Polymeric Or Bis Coupler Patents (Class 430/548)
-
Patent number: 6220925Abstract: A silver halide color photographic light-sensitive material comprising a support having provided thereon at least one hydrophilic colloid layer, wherein the silver halide color photographic light-sensitive material contains a coupler represented by the formula (1) shown below and a non-color forming colorless cyclic imide compound having a diffusion-resistant group: wherein R1 and R2 each represents an alkyl group or an aryl group; R3, R4 and R5 each represents a hydrogen atom, an alkyl group or an aryl group; Z represents a non-metallic atomic group necessary to form a saturated ring; R6 represents a substituent; X represents a heterocyclic group, a substituted amino group or an aryl group and Y represents a hydrogen atom or a group capable of being released upon color development. The silver halide color photographic light-sensitive material has an excellent color forming property to provide a color image of high maximum color density and good color reproducibility.Type: GrantFiled: June 2, 1998Date of Patent: April 24, 2001Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoki Saito, Hisashi Mikoshiba, Masakazu Morigaki, Shin Soejima, Yasuhiro Yoshioka, Osamu Takahashi
-
Patent number: 6132945Abstract: A silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a coupler represented by formula (1) shown below and a non-color forming colorless carboxylic acid compound having a diffusion-resistant group or a salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group or an aryl group; R.sup.3, and R.sup.4 and R.sup.5 each represents a hydrogen atom, an alkyl group or an aryl group; Z represents a non-metallic atomic group necessary to form a saturated ring; R.sup.6 represents a substituent; X represents a heterocyclic group, a substituted amino group or an aryl group and Y represents a hydrogen atom or a group capable of being released upon color development.The silver halide color photographic material has an excellent color forming property to provide a color image of high maximum color density and good color reproducibility.Type: GrantFiled: February 5, 1998Date of Patent: October 17, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoki Saito, Masakazu Morigaki, Yasuhiro Yoshioka, Shin Soejima, Osamu Takahashi, Hisashi Mikoshiba
-
Patent number: 6127107Abstract: A photographic recording material for use in redox amplification comprises a support having thereon a plurality of emulsion layers, each emulsion layer containing a color-forming coupler, and wherein the activity of the couplers is from 45 to 70% as measured by the citrazinic acid method. These materials may be developed by a redox development step which may be followed by a bleach-fix step without any intervening step. Staining is eliminated with the use of these photographic materials.Type: GrantFiled: February 2, 2000Date of Patent: October 3, 2000Assignee: Eastman Kodak CompanyInventors: Adrian J. Codling, John R. Fyson
-
Patent number: 6074809Abstract: A color photographic silver halide material having a support, at least one photosensitive silver halide emulsion layer and a polymeric cyan coupler associated with the photosensitive silver halide emulsion layer, which coupler contains polymerised units of the formula (I) ##STR1## in which X means a hydrogen atom or a group eliminable under chromogenic development conditions,R.sub.1 means a hydrogen or halogen atom, an optionally substituted alkyl, aryl or acylamino group,R.sub.2 means an optionally substituted alkyl, aryl or heterocyclic group andn means a number from 0 to 3, is distinguished by improved stability of the cyan dye.Type: GrantFiled: December 9, 1998Date of Patent: June 13, 2000Assignee: Agfa-Gevaert N.V.Inventors: Lydia Simon, Gunter Helling, Beate Weber
-
Patent number: 5994047Abstract: A silver halide color photosensitive material comprising at least one polymer coupler, the polymer coupler being a copolymer prepared from at least one yellow coupler monomer and at least one magenta coupler monomer, and additionally, if desired, at least one non-color-forming monomer having at least one ethylene group, which has no capability to couple with an oxidized product of an aromatic primary amine developing agent. Further, a color filter produced from the above described color photosensitive material and a production method thereof are disclosed.Type: GrantFiled: November 8, 1996Date of Patent: November 30, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Yuki Mizukawa, Tatsuya Igarashi, Hiroyuki Hirai
