Mixture Of Couplers Patents (Class 430/549)
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Patent number: 5597684Abstract: A silver halide color photographic light sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan coupler represented by formula (I). The photographic material may further contain a cyan coupler represented by formula (II) or (III).Type: GrantFiled: November 27, 1995Date of Patent: January 28, 1997Assignee: Konica CorporationInventors: Satoru Ikesu, Yutaka Kaneko
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Patent number: 5597679Abstract: A silver halide color photographic light-sensitive material is disclosed which comprises a support having thereon, in any order, at least one yellow generating light-sensitive silver halide emulsion layer, at least one magenta generating light-sensitive silver halide emulsion layer, and at least one cyan generating light-sensitive silver halide emulsion layer, wherein at least one of the magenta generating light-sensitive silver halide emulsion layer contains at least one dye-forming coupler represented by a specific formula (M-I), and at least one of the yellow generating light-sensitive silver halide emulsion layer contains at least one dye-forming coupler represented by a specific forrmula (Y-I). This material can be used, for example, as a material suitable for quick developing material.Type: GrantFiled: April 19, 1995Date of Patent: January 28, 1997Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasuhiro Yoshioka
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Patent number: 5591569Abstract: This invention provides a photographic process and element where the element comprises a support bearing a light-sensitive photographic silver halide layer containing (1) a bicyclic azole coupler, (2) an azopyrazolone masking coupler, and (3) an aromatic electron-rich compound having ring substituents for which the sum of the individual Hammett sigma-para values is more negative than -0.80.Type: GrantFiled: October 5, 1995Date of Patent: January 7, 1997Assignee: Eastman Kodak CompanyInventors: Daniel L. Kapp, Janet Younathan
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Patent number: 5538837Abstract: A silver halide color photographic light-sensitive material which causes less fluctuation in the photographic processing activity of a processing solution in continuously processing the light-sensitive material and which has less unevenness in processing and excellent color reproducibility and sharpness. The silver halide color photographic light-sensitive material comprises a support, and provided thereon at least one red-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one blue-sensitive emulsion layer, and containing a coupler represented by the following Formula (I) and a coupler represented by the following Formula (II):Formula (I)A.sub.1 -(TIME).sub.a -DIFormula (II)A.sub.2 -(TIME).sub.a -DIwherein A.sub.1 represents a group having an anti-diffusion group and releasing (TIME).sub.a -DI upon a reaction with an oxidation product of an aromatic primary amine developing agent; A.sub.2 represents a group having no anti-diffusion group and releasing (TIME).sub.Type: GrantFiled: October 14, 1994Date of Patent: July 23, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi
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Patent number: 5538842Abstract: There is disclosed a silver halide color photographic light-sensitive material which excels in a color reproduction and a light fastness at a low density part through a high density part and which is improved in a Y-stain at a background part. The silver halide color photographic light-sensitive material comprises a support and provided thereon at least one photographic constitutional layer, wherein at least one layer of the above photographic constitutional layers contains at least one of the compounds represented by the following Formula (I) and a compound represented by the following Formula (II) in the same layer: ##STR1## wherein R represents a hydrogen atom or a substituent; Z.sub.a, Z.sub.b, and Z.sub.c each represent any group of methine, substituted methine, .dbd.N--, or --NH--; Y represents a hydrogen atom or a group capable of splitting off upon a coupling reaction with an oxidation product of a developing agent; provided that a dimer or a polymer may be formed via R, Y, or Z.sub.a, Z.sub.b or Z.Type: GrantFiled: June 30, 1994Date of Patent: July 23, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Takehiko Sato
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Patent number: 5536629Abstract: The invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR1## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula II class cyan coupler comprising ##STR2## wherein R.sub.2 represents a substituent;R.sub.3 represents a substituent;X represents a hydrogen or a coupling-off group;m is from 1-3; anda Formula III class magenta coupler comprising ##STR3## wherein R.sub.4 is a substituent;R.sub.5 is a substituent;X is hydrogen or a coupling-off group;and which provides a relative fixed upper scale contrast between 1.1 and 1.8.An alternative form of the invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR4## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula IV class cyan coupler comprising ##STR5## wherein R.sub.Type: GrantFiled: October 31, 1995Date of Patent: July 16, 1996Assignee: Eastman Kodak CompanyInventors: Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz, Elizabeth L. Kelly
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Patent number: 5534399Abstract: A silver halide color photographic photosensitive material is disclosed, comprising a support having thereon at least one hydrophilic colloid layer, at least one layer of which is a photosensitive silver halide emulsion layer. At least 50% of the total projected area of the silver halide grains constituting the at least one silver halide emulsion layer is accounted for by tabular grains having an average aspect ratio of at least 2:1, and a yellow colored cyan coupler is contained in at least one hydrophilic colloid layer.Type: GrantFiled: October 25, 1994Date of Patent: July 9, 1996Assignee: Fuji Photo Film Co., Ltd.Inventor: Keiji Mihayashi
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Patent number: 5529894Abstract: Disclosed is a silver halide color photographic material which comprises a support having thereon at least one photosensitive silver halide emulsion layer, a pyrazoloazole based magenta coupler, and a coupler which contains a plurality of photographically useful groups or precursors thereof. The photograhically useful groups or precursors thereof are capable of being released when the coupler undergoes a coupling reaction with the oxidized product of a color developing agnet.Type: GrantFiled: March 9, 1994Date of Patent: June 25, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Atsuhiro Ohkawa
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Patent number: 5498513Abstract: A silver halide color photographic material comprising a support having thereon at least one photosensitive emulsion layer comprising a DIR coupler which is represented by general formula (I) below and a compound which is represented by general formula (R-1) below; ##STR1## wherein A represents a coupler residual group, n represents an integer of 0 or 1 with the proviso that when A represents a phenol type or naphthol type coupler residual group then n is 1, and when A represents some other coupler residual group then n is 0, and R represents an alkyl group which has from 1 to 4 carbon atoms or a pyridyl group;A-(L.sub.1).sub.v -B-(L.sub.2).sub.w -INH-HYD Formula (R-I)wherein A represents a group which reacts with the oxidized form of the developing agent and cleaves (L.sub.1).sub.v -B-(L.sub.2).sub.w -INH-HYD, L.sub.1 represents a group which cleaves the bond with B after cleavage of the bond with A, B represents a group which reacts with the oxidized form of a developing agent and cleaves (L.sub.2).sub.Type: GrantFiled: July 6, 1994Date of Patent: March 12, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Atsuhiro Ohkawa
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Patent number: 5496692Abstract: Silver halide color photographic light-sensitive material which comprises a support having thereon at least one silver halide emulsion layer containing a) an alkoxybenzoylacetanilide DIR coupler having bonded to the coupling active position a group which provides a compound having a development inhibiting property when the group is released from the coupler active position upon the color development reaction, wherein said group is a 4,7-dihalogen-2-benzotriazolyl group and b) an alkoxybenzoylacetanilide yellow dye forming coupler having a 3-hydantoinyl leaving group bonded to the coupling active position to provide, upon exposure and development, color images of improved image sensitivity.Type: GrantFiled: November 14, 1994Date of Patent: March 5, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Massimo Bertoldi, Vinicio Busatto
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Patent number: 5491053Abstract: The invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR1## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula II class cyan coupler comprising ##STR2## wherein R.sub.2 represents a substituent;R.sub.3 represents a substituent;X represents a hydrogen or a coupling-off group;m is from 1-3; anda Formula III class magenta coupler comprising ##STR3## wherein R.sub.4 is a substituent;R.sub.5 is a substituent;X is hydrogen or a coupling-off group;and which provides a relative fixed upper scale contrast between 1.1 and 1.8.An alternative form of the invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR4## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula IV class cyan coupler comprising ##STR5## wherein R.sub.Type: GrantFiled: December 23, 1994Date of Patent: February 13, 1996Assignee: Eastman Kodak CompanyInventors: Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz, Elizabeth L. Kelly
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Patent number: 5482821Abstract: The invention provides a photographic process and element where the element comprises a light sensitive silver halide layer containing (1) an image dye-forming bicyclic azole coupler having bonded to the coupling site a group other than hydrogen which is clearable during the development process; (2) an azopyrazolone masking coupler; and (3) a stabilizing coupler having bonded to the coupling site only hydrogen atoms and/or carbon atoms which are not cleavable to permit dye formation during development.Type: GrantFiled: September 30, 1993Date of Patent: January 9, 1996Assignee: Eastman Kodak CompanyInventors: Daniel L. Kapp, Janet N. Younathan