-
Patent number: 5972586Abstract: A silver halide color photosensitive material suitable for production of a color filter which comprises a polymer coupler comprising at least a yellow coupler monomer and a cyan coupler monomer. The photosensitive material provides a green image having excellent spectral transmission characteristics and fastness to heat and light.Type: GrantFiled: March 20, 1998Date of Patent: October 26, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Yuki Mizukawa, Tatsuya Igarashi, Hiroyuki Hirai
-
Patent number: 5932404Abstract: The present invention is a silver halide photographic material including at least one layer which contains; a polymer comprising as constituent components thereof a repeating unit having a photographically useful group and at least one repeating unit having an imidazole group; and a compound having at least one functional group which reacts with an imidazole group and at least one other functional group capable of reacting with an imidazole group and a primary amine group, the amount of the compound being sufficient to insure adequate fixation of said polymer.Type: GrantFiled: December 18, 1996Date of Patent: August 3, 1999Assignee: Eastman Kodak CompanyInventors: Tienteh Chen, Hwei-ling Yau, Dorothy T. Java
-
Patent number: 5726004Abstract: A photographic material having at least one photosensitive silver halide emulsion layer and at least one non-photosensitive layer on a support, which material contains at least one compound of the formula (I) in at least one of the layers, ##STR1## in which R.sub.1 to R.sub.5, L, m and n have the meaning stated in the specification and PUG means a photographically active group, may be produced in thinner layers.Type: GrantFiled: September 18, 1996Date of Patent: March 10, 1998Assignee: Agfa-GevaertInventors: Beate Weber, Jorg Hagemann
-
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
-
Patent number: 5518877Abstract: Improved photographic properties are obtained if the photographic silver halide material contains a copolymer with polypeptide segments, wherein the polypeptide segments are derived from polypeptides with an average molecular weight M.sub.w of 2000 to 40000.Type: GrantFiled: January 27, 1995Date of Patent: May 21, 1996Assignee: Agfa-Gevaert AGInventors: Gunter Helling, Klaus Wagner
-
Patent number: 5476759Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer is disclosed, wherein said light-sensitive material contains a DIR coupler represented by formula (I): ##STR1## wherein A represents a coupler residue; R represents an alkyl group having from 1 to 4 carbon atoms or a pyridyl group; and n represents 1 when A represents a phenol type or naphthol type coupler residue, or n represents 0 when A represents other coupler residues, and said emulsion layer contains chemically sensitized silver halide grains which individually have a distinct layer comprising silver iodobromide containing from 7 to 45 mol % of silver iodide and which individually have an overall silver iodide content of more than 4 mol %.Type: GrantFiled: July 28, 1993Date of Patent: December 19, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi, Naoki Saito, Masuji Motoki
-
Patent number: 5459020Abstract: Silver halide color photographic materials are described in which anti-fading agents and anti-staining agents are included in silver halide emulsion layers which contain pyrazoloazole-based couplers which have been established by coating on a reflective supports, the base material of which is covered with a composition in which a white pigment has been admixed with, and dispersed in, a resin of which polyester forms the principal component.Type: GrantFiled: December 9, 1993Date of Patent: October 17, 1995Assignee: Fuji Photo Film Co., Ltd.Inventor: Takehiko Sato
-
Patent number: 5455147Abstract: Color photographic materials comprise a support bearing a silver halide emulsion and at least one water-dispersible polymeric coupler. The polymeric coupler is formed by polymerization of a mixture of at least one ethylenically unsaturated coupler monomer containing a dye-forming coupler moiety and at least one ionic monomer containing an ionizable functional group, in a water-miscible organic solvent. The polymeric coupler contains less than 10 weight percent of the ionic monomer.Type: GrantFiled: June 21, 1994Date of Patent: October 3, 1995Assignee: Eastman Kodak CompanyInventors: Tien-Teh Chen, Stanley W. Cowan, Edward Schofield, Ping-Wah Tang