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Patent number: 5474886Abstract: A silver halide color photographic material is disclosed which comprises a support having thereon at least one light-sensitive silver halide emulsion layer. The silver halide color photographic material contains a developing solution-deactivated type timing DIR which forms either a nondiffusing dye or a dye dissolved out from the light-sensitive material during development and an acylacetamide type coupler having a specific acyl group and/or an N,N-substituted linear or cyclic malondiamide type coupler.Type: GrantFiled: December 28, 1993Date of Patent: December 12, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyoshi Nakazyo, Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi
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Patent number: 5462844Abstract: A light-sensitive silver halide color photographic material suited for preparing a color proofing image is provided, comprising a support and provided thereon a yellow image forming silver halide emulsion layer, a magenta image forming silver halide emulsion layer and a cyan image forming silver halide emulsion layer, wherein a silver halide emulsion with a spectral sensitivity having a part common to the respective spectral sensitivity regions pertaining to said yellow, magenta and cyan image forming silver halide emulsion layers is contained in at least one of the image forming silver halide emulsion layers; and the magenta image forming silver halide emulsion layer contains a compound represented by the following formula and a yellow dye forming coupler.Type: GrantFiled: March 29, 1995Date of Patent: October 31, 1995Assignee: Konica CorporationInventor: Yasuo Tosaka
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Patent number: 5462842Abstract: The invention provides a photographic element and process of forming an image where the element is a multicolor photographic element comprising at least one light sensitive photographic silver halide emulsion layer sensitive to blue light and containing a yellow image dye-forming coupler, at least one light sensitive photographic silver halide emulsion layer sensitive to green light: and containing a magenta image dye-forming coupler, and at least one light sensitive photographic silver halide emulsion layer sensitive to red light and containing a cyan dye-forming coupler,wherein the yellow image dye-forming coupler has the formula I: ##STR1## wherein t-Bu is a tertiary butyl group, Ph is an unsubstituted phenyl ring or one containing up to 5 substituents, and Y is a heterocyclic ring, substituted or non, which is capable of leaving upon reaction if the coupler with oxidized developer; andwherein said at least one light sensitive photographic silver halide emulsion layer sensitive to blue light and containingType: GrantFiled: January 12, 1994Date of Patent: October 31, 1995Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., Larry D. Edwards, Richard E. Hibbs
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Patent number: 5459022Abstract: A silver halide color photographic material comprises a support having thereon at least one silver halide emulsion layer, a yellow-colored cyan coupler, and a compound capable of releasing a bleaching accelerator or a precursor thereof on reaction with an oxidation product of an aromatic primary amine developing agent.Type: GrantFiled: November 12, 1993Date of Patent: October 17, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Ishii, Yoshihiro Fujita, Keiji Mihayashi
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Patent number: 5457004Abstract: The invention provides a photographic element comprising a substrate bearing a photographic silver halide emulsion layer having associated therewith a high dye-yield coupler having the formula: ##STR1## wherein: COUP is a photographic coupler residue capable of coupling with oxidized color developer to form a first dye;T is a timing group;m is an integer from 0 to 2;L is a linking group selected from the group consisting of --OC(.dbd.O)--, --OC(.dbd.S)--, --SC(.dbd.O)--, --SC(.dbd.S)--, and --OC(.dbd.NSO.sub.2 R) where R is substituted or unsubstituted alkyl or aryl; andDYE is a releasable second dye or dye precursor having a particular formula including a methine dye chromophore.Type: GrantFiled: May 27, 1994Date of Patent: October 10, 1995Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, James J. Seifert, David Hoke, Zheng Z. Wu, David T. Southby, Frank D. Coms
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Patent number: 5449592Abstract: A silver halide color photographic light-sensitive material for making a color proof and a method for making the color proof using the light-sensitive material. Halftone color proofs having a similar color tone of small dots and large dots can be obtained by the light-sensitive material and the method using it. The silver halide color photographic light-sensitive material comprises a yellow image forming light-sensitive layers, a magenta image foming light-sensitive layer and a cyan image forming light-sensitive layer which are different from each other in spectral sensitivity, and the magenta image forming layer contains a magenta coupler and an yellow coupler.Type: GrantFiled: July 14, 1994Date of Patent: September 12, 1995Assignee: Konica CorporationInventors: Tomomi Yoshizawa, Keiji Ogi, Nariko Kimura, Shigeto Hirabayashi
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Patent number: 5447819Abstract: The invention provides a photographic element comprising a support bearing a photographic silver halide emulsion layer having associated therewith a high dye-yield coupler having the formula:COUP--(T).sub.m --L--DYEwhere COUP is the parent group of the coupler capable of reacting at the coupling position with oxidized color developer to form a first dye, T is one or more timing groups with m=1 or 2, L is a linking group selected from the group consisting of --OC(O)--, --OC(S)--, --SC(O)--, --SC(S)--, or --OC(.dbd.N SO.sub.2 R)--, where R is substituted or unsubstituted alkyl or aryl, and DYE is a second dye or precursor thereof, wherein there is present at least one T group that contains a substituent having the formula:--(LINK).sub.p --A--B--(C--D).sub.nwherein:LINK is an alkylene group capable of linking the above group to the group T, where p=0 or 1;A is a member selected from the group consisting of --NHCO--, --N(R')C(O)N(R--)--, --CONH--, --NR'SO.sub.2 --, --SO.sub.2 NR'--, and --OPO.sub.Type: GrantFiled: May 27, 1994Date of Patent: September 5, 1995Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, James J. Seifert, David Hoke, Zheng Z. Wu, David T. Southby, Frank D. Coms
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Patent number: 5403703Abstract: A silver halide color photographic light-sensitive material has at least one light-sensitive silver halide emulsion layer on a support, contains a pyrazoloazole-based coupler, and further contains a compound represented by Formula (I) and/or Formula (II) below:Formula (I) A--(L.sub.1).sub.j --(L.sub.2).sub.m --[(L.sub.3).sub.n --PUG].sub.sFormula (II) A--L.sub.4 --L.sub.5 --PUGwhere A represents a coupler moiety or an oxidation-reduction group, each of L.sub.1 and L.sub.3 represents a divalent timing group, L.sub.2 represents a timing group with a valency of 3 or more and does not use electron transfer via a conjugated system, L.sub.4 represents a coupling group such as --OCO--, L.sub.5 represents a group for releasing PUG by electron transfer along a conjugated system or L.sub.4, PUG represents a photographically useful group, each of j and n independently represents 0, 1, or 2, m represents 1 or 2, and s represents a number obtained by subtracting 1 from a valence number of L.sub.Type: GrantFiled: August 13, 1992Date of Patent: April 4, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Atsuhiro Ohkawa
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Patent number: 5399472Abstract: A silver halide emulsion is disclosed including a blend of a first image dye-forming coupler which does not intrinsically inhibit development of silver halide, and a second image dye-forming coupler which intrinsically inhibits development of silver halide. The intrinsically development inhibiting couplers are defined empirically versus a standard coupler. For purposes of this invention DIR couplers are not considered intrinsically development inhibiting couplers. Photographic elements and methods for developing images using the coupler blends are also disclosed.Type: GrantFiled: April 16, 1992Date of Patent: March 21, 1995Assignee: Eastman Kodak CompanyInventors: Jeffrey L. Hall, Richard Szajewski
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Patent number: 5389504Abstract: A photographic element including a support and first and second green-sensitive silver halide emulsion layers of different sensitivity, wherein the layer of higher sensitivity includes a two-equivalent magenta dye-forming coupler selected from the group consisting of a pyrazolone coupler having a structure according to formula I and a pyrazoloazole coupler having a structure according to formula II as set forth in the disclosure, and the layer of lower sensitivity includes a two-equivalent magenta dye-forming coupler selected from the group consisting of couplers defined by formulas I and II. The activity of the magenta dye-forming coupler present in the layer of lower sensitivity is less than the activity of the coupler present in the layer of higher sensitivity. The layers of higher and lower sensitivity do not comprise magenta couplers which are defined by the same formula.Type: GrantFiled: June 24, 1993Date of Patent: February 14, 1995Assignee: Eastman Kodak CompanyInventors: Hans G. Ling, Drake M. Michno, Stephen Singer
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Patent number: 5385814Abstract: A silver halide color photographic light-sensitive material having blue-, green-, and red-sensitive silver halide emulsion layers contains a pyrazoloazole-type compound which releases a development inhibitor in at least one layer and contains an acylacetamide-type yellow coupler having a novel acyl group in at least one layer.Type: GrantFiled: November 27, 1992Date of Patent: January 31, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Minoru Uchida, Toshio Kawagishi, Yasuhiro Yoshioka
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Patent number: 5378596Abstract: A silver halide color photographic material comprises a support having provided thereon at least one silver halide emulsion layer containing at least one pyrrolotriazole cyan coupler represented by the following Formula (I) or (II) and at least one phenol or 1-naphtol cyan coupler represented by the following Formulas (III), (IV), (V) and (VI): ##STR1## wherein Za and Zb each represents --C(R.sub.3).dbd. or --N.dbd.; R.sub.1 and R.sub.2 each independently represents an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.Type: GrantFiled: November 27, 1992Date of Patent: January 3, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Hideaki Naruse, Makoto Suzuki