-
Patent number: 5447833Abstract: A silver halide photographic material having on a support at least one silver halide emulsion layer, which contains at least one precursor of the kind which releases at least two groups selected from the group consisting of a photographically useful group and a precursor thereof via a timing group, wherein plural photographically useful groups or precursors thereof are present on different constituent atoms of said timing group, provided that when the plural photographically useful groups have different functions, the timing group is a group which does not utilize an intramolecular nucleophilic substitution reaction.Type: GrantFiled: April 28, 1994Date of Patent: September 5, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Masuji Motoki, Atsuhiro Ohkawa, Keiji Mihayashi
-
Patent number: 5441857Abstract: Color photographic silver halide material of the negative type, in which at least one silver halide emulsion layer contains a compound of the formulaA-B-(T.sub.1).sub.m -(COUP-D)-(T.sub.2).sub.n (I),whereinA represents a ballast group,B represents the radical of a compound which reacts to release (T.sub.1).sub.m -(COUP-D)-(T.sub.2).sub.n during development,T.sub.1 and T.sub.2 represent time-regulating units which can be released during development,m, n are 0 or 1,COUP represents the radical from a 4-equivalent coupler andD represents a group with an affinity for silver,distinguished by improved sensitivity.Type: GrantFiled: October 27, 1994Date of Patent: August 15, 1995Assignee: Agfa Gevaert AGInventors: Heinrich Odenwalder, Peter Bell, Johannes Willsau
-
Patent number: 5415985Abstract: Disclosed is a silver halide color photographic material which contains at least one pyrroloazole compound as cyan coupler and has a layer structure in which a cyan coupler-containing silver halide emulsion layer is disposed in the position nearer to a support than at least either a magenta coupler-containing silver halide emulsion layer or a yellow coupler-containing silver halide emulsion layer, whereby ensuring excellent color reproducibility and high fastness in color images.Type: GrantFiled: April 27, 1993Date of Patent: May 16, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Hidekazu Sakai, Yasuhiro Shimada
-
Patent number: 5385815Abstract: A photographic element comprising a UV absorbing polymer latex which is loaded with a non-polymeric UV absorbing compound. The polymer is a homopolymer or heteropolymer comprising monomeric units containing a 2-hydroxybenzotriazole. The benzotriazole preferably is of the formula I: ##STR1## wherein: the phenyl ring and benzo ring are optionally additionally substituted; and one of m and n is 1, and M and N have the formula: ##STR2## wherein R3 is H or an alkyl group; L is a bivalent linking group; and p is 0 or 1. The elements may additionally have a polmer present (which is preferably different from the UV absorbing polymer) which has a glass transition temperature (T.sub.g) of less than 5.degree. C.Type: GrantFiled: December 29, 1993Date of Patent: January 31, 1995Assignee: Eastman Kodak CompanyInventors: Edward Schofield, Richard P. Szajewski
-
Patent number: 5384235Abstract: A photographic element with particular polymeric ultraviolet absorbers. The ultraviolet absorbers have repeating units of the formula: ##STR1## wherein: X is O or NH;Y is H or halogen;R.sub.1 is selected from the group consisting of H, halogen, alkoxy , straight chain or branched alkyl group of 1 to 8 carbons;R.sub.2 is C.sub.2 -C.sub.10 alkylene which may be straight chain or branched; andR.sub.3 is H or CH.sub.3.Elements of the invention have good fresh Dmin and image dye stability, and the ultraviolet absorbers therein are highly light stable.Type: GrantFiled: July 1, 1992Date of Patent: January 24, 1995Assignee: Eastman Kodak CompanyInventors: Tien-Teh Chen, Edward Schofield, Hwei-Ling Yau, Lal C. Vishwakarma
-
Patent number: 5360710Abstract: Color photographic materials comprise a support bearing a silver halide emulsion and at least one water-dispersible polymeric coupler. The polymeric coupler is formed by polymerization of a mixture of at least one ethylenically unsaturated coupler monomer containing a dye-forming coupler moiety and at least one ionic monomer containing an ionizable functional group, in a water-miscible organic solvent. The polymeric coupler contains less than 10 weight percent of the ionic monomer.Type: GrantFiled: May 6, 1992Date of Patent: November 1, 1994Assignee: Eastman Kodak CompanyInventors: Tien-Teh Chen, Stanley W. Cowan, Edward Schofield, Ping-Wah Tang