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Patent number: 5376513Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the light-sensitive material contains a yellow colored cyan coupler and an acylacetamide yellow dye forming coupler having an acyl moiety represented by the general formula (A): ##STR1## wherein R.sub.1 represents a univalent group, Q represents a group of non-metal atoms required to form, together with C, a three to five membered hydrocarbon ring or a three to five membered heterocyclic ring which has within the ring at least one hetero atom selected from among N, O, S and P, with the proviso that R.sub.1 is not a hydrogen atom and it does not join with Q to form a ring.Type: GrantFiled: November 9, 1993Date of Patent: December 27, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Keiji Mihayashi
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Patent number: 5376515Abstract: A silver halide color photographic light-sensitive material has, on a support, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, and at least two red-sensitive silver emulsion layers containing a cyan coupler and having different sensitivities. The highest sensitivity layer of the red-sensitive silver halide emulsion layers contains a yellow coupler, and a red-sensitive emulsion layer having a lower sensitivity contains a yellow-colored cyan coupler.Type: GrantFiled: June 17, 1993Date of Patent: December 27, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yuji Kume
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Patent number: 5370979Abstract: A silver halide color photographic light-sensitive material has, on a support, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, and at least two red-sensitive silver emulsion layers containing a cyan coupler and having different sensitivities. The highest sensitivity layer of the red-sensitive silver halide emulsion layers contains a magenta coupler, and a red-sensitive emulsion layer having a lower sensitivity contains a magenta colored cyan coupler.Type: GrantFiled: May 18, 1993Date of Patent: December 6, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yuji Kume
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Patent number: 5364753Abstract: There is provided a silver halide color photographic light-sensitive material improved in sensitivity, color reproduction and image lasting quality.Type: GrantFiled: September 9, 1992Date of Patent: November 15, 1994Assignee: Konica CorporationInventors: Katsumasa Yamazaki, Shuichi Sugita, Shigeto Hirabayashi
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Patent number: 5364745Abstract: A photographic element including a support bearing a silver halide photographic emulsion, at least one color-forming coupler and a masking coupler, wherein said masking coupler is represented by the formula A:COUP--LINK--DYE (A)wherein COUP is a coupler moiety;LINK is any group releasable or cleavable from COUP by coupling with an oxidized developing agent during photographic processing; and DYE is an azoaniline dye and preferably an azoaniline dye blocked at the nitrogen-inclusive auxochromic site.Type: GrantFiled: December 19, 1991Date of Patent: November 15, 1994Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, Stephen P. Singer, James J. Seifert, Robert J. Ross, Daniel L. Kapp
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Patent number: 5364747Abstract: The invention is accomplished by forming balanced cyan, magenta, and yellow coupler and emulsion mixes. There is at least one layer in which silver halide emulsion has been sensitized to blue light or silver halide emulsion sensitive to green light. Regardless of the color sensitivity of the silver halide layer that contains silver contains a mix of cyan, magenta, and yellow dye-forming couplers. Further, in order to have a black-and-white image that has a lightness such as observed by the human eye in a scene, it is preferred that the ratios of red sensitive emulsion to green sensitive emulsion to blue sensitive emulsion in the photographic element is about 2:3:1.Type: GrantFiled: November 25, 1992Date of Patent: November 15, 1994Assignee: Eastman Kodak CompanyInventors: James L. Edwards, Paul T. Hahm, Joseph E. LaBarca
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Patent number: 5362616Abstract: The invention is accomplished by forming balanced cyan, magenta, and yellow coupler and emulsion mixes. There is at least one layer in which silver halide emulsion has been sensitized to blue light or silver halide emulsion sensitive to green light. Regardless of the color sensitivity of the silver halide layer that contains silver contains a mix of cyan, magenta, and yellow dye-forming couplers. Further, in order to have a black-and-white image that has a lightness such as observed by the human eye in a scene, it is preferred that the ratios of red sensitive emulsion to green sensitive emulsion to blue sensitive emulsion in the photographic element is about 2:3:1.Type: GrantFiled: November 25, 1992Date of Patent: November 8, 1994Assignee: Eastman Kodak CompanyInventors: James L. Edwards, Paul T. Hahm, Mitchell J. Bogdanowicz, Joseph E. LaBarca