-
Patent number: 5358836Abstract: The invention provides new magenta-dye-forming couplers, new magenta dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I): ##STR1## wherein ##STR2## has the structure (II) ##STR3## wherein each --R-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group, andeach --L-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, aryloxylene, or aryloxyalkylene group, and Q-- has the structure (III): ##STR4## wherein: each R.sup.1 -- is independently H-- or a substituent; each X-- is independently H-- or a coupling-off group; andeach of D, E, and Z is independently a substituted or unsubstituted methine group, .dbd.Type: GrantFiled: December 17, 1993Date of Patent: October 25, 1994Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan
-
Patent number: 5358835Abstract: The invention provides new yellow-dye-forming couplers, new yellow dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I): ##STR1## wherein ##STR2## has the structure (II) ##STR3## wherein each --R-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group, and Q-- has the structure (III): ##STR4## wherein: each R.sup.1 -- is independently t-butyl or a substituted aryl group;each Z-- is independently H--, halo, or a substituted or unsubstituted alkyl, aryl, alkoxy, or aryloxy group; andeach X-- is independently H-- or a coupling-off group.Type: GrantFiled: December 17, 1993Date of Patent: October 25, 1994Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan
-
Patent number: 5358837Abstract: The invention provides new magenta-dye-forming couplers, new magenta dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I):Q--G--Q.sub.(I)wherein --G-- has the structure (II):--L--NH--SO.sub.2 --R--SO.sub.2 -NH--L--.sub.(II)wherein --R-- is substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene, andeach --L-- is independently substituted or unsubstituted alkylene, alkoxylene, arylene, aryloxylene, or aryloxyalkylene, andQ-- has the structure (III ): ##STR1## wherein: each R.sup.1 -- is independently H-- or a substituent; each X-- is independently H-- or a coupling-off group; andeach of D, E, and Z is independently a substituted or unsubstituted methine group, .dbd.Type: GrantFiled: December 17, 1993Date of Patent: October 25, 1994Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Terrence C. Mungal, Philip T. S. Lau, Stanley W. Cowan
-
Patent number: 5358838Abstract: The invention provides new yellow-dye-forming couplers, new yellow dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I): ##STR1## wherein ##STR2## has the structure (II) ##STR3## wherein each --R-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group, and Q-- has the structure (III): ##STR4## wherein: each R.sup.1 -- is independently t-butyl or a substituted aryl group;each Z-- is independently H--, halo, or a substituted or unsubstituted alkyl, aryl, alkoxy, or aryloxy group;each M-- is independently H-- or a substituent; and each R.sup.2 -- is independently H-- or a substituent.Type: GrantFiled: December 17, 1993Date of Patent: October 25, 1994Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan
-
Patent number: 5354826Abstract: Polymeric color couplers with repeating units of a polymerized monomer K of formula I ##STR1## with R.sup.1 H or an optionally substituted alkyl group;R.sup.2, R.sup.3, R.sup.4 (identical or different) H, Cl, --COOH or optionally substituted alkyl groups; andX H or a group releaseable by coupling provide, during chromogenic development: magenta dye images with high dye yield and advantageous absorption level.Type: GrantFiled: April 28, 1993Date of Patent: October 11, 1994Assignee: Agfa-Gevaert AGInventors: Gunter Helling, Rainer Bialek, Ralf Weimann
-
Patent number: 5354642Abstract: A process is disclosed for forming a dye image including the steps of:exposing a photographic element comprising a support bearing a light sensitive silver halide emulsion layer containing a polymeric color coupler compound capable of forming a heat transferable dye upon development, wherein the polymeric color coupler compound is of the formula:COUP-L-Bwherein COUP represents a coupler moiety capable of forming a heat transferable dye upon reaction of the moiety with an oxidation product of a color developer; L is a divalent linking group which is separated from COUP upon reaction of the coupler moiety with said oxidation product of a color developer; and B represents the polymeric backbone;developing said exposed element with a color developer solution to form a heat transferable dye image;heating said exposed, developed element to thereby transfer the dye image from the emulsion layer to a dye receiving layer, where said receiving layer is part of the photographic element or part of a separate dye receivinType: GrantFiled: August 10, 1992Date of Patent: October 11, 1994Assignee: Eastman Kodak CompanyInventors: John Texter, Tienteh Chen, Ronald H. White
-
Patent number: 5340708Abstract: Dye-forming couplers provided by the invention are tris coupler compounds, each comprising three coupling moieties bonded to a phosphorous-containing tris linking group represented by ##STR1## has the structure (I): ##STR2## wherein each --R-- is independently a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group. Dyes of the invention are the dyes that are formed by coupling reaction of an oxidized photographic color developing agent and the new tris couplers of the invention. Photographic elements of the invention each comprise a support having thereon a photographic silver halide emulsion layer and one or more of the new tris couplers of the invention.Type: GrantFiled: December 17, 1993Date of Patent: August 23, 1994Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan
-
Patent number: 5326680Abstract: A silver halide color photographic light-sensitive material having at least one light-sensitive silver halide emulsion layer formed on a support wherein the light-sensitive material contains a compound represented by the following general formula (I): ##STR1## wherein A is a coupler residual or an oxidation-reduction group, X.sub.1 is an oxygen atom or a sulfur atom, X.sub.2 is an oxygen atom, a sulfur atom or NX.sub.6 group, W is a carbon atom or a sulfur atom, X.sub.3, X.sub.4, X.sub.5 and X.sub.6 are each a hydrogen atom or an organic residual, any two of X.sub.3, X.sub.4 and X.sub.5 can be bivalent groups which form a ring, PUG is a photographically useful group capable of bonding at a hetero-atom and, in the formula (I), n.sub.1 is 1 if W is a carbon atom, and either 1 or 2 if W is a sulfur atom. If n.sub.1 is 2, two X.sub.1 can either be identical or different. On the other hand, n.sub.2 is either 1 or 2. If n.sub.2 is 2, two X.sub.3, two X.sub.4, and two x.sub.5 are either identical or different.Type: GrantFiled: May 19, 1992Date of Patent: July 5, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Atsuhiro Ohkawa, Tatsuhiko Obayashi, Keiji Mihayashi
-
Patent number: 5306607Abstract: A photographic element is disclosed comprising a support bearing at least one photographic silver halide emulsion layer and at least one photographic coupler comprising a pyrazolotriazole moiety (PT), the coupler having the formula ##STR1## wherein PT is a pyrazolotriazole moiety.Type: GrantFiled: November 4, 1992Date of Patent: April 26, 1994Assignee: Eastman Kodak CompanyInventors: William J. Begley, Teh-hsuan Chen, Frank D. Coms, Donald Singleton
-
Patent number: 5302502Abstract: A novel silver halide color photographic material is provided which is excellent in color reproduction and color image fastness, and shows only small variations in gradation due to fluctuaion in treatment conditions such as treatment composition, time, and temperature. The present silver halide color photographic material has a pyrazoloazole coupler and silver halide grains consisting of regular crystals with a twin content of 5% or less, said silver halide grains being represented by the formula:AgCl.sub.x Br.sub.y I.sub.l-x-ywherein x and y satisfy the relationships 0.ltoreq.x<1, 0.ltoreq.y.ltoreq.1, and 0.ltoreq.l-x-y.ltoreq.0.02.In preferred embodiments of the present invention, said pyrazoloazole coupler is represented by the general formula: ##STR1## wherein R.sub.Type: GrantFiled: December 23, 1992Date of Patent: April 12, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoshinori Shibata
-
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
-