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Patent number: 5336591Abstract: A silver halide color photographic material comprising a support having thereon at least one blue-sensitive silver halide emulsion layer, wherein said blue-sensitive silver halide emulsion layer contains at least one yellow dye forming coupler represented by the following general formula (1) or (2), and at least one yellow dye forming coupler represented by the following general formula (F): ##STR1## wherein X.sub.1 and X.sub.2 each represents an alkyl group, an aryl group or a heterocyclic group; X.sub.3 represents an organic residue which forms a nitrogen-containing heterocyclic group together with >N--; Y represents an aryl group or a heterocyclic group; and Z represents a group which is capable of being released when the coupler of general formula (1) or (2) reacts with an oxidation product of a developing agent; ##STR2## wherein R.sub.20 represents a tertiary alkyl group; R.sub.21 represents a hydrogen atom, a halogen atom, an alkoxy group, an aryloxy group, an alkyl group or a dialkylamino group; R.Type: GrantFiled: March 4, 1992Date of Patent: August 9, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Mitsuru Yamamoto, Akira Ogawa
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Patent number: 5332656Abstract: Silver halide color photographic light-sensitive material which comprises a support having thereon at least one silver halide emulsion layer containing a) a diacylaminomethylene yellow dye forming coupler having bonded to the coupling active position a group which provides a compound having a development inhibiting property when the group is released from the coupler active position upon the color development reaction, wherein said group is a 4,7-dihalogen-2-benzotriazolyl group and b) an alkoxybenzoyl acetanilide yellow dye forming coupler having a 3-hydantoinyl leaving group bonded to the coupling active position.Type: GrantFiled: March 22, 1993Date of Patent: July 26, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Massimo Bertoldi, Vinicio Busatto
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Patent number: 5306609Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide color photographic material comprises i) a nondiffusive coupler represented by the general formula (I) or (II): ##STR1## and ii) an acyl acetamide coupler comprising, as an acyl group, a group represented by the general formula (A) ##STR2## The silver halide color photographic material provides a high color density and exhibits a small fluctuation of photographic performance during preservation thereof and improved color image fastness and color reproducibility.Type: GrantFiled: March 6, 1992Date of Patent: April 26, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Takayoshi Kamio
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Patent number: 5306603Abstract: A light-sensitive material having high light-sensitivity and high contrast and excelling in color reproduction at all light-exposed regions, yellow-image sharpness, magenta-image sharpness, and cyan-image sharpness, and having its sensitivity little deteriorated during storage. The material comprises at least one light-sensitive, silver halide emulsion layer on a support, and contains at least one specified compound which releases a photographically useful group, and a yellow-colored cyan coupler.Type: GrantFiled: June 3, 1992Date of Patent: April 26, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Atsuhiro Ohkawa
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Patent number: 5300412Abstract: The present invention relates to a silver halide color photographic material having at least one light-sensitive silver halide emulsion layer or light-insensitive layer on a support, wherein the light-sensitive silver halide emulsion layer or a light-insensitive layer contains a yellow coupler selected from the group consisting of a yellow coupler represented by the following formula (I), a yellow coupler represented by the following formula (II) and combinations thereof, and a cyan coupler selected from the group consisting of a phenolic cyan coupler having a phenylureido group at the 2-position and a carbonamido group at the 5-position, a naphtholic cyan coupler having an amino group at the 5-position and combinations thereof; ##STR1## wherein X.sub.1 and X.sub.2 each represents an alkyl group, an aryl group, or a heterocyclic group; X.sub.Type: GrantFiled: February 28, 1992Date of Patent: April 5, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Naoki Saito
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Patent number: 5300406Abstract: A color photographic element comprises a support bearing at least one photographic silver halide emulsion layer, an image dye-forming coupler, and a combination of a development inhibitor releasing coupler and a wash-out coupler, the washout coupler (A)(i) capable of forming a compound that is washed out of the photographic element upon processing and(ii) capable of releasing a bleach accelerator group, and(iii) is represented by the formula:(SOL).sub.x --COUP--(R.sup.1).sub.y --(R.sup.2).sub.z --BLEACHThe development inhibitor releasing coupler is selected from a timed and non-timed development inhibitor releasing coupler.Type: GrantFiled: June 29, 1992Date of Patent: April 5, 1994Assignee: Eastman Kodak CompanyInventors: William J. Begley, Stephen P. Singer, David T. Southby, Donald, Jr. Singleton
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Patent number: 5294524Abstract: There is disclosed a silver halide color photographic material which comprises in a blue-sensitive silver halide emulsion layer acylacetamide yellow dye-forming couplers represented by the following formula (I) and in a red-sensitive silver halide emulsion layer cyan dye-forming couplers represented by the following formula (II) or (III): ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having therein at least one heteroatom selected from a group consisting of N, O, S, and P, and Y.sub.R represents a residue remaining after removing the acyl group from the acylacetamide yellow dye-forming coupler, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring, ##STR2## wherein R.sup.1 represents --CONR.sup.4 R.sup.5, --SO.sub.2 NR.sup.4 R.sup.5, --NHCOR.sup.Type: GrantFiled: March 11, 1992Date of Patent: March 15, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Ishii, Yasuhiro Yoshioka, Hidetoshi Kobayashi
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Patent number: 5288594Abstract: A combination of a development inhibitor releasing coupler having a particular releasable mercaptotetrazole group; a concentration within the range of 2.5 to 25 mg/m.sup.2, that does not accelerate bleaching of the element upon exposure and processing, of a dye-forming naphtholic or acetanilide coupler comprising a coupling-off group represented by the formula ##STR1## as described in the specification, with a particular alkoxy-benzoyl yellow dye-forming coupler also as described in the specification in a photographic silver halide element and process enables improved dye images upon exposure and processing.Type: GrantFiled: March 26, 1993Date of Patent: February 22, 1994Assignee: Eastman Kodak CompanyInventors: Joseph W. Manthey, David M. Niklewicz, Richard P. Szajewski
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Patent number: 5286613Abstract: A color photographic element comprising a support bearing at least one photographic silver halide emulsion layer and a combination of at least two couplers (A) and (B), coupler (A) capable upon reaction with oxidized developer of forming a compound that is washed out of the photographic element during photographic processing and capable of releasing a photographic development inhibitor or a timing group having a photographic development inhibitor, the timing group capable of providing timed release of said photographic development inhibitor and coupler (B) capable upon reaction with oxidized developer of forming a compound that is not washed out of the photographic element during photographic processing and capable of releasing a photographic development inhibitor with or without time delay. Such a color photographic material enables formation of improved color images.Type: GrantFiled: June 24, 1992Date of Patent: February 15, 1994Assignee: Eastman Kodak CompanyInventors: William J. Begley, Hans G. Ling, Drake M. Michno
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Patent number: 5266456Abstract: Disclosed is a silver halide color photographic material containing a silver halide emulsion having a high silver iodide content and containing a novel yellow colored cyan coupler. The material has a high sensitivity, a good graininess, an excellent color reproducibility and a sufficient sharpness. The material has at least one light-sensitive emulsion layer on a support and is characterized in that it contains at least one yellow colored cyan coupler, that the emulsion layer contains chemically sensitized silver halide grains, and that the chemically sensitized silver halide grain in the emulsion has a silver iodobromide phase with a silver iodide content of from 15 to 45 mol % as a distinctly layered structure and has a silver iodide content of more than 7 mol % based on the whole grain.Type: GrantFiled: March 26, 1991Date of Patent: November 30, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Takayoshi Kamio
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Patent number: 5262291Abstract: There are described color photographic elements containing novel release compounds which rapidly release a photographically useful group, such as a development inhibitor, from a timing group.Type: GrantFiled: July 30, 1992Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: Wojciech Slusarek, Daniel L. Kapp
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Patent number: 5262286Abstract: The invention is generally accomplished by providing a reflection print material having thereon sensitized silver halide containing layers and at least one layer comprising at least one insoluble colored tint, wherein said at least one tint changes the color of said material to be less yellow. In a preferred form, it has been found that a combination of two tints is preferred to provide ready adjustment of the tinting to match the yellowing characteristics of the print material.Type: GrantFiled: July 31, 1992Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: John F. Bacilek, Gary J. McSweeney
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Patent number: 5262284Abstract: A photographic element including a support bearing a silver halide photographic emulsion and an image dye-forming coupler, wherein the image dye-forming coupler includes a ballasted arylidene pyrazolone which is also a filter dye that upon exposure and processing of the element is destroyed in both exposed and unexposed areas of said element or a masking coupler that upon exposure and processing is destroyed only in exposed areas of the element. The arylidene pyrazolone compound includes an oxygen-inclusive electron donating group in conjugation with the arylidene function, preferably positioned para to the arylidene function.Type: GrantFiled: July 15, 1991Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Danny R. Thompson, Stephen P. Singer
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Patent number: 5262288Abstract: A silver halide color photographic photosensitive material comprises a support, having thereon at least one silver halide emulsion layer, wherein a coupler represented by formula (I) shown below is included in at least one layer of the photosensitive material, and a coupler represented by formula (M) shown below is included in at least one layer of the photosensitive material: ##STR1## wherein R.sub.1 represents an aryl group having substituents the sum of whose Hammett's rule substituent .sigma. constants is at least 0.2, and R.sub.2 represents an aryl group having substituents the sum of whose Hammett's rule substituent .sigma. constants is at least 0.75; ##STR2## wherein R.sub.Type: GrantFiled: July 17, 1991Date of Patent: November 16, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Kei Sakanoue, Yuki Mizukawa
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Patent number: 5250398Abstract: A photographic silver halide material and process comprises at least one image dye-forming coupler and at least one coupler (A) represented by the formula SOL-COUP-LINK-PUG wherein SOL is a water solubilizing amide group, COUP is a naphtholic coupler moiety that, upon reaction with oxidized developer is capable of releasing LINK-PUG and capable of forming a compound that is washed out of the photographic material during photographic processing; LINK-PUG is in turn capable of releasing a photographically useful group (PUG) during photographic processing; and wherein LINK is a carbamate linking group comprising a photographic ballast group on the nitrogen atom of the carbamate group. Such a photographic silver halide material enables formation of improved images.Type: GrantFiled: June 28, 1991Date of Patent: October 5, 1993Assignee: Eastman Kodak CompanyInventors: William J. Begley, Teh-hsuan Chen
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Patent number: 5219719Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitve material comprises a support having thereon a hydrophilic colloid containing a compound represented by the following Formula I as a colored coupler, ##STR1## wherein R.sup.1 is a substituent; R.sup.3 is a halogen atom or an alkoxy group; R.sup.2 is an acylamino group, a sulfonamido group, an imido group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group or an alkoxycarboxyamido group; m is an integer of 0 to 5 and n is an integer of 0 to 4. The light-sensitive material has a good color reproducibility caused by the masking effect of the colored coupler with less lossing in the speed.Type: GrantFiled: May 2, 1991Date of Patent: June 15, 1993Assignee: Konica CorporationInventor: Shuji Kida
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Silver halide photographic photosensitive material containing two types of cyan dye forming couplers
Patent number: 5210011Abstract: A silver halide color photographic photosensitive material comprising a support having thereon a at least one silver halide emulsion layer, wherein at least one cyan dye forming coupler represented by the formula (I) indicated below ##STR1## wherein all the symbols are defined in the specification and at least one cyan dye forming coupler which can be represented by the formula (C) indicated below ##STR2## wherein all the symbols are defined in the specification are present in a layer on said support.Type: GrantFiled: December 11, 1990Date of Patent: May 11, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Jiro Tsukahara, Hidetoshi Kobayashi -
Patent number: 5204232Abstract: Disclosed is a light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, characterized in that at least one layer of the above silver halide emulsion layers contains a compound represented by the following formula (I): ##STR1## wherein n represents 0 or 1; A represents a compound residue which cleaves a bonding to Time in the case of n=1 or a compound residue which cleaves one of bondings to FL in the case of n=0; Time represents a timing group which cleaves a bonding to FL after cleavage from A; and FL represents a compound residue which emits fluorescence by cleavage of a bonding to Time in the case of n=1 and a compound residue which emits fluorescence by cleavage of one of bondings to A in the case of n=0.Type: GrantFiled: March 11, 1991Date of Patent: April 20, 1993Assignee: Konica CorporationInventors: Hirokazu Sato, Shigeo Tanaka, Satoru Ikesu
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Patent number: RE34697Abstract: A silver halide light-sensitive material having a support and at least one silver halide emulsion is provided. The silver halide emulsion layer contains in combination at least one cyan coupler of Formula (I) and at least one cyan coupler of Formula (II).Type: GrantFiled: May 29, 1990Date of Patent: August 16, 1994Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shun Takada, Kaoru Onodera, Takashi Kadowaki