Patent number: 5292630Abstract: A silver halide color photographic material containing one or more imidazotriazole cyan couplers each having an electron attracting group with a .sigma.p of 0.35 or more in at least one layer on the support. The material provides a cyan color image having a sharp light absorption characteristic absorbing light having a relatively long wavelength falling within a narrow wavelength range. The imidazotriazole cyan coupler is of the following structural formula (I): ##STR1## where R.sub.1 represents a hydrogen atom or a substituent; R.sub.2 represents an electron attracting group having a Hammett's constant value .sigma.p of 0.35 or ore; X represents a hydrogen atom or a group released by coupling with an oxidation product of an aromatic primary amine color developing agent; and R.sub.1 or R.sub.2 may also be a divalent group forming a dimer or higher polymer, or they each may be bonded to a polymer chain to form a homopolymer or copolymer.Type: GrantFiled: February 16, 1993Date of Patent: March 8, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuhiro Shimada, Kozo Sato
-
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
-
Patent number: 5246820Abstract: A photographic element having improved granularity contains a dye-forming coupler containing a carbamic acid precursor capable of being converted into a carbamic acid group during processing, and wherein after processing the carbamic acid group decomposes, leaving the dye substantially non-diffusable.Type: GrantFiled: March 3, 1992Date of Patent: September 21, 1993Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, James J. Seifert, Stephen P. Singer
-
Patent number: 5234807Abstract: The polymerization and copolymerization of photographically useful vinyl monomers can be effected by dissolving such monomers in an isotropic oil-in-water microemulsion or in an isotropic water-in-oil microemulsion, each comprising monomers or comonomers, surfactants and/or cosurfactants, water, and optionally electrolytes. The microemulsion may be characterized as transparent or nearly transparent to the eye at 1% (w/w) or greater monomer, ultrafine in particle (droplet) size (typically in the range of 30 to 900 .ANG. in diameter), and spontaneously formed upon combining all the components with moderate stirring. The polymerization process is subsequently initiated with free radical initiators or with ultraviolet light. The components are chosen so that photographically useful polymers or photographically useful latexes are obtained, and said polymers or latexes may be coated in a photographic element.Type: GrantFiled: November 21, 1991Date of Patent: August 10, 1993Assignee: Eastman Kodak CompanyInventors: John Texter, Tienteh Chen, Edward Schofield
-
Patent number: 5234800Abstract: A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety containing a --CONH.sub.2 group in the 2-position and a ballasted coupling-off group in the 4-position enables good wash out of dye formed upon oxidative coupling from a photographic material during processing of such a photographic material. Such a naphtholic coupler is useful in photographic silver halide materials and processes.Type: GrantFiled: July 22, 1991Date of Patent: August 10, 1993Assignee: Eastman Kodak CompanyInventors: William J. Begley, Teh-Hsuan Chen, Hans G. Ling
-
Patent number: 5169749Abstract: The improved silver halide photographic material has a substantially colorless coupler that has a leaving group with a protected formyl group at the active site, said protected formyl group being such that subsequent to the elimination of the leaving group upon coupling reaction, the protective group for a formyl group undergoes cleavage, causing reaction with an aromatic primary amine to form a ballasted Schiff type dye. The novel substantially colorless coupler is capable of highly efficient dye formation.Type: GrantFiled: April 17, 1991Date of Patent: December 8, 1992Assignee: Konica CorporationInventors: Eisaku Katoh, Shuji Kida, Shuichi Sugita
-
Patent number: 5151356Abstract: A silver halide color photographic material comprising a support having provided thereon at least one water-soluble yellow dye-forming polymer coupler containing a repeating unit derived from at least one monomer in which the polymerization moiety is only in a coupling-off group.Type: GrantFiled: March 8, 1990Date of Patent: September 29, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kei Sakanoue, Tsumoru Hirano
-
Patent number: 5151343Abstract: A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety containing a --CONH.sub.2 group in the 2- position and a ballasted coupling-off group in the 4- position enables good wash out of dye formed upon oxidative coupling from a photographic material during processing of such a photographic material. Such a naphtholic coupler is useful in photographic silver halide materials and processes.Type: GrantFiled: August 22, 1991Date of Patent: September 29, 1992Assignee: Eastman Kodak CompanyInventors: William J. Begley, Teh-hsuan Chen, Hans G. Ling, John W. Harder, Arlyce T. Bowne
-
Patent number: 5147764Abstract: Photographic elements are described havinga silver halide emulsion layer,a 2-equivalent 5-pyrazolone coupler is reactive association with said silver halide emulsion, anda competitor for oxidized developer in reactive association with said coupler having the formula: ##STR1## wherein R.sup.1 represents an electron donating group,R.sup.2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR.sup.3, where R.sup.3 is phenyl or benzyl, with the proviso that at least one ofthe substitutents R.sup.1 and R.sup.2 (a) represents (1) a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, andn is 0, 1 or 2.Type: GrantFiled: April 30, 1991Date of Patent: September 15, 1992Assignee: Eastman Kodak CompanyInventor: Arlyce T. Bowne
-
Patent number: 5141844Abstract: Photographic elements are described containing polymeric dye-forming couplers in which the polymer contains coupler moieties that upon reaction with oxidized color developing agent yield dyes of a least two different hues. In one embodiment a neutral dye is formed. In another embodiment a minor proportion of one coupler moiety is used to modify or current the spectral absorption characteristics of another coupler moiety.Type: GrantFiled: May 7, 1990Date of Patent: August 25, 1992Assignee: Eastman Kodak CompanyInventor: Philip T. S. Lau
-
Patent number: 5139931Abstract: A silver halide color photographic material is disclosed having at least one coupler of the following formula (I), at least one compound of the following formula (II), and at least one compound of the following formula (III) in the same layer: ##STR1## wherein the substituent groups are as defined in the specification. The material resists fogging and forms a color image having excellent light-fastness.Type: GrantFiled: June 20, 1990Date of Patent: August 18, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Seto, Masakazu Morigaki
-
Patent number: 5120636Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein at least one of the silver halide emulsion layers contains at least one magenta coupler represented by the general formula (I) described below, at least one organic solvent having a high boiling point which has at least one ##STR1## bond in its molecule, wherein R.sub.13 represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group or an arylthio group, and at least one compound represented by the general formula (II) described below: ##STR2## wherein Za and Zb each represents ##STR3## or .dbd.N--; R.sub.1 and R.sub.2 each represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon a coupling reaction with an oxidation product of an aromatic primary amine developing agent; when the Za-Zb bond is a carbon-carbon double bond, it may form a part of a condensed aromatic; and R.sub.1, R.sub.Type: GrantFiled: May 25, 1990Date of Patent: June 9, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Hideaki Naruse
-
Patent number: 5100772Abstract: A magenta dye-forming coupler for photographic material is disclosed. The coupler is a polymer derived from a monomer having the formula: ##STR1## R.sub.1 represents hydrogen or a substituent, X represents hydrogen or a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent,Z represents the atoms necessary to complete a heterocyclic ring,L represents a divalent linking group,A represents --CONH--, --COO--, --O--, --OOC--, --NHCO--, --NHCONH--, --NHSO.sub.2 --, or a substituted or unsubstituted phenylene group,D represents --O--, --NR"--, or --CONR"--,R represents a substituted or unsubstituted aliphatic or a substituted or unsubstituted aromatic substituent, having at least 6 carbon atoms,R' represents H, substituted or unsubstituted lower alkyl of from 1 to 4 carbon atoms, carboxyl, or halogen, andR" represents substituted or unsubstituted: alkyl, aryl, or acetyl.Type: GrantFiled: December 24, 1990Date of Patent: March 31, 1992Assignee: Eastman Kodak CompanyInventors: Tienteh Chen, Stanley W. Cowan, Edward Schofield, Ping W. Tang
-
Patent number: 5091291Abstract: A coupler having as a coupling-off group an alkyl group substituted with an electron source capable of stabilizing carbonium ion.Type: GrantFiled: October 25, 1990Date of Patent: February 25, 1992Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Danny R. Thompson
-
Patent number: 5071735Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a compound represented by the following general formula (I):A--(L).sub.l --B (I)wherein A represents a group whose bond to (L).sub.l --B is capable of being cleaved upon reaction with an oxidation product of a developing agent; L represents a group whose bond to B is capable of being cleaved after being cleaved from A; B represents a 5-membered, 6-membered or 7-membered nitrogen-containing unsaturated heterocyclic group which has 2 to 6 carbon atoms, which is connected to A-(L).sub.l at the nitrogen atom, and which has a sulfonamido group and a development inhibitor group or a precursor thereof on the ring carbon atoms; l represents an integer of 0 to 2, and when l represents 2, the two L's may be the same or different. The silver halide color photographic material has excellent sharpness and color reproducibility.Type: GrantFiled: October 5, 1989Date of Patent: December 10, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Ichijima, Yasuhiro Shimada
-
Patent number: 5066576Abstract: A silver halide color photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein the emulsion layer contains a coupler represented by the following general formula (I) ##STR1## wherein X represents a non-metallic atomic group required for forming a heterocyclic ring together with a residue of the formula ##STR2## Y represents a group which is eliminated by coupling and has substantially no photographic effect and Z represents an electron attractive group (a substituent group having a value of at least 0.2 in terms of Hammett's .sigma.m substituent constant).Type: GrantFiled: September 18, 1990Date of Patent: November 19, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Ichijima, Naoki Saito, Keiji Mihayashi, Yoshio Ishii, Akira Ogawa
-
Patent number: 5017667Abstract: A method of preparing a latex of a color coupler polymer which method in characterized in that it comprises dissolving in at least one ethylenically unsaturated non-coupling monomer which is liquid at room temperature at least two monomeric color couplers, the total amount of couplers being from 1 to 50% by weight of the non-coupling monomer, and dispersing this solution in an aqueous solution of a surfactant and a polmerization initiating system, and wherein the melting point of the mixture of monomeric color couplers is below the reaction temperature of said polmerization system.Type: GrantFiled: December 14, 1988Date of Patent: May 21, 1991Assignee: Ilford LimitedInventors: John L. Cawse, Philip J. Harris
-
Patent number: 5011765Abstract: A novel cyan dye-forming coupler suitable for color photographic materials is disclosed. The coupler forms a cyan dye images excellent in resistivities to heat and moisture and fastness to light. The coupler has the following a chemical structure of Formula I; ##STR1## wherein X represents a group a group or atom, except hydrogen atom, capable of being split off upon reaction with the oxidized product of a color developing agent; R.sub.1, R.sub.2 and Y individually represent a hydrogen atom or a substituent; n is an integer of zero to 4, provided that the R.sub.2 s may be the same with or different from each other when n is 2, 3 or 4.Type: GrantFiled: June 22, 1990Date of Patent: April 30, 1991Assignee: Konica CorporationInventors: Kimie Tachibana, Yutaka Kaneko
-
Patent number: 5004678Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, the silver halide color photographic material containing at least one pyrazoloazole type coupler represented by general formula (I) described below and at least one compound represented by general formula (II) described below. ##STR1## wherein R.sub.1 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon a coupling reaction with an oxidation product of an aromatic primary amine developing agent; Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--, one of the Za--Zb bond and the Zb--Zc bond being a double bond and the other being a single bond; when the Zb--Zc bond is carbon-carbon double bond, the Zb-Zc bond may be a part of a condensed aromatic ring; R.sub.Type: GrantFiled: July 5, 1989Date of Patent: April 2, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Seto, Masakazu Morigaki
-
Patent number: 4992359Abstract: Color photographic elements comprise a support, a silver halide emulsion layer and a polymeric dye-forming coupler comprising a polyester condensation polymer having a pendant coupler moiety in which the coupler is joined via its coupling position.Type: GrantFiled: June 4, 1990Date of Patent: February 12, 1991Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan