Substituted At Coupling Position With Other Than Hydrogen Patents (Class 430/555)
  • Patent number: 9116426
    Abstract: The invention provides a dye compound having a partial structure represented by the following formula (5): wherein in formula (5), Dye represents a dye structure; G1 represents NR or an oxygen atom; G2 represents a monovalent substituent group having an ?Es? value as a steric parameter of 1.5 or more; p represents an integer from 1 to 8; when p is 2 or greater, the two or more structures represented by p may be the same or different from each other; and R represents a hydrogen atom or a monovalent substituent group.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: August 25, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Kyohei Arayama, Hiroaki Idei, Shinichi Kanna, Kenta Ushijima, Akiyoshi Goto
  • Patent number: 7592133
    Abstract: A silver halide photographic material, includes transparent support having provided thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein the average equivalent-sphere diameter of the silver halide grains contained in each layers is 0.35 ?m or less, and an upper layer of the green-sensitive emulsion layer contains a fixed magenta dye, an upper layer or the red-sensitive emulsion layer contains a fixed cyan dye, and the green-sensitive layer contains a pyrazolotriazole, pyrazolopyrrole or 4-thio-pyrazolo-5-one coupler having a specific structure, and an image-recording method uses the photographic material.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: September 22, 2009
    Assignee: Fujifilm Corporation
    Inventors: Masaaki Miki, Hideyuki Shirai, Junichiro Hosokawa, Tetsuo Kikuchi, Yoichi Hosoya, Katsuyuki Nukui, Ryoji Nishimura, Kouichi Yokota
  • Patent number: 7531298
    Abstract: A silver halide color photosensitive material, wherein the total coating amount of silver of the photosensitive silver halide is 6.0 g/m2 or less in terms of metal silver, and the photosensitivity is the ISO speed of 400 or more, the silver halide color photosensitive material further comprising at least one compound selected from a group consisting of the following type 1 and type 2: (Type 1) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, through subsequent bond cleavage reaction, releasing one or more electrons, (Type 2) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, after subsequent bond formation reaction, releasing one or more electrons.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: May 12, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Atsushi Matsunaga, Makoto Kikuchi, Kiyoshi Morimoto, Masahiko Taniguchi, Naoyuki Hanaki
  • Patent number: 7476494
    Abstract: A silver halide photosensitive material having at least one blue-sensitive layer, at least one green-sensitive layer, and at least one red-sensitive layer, on a transparent support, wherein at least one of the green-sensitive layers contains a coupler represented by general formula (I) or general formula (Z), and all of the green-sensitive layers contain silver halide emulsion having an average equivalent-spherical diameter of 0.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: January 13, 2009
    Assignee: Fujifilm Corporation
    Inventors: Junichiro Hosokawa, Koichi Yokota, Masaaki Miki, Yoichi Hosoya, Ryoji Nishimura
  • Publication number: 20080057449
    Abstract: The present invention provides a black and white photothermographic material including, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, a color developing agent, and a coupler, wherein the black and white photothermographic material includes at least two image forming layers including the photosensitive silver halide, in which a first image forming layer includes at least the reducing agent for silver ions, a second image forming layer includes at least the color developing agent, and a sensitivity difference between the first image forming layer and the second image forming layer is 0.2 or more when expressed by log E0 as a logarithmic value of an exposure value (E0) necessary for obtaining a one-half density for the sum of maximum density and fog.
    Type: Application
    Filed: July 5, 2007
    Publication date: March 6, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Katsuhisa Ohzeki, Yasuaki Deguchi, Yasuhiro Yoshioka, Kouta Fukui
  • Publication number: 20080026333
    Abstract: A silver halide photosensitive material having at least one blue-sensitive layer, at least one green-sensitive layer, and at least one red-sensitive layer, on a transparent support, wherein at least one of the green-sensitive layers contains a coupler represented by general formula (I) or general formula (Z), and all of the green-sensitive layers contain silver halide emulsion having an average equivalent-spherical diameter of 0.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 31, 2008
    Inventors: Junichiro Hosokawa, Koichi Yokota, Masaaki Miki, Yoichi Hosoya, Ryoji Nishimura
  • Patent number: 7244551
    Abstract: A silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these light-sensitive layer units composed of at least one silver halide emulsion layer, together with at least one non-sensitive layer, wherein compound (A) is contained in at least one layer in the silver halide color photosensitive material, compound (A) being a compound capable of releasing compound (Ac1) by oxidation coupling reaction with a color developing agent, compound (Ac1) being a heterocyclic compound which when added, is capable of enhancing the sensitivity of the photosensitive material as compared with that exhibited when not added, provided that the heterocyclic ring of the heterocyclic compound has 1 or 2 hetero atoms.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: July 17, 2007
    Assignee: Fujifilm Corporation
    Inventors: Junichiro Hosokawa, Naoharu Kiyoto, Ryoji Nishimura, Takashi Hoshimiya, Tadashi Inaba
  • Patent number: 7153639
    Abstract: Disclosed is a silver halide color photographic lightsensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these layers comprising at least two silver halide emulsion layers with different photographic speeds, together with at least one antihalation layer, wherein couplers capable of color formation are contained in a total coating amount of 0.02 mmol/m2 to 2 mmol/m2.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: December 26, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Tamaoki, Yoichi Suga, Yoshio Ishii, Mitsuhiro Uchida
  • Patent number: 6780573
    Abstract: The invention relates to a color silver halide photographic element comprising a light-sensitive silver halide emulsion layer, said silver halide emulsion being in reactive association with an amino acid compound according to Formula (I): wherein: COUP is a moiety that reacts with oxidized developer to release the amino acid timing group but does not substantially contribute any density in the visible region to the element after processing is complete; n is 0 or 1; R1 is an alkyl or alkenyl group of 4 carbon atoms or more or an aryl group with 10 carbon atoms or more; R2 is an alkyl or aryl group so the sum total of carbon atoms in R1 and R2 together are at least 5; and PUG is a photographically useful group.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: August 24, 2004
    Assignee: Eastman Kodak Company
    Inventors: Stephen P. Singer, Christopher W. Grote, Robert C. Stewart, Janet N. Younathan, Jerrold N. Poslusny
  • Publication number: 20040161713
    Abstract: Disclosed is a silver halide color photographic lightsensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these layers comprising at least two silver halide emulsion layers with different photographic speeds, together with at least one antihalation layer, wherein couplers capable of color formation are contained in a total coating amount of 0.02 mmol/m2 to 2 mmol/m2.
    Type: Application
    Filed: August 19, 2003
    Publication date: August 19, 2004
    Inventors: Hiroshi Tamaoki, Yoichi Suga, Yoshio Ishii, Mitsuhiro Uchida
  • Patent number: 6756188
    Abstract: This invention relates to a photographic element comprising a support and at least two silver halide emulsion layers further comprising, an electron transfer agent releasing compound represented by the formula (I): CAR1—(L)n—ETA  (I) wherein: CAR1 is a carrier moiety which is capable of releasing —(L)n-ETA on reaction with oxidized developing agent; L is a divalent linking group, n is 0, 1 or 2; and ETA is a releasable 1-aryl-3-pyrazolidinone electron transfer agent having a calculated log partition coefficient (c log P) greater than or equal to 2.40 and the total sum of the Hammett sigma(para) values of the substituents on the 1-aryl ring is 0.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: June 29, 2004
    Assignee: Eastman Kodak Company
    Inventors: John E. Keevert, Stephen P. Singer, Kenneth J. Reed, Kenneth J. Lushington, Mary C. Brick, James A. Friday
  • Patent number: 6656673
    Abstract: A silver halide color photographic light-sensitive material has a red-, green-, and blue-sensitive emulsion layer in this order from the side closest to a support. The green-sensitive layer contains a coupler represented by formula (MC-I), and the red-sensitive emulsion layer contains a coupler represented by formula (CC-I): wherein R1 represents a hydrogen atom or substituent; one of G1 and G2 represents C, the other represents N; and R2 represents a substituent which substitutes one of G1 and G2 which is C; X represents a hydrogen atom or a splitting off group; wherein Rc1 represents a hydrogen atom or alkyl group, Rc2 represents an alkyl or aryl group, n is 1, 2, or 3, and Y is positioned in the meta and/or para position of the phenyl group with respect to the sulfonyl group, and represents alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamide, ureido, oxycarbonyl, oxycarbonylamino, or carbamoyl group.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: December 2, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoto Matsuda, Hisashi Mikoshiba
  • Patent number: 6649329
    Abstract: The present application relates to a photothermographic material comprising, on a side of a support, (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a phenol derivative having the specific structure as reducing compound, (d) a binder, (e) a coupler compound, and (f) a compound represented by Q1—NHNH—V6 wherein Q1 is a 5- to 7-membered unsaturated ring and V6 is a carbamoyl group, etc.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: November 18, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Toyohisa Oya, Kazunobu Katoh
  • Patent number: 6593069
    Abstract: A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following formula (1) or (2), (d) a binder and (e) a coupler compound on the same side of a support: wherein, in the formula (1), V1 to V4 each independently represent hydrogen atom or a substituent, and V5 represents a substituted or unsubstituted alkyl group, aryl group or heterocyclic group: Q1—NHNH—V6  (2) wherein, in the formula (2), Q1 represents a 5- to 7-membered unsaturated ring bonding to NHNH—V6 at a carbon atom, and V6 represents a carbamoyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group or a sulfamoyl group.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: July 15, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Toyohisa Oya, Kazunobu Katoh, Shigeo Hirano
  • Patent number: 6586167
    Abstract: A method for thermally forming images for plate making, which comprises forming an image for plate making by using a thermally processed image recording material comprising a silver salt of an organic acid, a reducing agent, a color image forming material and an organic binder on a support, wherein the image consists essentially of a developed silver image and a color forming dye image and the color forming dye image shows an absorbance for ultraviolet region higher than that for visible region and has a transmission density of 0.3 or more for the region of 360-450 nm. There are provided a thermally processed image recording material and method for thermally forming images that provide significant difference of ultraviolet absorption between image areas and non-image areas suitable for printing plate making.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: July 1, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazunobu Katoh, Toyohisa Oya
  • Patent number: 6558886
    Abstract: Disclosed is a silver halide direct view multicolor photographic element comprising a green record containing a green light sensitized silver halide emulsion and comprising either (a) a magenta dye-forming coupler and a cyan dye-forming coupler in an amount of at least 0.1 mole % of the couplers present in the green record, or (b) a green record having a coupler or couplers sufficient to provide upon development a Status A red density greater than 0.23 as measured using a green light separation exposure at a Status A green density of 1.0.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: May 6, 2003
    Assignee: Eastman Kodak Company
    Inventors: Walter H. Isaac, Jess B. Hendricks, Vincent J. Flow, Patrick W. Webber, Glenn M. Brown, Cynthia A Fitzgerald, Carolyn R. Ellinger
  • Patent number: 6531269
    Abstract: A color photographic silver halide material, which has a support which comprises at least one blue-sensitive, yellow-coupling silver halide emulsion layer nearest the light source and at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer which are further from the light source than is the at least one blue-sensitive layer, and which contains at least one cyan masking coupler which has its maximum absorption above 650 mn, the red-sensitive layers have their maximum sensitivity at 620±20 nm and the absorption of the masking coupler at the maximum sensitivity of the red-sensitive layers is at most 70% of its absorption at 690 mn, is distinguished by improved color reproduction and color saturation in the magenta layer without loss of sensitivity.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: March 11, 2003
    Assignee: Agfa-Gevaert N.V.
    Inventors: Ralf Wirowski, Jan Haller, Stefan Herrmann, Jürgen Jung
  • Patent number: 6528241
    Abstract: A light-sensitive silver-halide color photographic element comprising a multifunctional coupler enabling formation of an infrared dye on development, wherein the multifunctional coupler has the property that it is capable of forming a distinctly colored cyan dye with an oxidized form of the developer 4-(N-ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: March 4, 2003
    Assignee: Eastman Kodak Company
    Inventor: Richard P. Szajewski
  • Patent number: 6514679
    Abstract: Disclosed is a photographic element comprising a silver halide emulsion and a peptoid-containing azole dye-forming coupler.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Robert J. Niger, Richard P. Dunlap, William J. Sonnefeld, Hans F. Schmitthenner
  • Publication number: 20020172900
    Abstract: A color photographic silver halide material having a support, which material comprises at last one blue-sensitive, yellow-coupling silver halide emulsion layer and at least one geen-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, and which contains at least one masking coupler which has two chromophores which absorb in the wavelength range from 420 to 750 nm and are eliminable or decolorisable by coupling with the developer oxidation product, is distinguished by improved sensitivity associated with undiminished color purity.
    Type: Application
    Filed: January 10, 2002
    Publication date: November 21, 2002
    Inventors: Jan Haller, Ralf Wirowski
  • Patent number: 6451520
    Abstract: A colour photographic silver halide material comprising a support and at least one silver halide emulsion layer which is deposited thereon and which contains at least one colour coupler, characterised in that said layer also contains a compound of formula (I) wherein R1 denotes alkyl, aryl, aralkyl or hetaryl, R2 denotes H or R1, or R1 and R2 together denote the remaining members of a heterocyclic ring, R3, R4, independently of each other, denote aryl or hetaryl or together denote the remaining members of a phenanthrene ring which is condensed-on in the 9,10-position, wherein R1 can also be H if R3 and R4 together form a phenanthrene ring, is distinguished by improved granularity.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: September 17, 2002
    Assignee: Agfa-Gevaert
    Inventors: Heinrich Odenwälder, Hans Langen, Uwe Dahlhaus
  • Patent number: 6444412
    Abstract: The invention relates to a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith one or more dye-forming couplers and a stabilizer compound of formula (I): wherein R1 and R2 are independently selected from hydrogen or an unsubstituted or substituted alkyl, aryl, alkoxy, aryloxy or amino group or may combine to complete a 5-10 membered heterocyclic ring which may contain in addition to the silicon atom one or more heteroatoms selected from nitrogen, oxygen and sulfur, which ring is unsubstituted or substituted; each Z independently represents the atoms necessary to complete a substituted or unsubstituted arene or heteroaromatic ring system; X is a single bond or a linking group having a single atom which connects the arene rings or heteroaromatic ring systems; or X forms, together with substituents ortho to X on the arene rings or heteroaromatic ring systems, a fused unsubstituted or substituted 5-, 6- or 7-membered ring, which may cont
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: September 3, 2002
    Assignee: Eastman Kodak Company
    Inventors: David Clarke, Llewellyn J. Leyshon, Christopher P. Moore
  • Publication number: 20020098449
    Abstract: A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following formula (1) or (2), (d) a binder and (e) a coupler compound on the same side of a support: 1
    Type: Application
    Filed: March 16, 2001
    Publication date: July 25, 2002
    Inventors: Toyohisa Oya, Kazunobu Katoh, Shigeo Hirano
  • Patent number: 6416943
    Abstract: The invention provides a color photographic element suitable for forming both a colored dye image and a neutral silver-based image, comprising a support bearing at least one light-sensitive silver halide emulsion layer containing a coupler capable of forming a colored dye upon development, and bearing a further light-sensitive silver halide emulsion layer containing a coupler which is capable of releasing a thiovinyl group upon development that is capable of reacting to form a neutral silver-based image.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: July 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Robert F. Romanet, Susan D. Hill, Stephen P. Singer, Anabisdally I. Bodden
  • Patent number: 6403293
    Abstract: A silver halide color photographic light sensitive material is disclosed, comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layers, wherein at least one of the silver halide emulsion layers contains a coupler represented by the following formula:
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: June 11, 2002
    Assignee: Konica Corporation
    Inventors: Osamu Ishige, Emiko Kataoka, Hiroyuki Hoshino
  • Patent number: 6379879
    Abstract: A color photographic recording material having at least one spectrally sensitized silver halide emulsion layer, characterized in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one color coupler, wherein the color coupler and/or the DIR coupler have specific structures, is distinguished by an increased interimage effect in comparison with the prior art without sensitivity being reduced.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: April 30, 2002
    Assignee: Agfa-Gevaert
    Inventors: Jörg Hagemann, Günter Helling, Heinz Wiesen, Ralf Wirowski, Ralf Büscher
  • Publication number: 20020045138
    Abstract: A color photographic silver halide material comprising a support and at least one silver halide emulsion layer which is deposited thereon and which contains at least one color coupler, characterized in that said layer also contains a compound of formula (I) 1
    Type: Application
    Filed: July 27, 2001
    Publication date: April 18, 2002
    Inventors: Heinrich Odenwalder, Hans Langen, Uwe Dahlhaus
  • Patent number: 6365334
    Abstract: A photographic element having a layer comprising a silver halide emulsion, a 1-aryl-4-aryloxy-2-pyrazolin-5-one magenta dye forming coupler, and a sulfide, sulfoxide or sulfone compound. Such elements exhibit good activity and stability of the magenta coupler. Preferably, the foregoing magenta dye forming coupler has the structure of Ia or Ib below, while the sulfide, sulfoxide and sulfone compounds have the structure VI, VII or VIII below: Where R1, R2, R3, n, R8 and R9 are defined in the specification.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: April 2, 2002
    Assignee: Eastman Kodak Company
    Inventors: Jerrold Neal Poslusny, Paul Barrett Merkel, Lawrence Glenn Anderson, Jared Ben Mooberry, David Hales Bown
  • Publication number: 20020018971
    Abstract: A colour photographic recording material having at least one spectrally sensitised silver halide emulsion layer, characterised in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one colour coupler, wherein the colour coupler and/or the DIR coupler have specific structures, is distinguished by an increased interimage effect in comparison with the prior art without sensitivity being reduced.
    Type: Application
    Filed: February 26, 2001
    Publication date: February 14, 2002
    Inventors: Jorg Hagemann, Gunter Helling, Heinz Wiesen, Ralf Wirowski, Ralf Buscher
  • Patent number: 6280919
    Abstract: The invention provides a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a coupler based on a 1-aryl-3-arylpyrazol-5-one ring and represented by formula I: wherein the substituents are as described in the specification.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: August 28, 2001
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Jerrold N. Poslusny, Zheng Z. Wu
  • Publication number: 20010008749
    Abstract: A silver halide color photographic light sensitive material is disclosed, comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layers, wherein at least one of the silver halide emulsion layers contains a coupler represented by the following formula: 1
    Type: Application
    Filed: December 8, 2000
    Publication date: July 19, 2001
    Inventors: Osamu Ishige, Emiko Kataoka, Hiroyuki Hoshino
  • Patent number: 6261756
    Abstract: The present invention refers to a light-sensitive silver halide multilayer color photographic element having a support base and coated thereon blue-, green- and red-sensitive silver halide emulsion layers respectively associated with non-diffusing yellow, magenta and cyan dye-forming couplers, wherein at least one green-sensitive layer contains a 2-equivalent 3-anilino-4-phenylthio-5-pyrazolone magenta coupler and a 4-(4-hydroxy-phenylazo)-5-pyrazolone colored magenta coupler. The multilayer color photographic element of the present invention presents an improved speed and contrast, without a detrimental effect on the other sensitometric properties, such as Dmin and Dmax.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: July 17, 2001
    Assignee: Terrania, S.p.A.
    Inventors: Raffaella Biavasco, Emilio Prosperi, Roberto Sardelli
  • Patent number: 6245497
    Abstract: A photographic element comprises a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said emulsion layers comprises a) an emulsion with 3D, core/shell grains of at least 0.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: June 12, 2001
    Assignee: Eastman Kodak Company
    Inventors: Jon N. Eikenberry, David T. Southby
  • Patent number: 6218097
    Abstract: A colour photographic silver halide material having a support and at least one photosensitive silver halide emulsion layer which contains a magenta coupler of the formula (I) in which R1 to R3, a, b, c and X have the meaning stated in the description, which material contains a DIR coupler of the formula (II) in which R6 to R11 have the meaning stated in the description, is distinguished by improved processing stability.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: April 17, 2001
    Assignee: Agfa-Gevaert
    Inventors: Peter Bell, Ralf Büscher, Lothar Rosenhahn, Heinz Wiesen, Ralf Wirowski
  • Patent number: 6194131
    Abstract: A silver halide color photographic lightsensitive material comprising a compound represented by general formula (I): COUP—A—E—B  (I) wherein COUP represents a coupler residue capable of coupling with a developing agent in an oxidized form, E represents an electrophilic moiety, A represents a single bond or a divalent connecting group which can release B while forming a 4 to 8-membered ring through an intramolecular nucleophilic substitution reaction between the electrophilic moiety E and a nitrogen atom of a coupling product that is obtained by the reaction of COUP with the developing agent in an oxidized form, wherein the nitrogen atom originates from the developing agent and directly binds to a coupling position of COUP, provided that A may be bound to COUP at the coupling position or position other than the coupling position of COUP, and B represents a photographically inert group.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: February 27, 2001
    Assignee: Fuji Photo film Co., Ltd.
    Inventors: Takayuki Ito, Hidetoshi Kobayashi
  • Patent number: 6183945
    Abstract: In a silver halide photographic light sensitive material having at least one emulsion layer provided on a support, a silver halide photographic light sensitive material characterized in that at least one of the silver halide emulsion layer comprises a magenta dye forming coupler represented by a formula (M-1) or (M-1′) described below, and a molar ratio MA/MC of silver halide and the magenta dye forming coupler in the silver halide emulsion layer containing the magenta dye forming coupler is 3.1 to 3.7 wherein MA is mols per unit area of silver halide in the silver halide emulsion layer, and MC is mols per unit area of the magenta dye forming coupler in the silver halide emulsion layer.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: February 6, 2001
    Assignee: Konica Corporation
    Inventors: Hirokazu Sato, Takeshi Hakii
  • Patent number: 6174662
    Abstract: A photographic element comprises: (a) a support; and (b) at least one silver halide emulsion layer; wherein said emulsion layer contains (c) at least one magenta dye-forming pyrazolone DIR coupler of structure I; and (d) at least one magenta dye-forming imaging coupler of structure II, structure IIIa or structure IIIb, below: wherein the substituents are as defined in the specification.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: January 16, 2001
    Assignee: Eastman Kodak Company
    Inventors: Paul B. Merkel, Jerrold N. Poslusny, David A. Steele
  • Patent number: 6171771
    Abstract: This invention comprises a photographic element having a support bearing one or more silver halide emulsions and one or more DIR couplers of structure I or II below: wherein: Z is a moiety which can react with oxidized developer to release a coupling-off group; R1 is a hydrogen atom or a substituent selected from the group consisting of halogen atom, alkyl, aryl, alkoxy, alkylthio, arylthio, amino, alkylamino, arylamino, carbonamido, carbamoyl, alkoxycarbonyl, aryloxycarbonyl, aryloxy, arylcarbonyl, alkylcarbonyl, sulphonyl and sulphonamido groups; each of the R2 substituents is a halogen atom or a substituent selected from the group consisting of alkyl, aryl, alkoxy, alkylthio, arylthio, amino, alkylamino, arylamino, carbonamido, carbamoyl, alkoxycarbonyl, aryloxycarbonyl, aryloxy, arylcarbonyl, alkylcarbonyl, sulphonyl and sulphonamido groups; X represents the atoms required to make a second ring which is aromatic and contains at least one nitrogen atom; and n is between 0 and the num
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: January 9, 2001
    Assignee: Eastman Kodak Company
    Inventors: Paul B. Merkel, Philip A. Allway, David A. Steele, Jerrold N. Poslusny
  • Patent number: 6159675
    Abstract: A colour photographic material having a support and at least one silver halide emulsion layer containing couplers, which layer contains as couplers a 2-equivalent magenta coupler and both at least one compound of the formula (III) and at least one compound of the formula (IV): ##STR1## in which R.sub.4 to R.sub.9 and n have the meaning stated in the description, is distinguished by reduced pressure sensitivity.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: December 12, 2000
    Assignee: Agfa-Gevaert Naamloze Vennootschap
    Inventors: Cuong Ly, Matthias Feigl, Markus Geiger
  • Patent number: 6159672
    Abstract: The invention provides a multilayered color photographic element and associated image forming process wherein the element comprises a support having coated thereon photographic silver halide emulsion layers said layers including at least two blue sensitive layers, the blue sensitive layers being the emulsion layers farthest from the support, whereinthe first of said blue sensitive layers is the most sensitive blue layer and is the emulsion layer farthest from the support, the first blue sensitive layer being extremely starved of dye-forming coupler, the second blue sensitive layer being contiguous said first blue sensitive layer.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: December 12, 2000
    Assignee: Eastman Kodak Company
    Inventors: John Brian Rieger, James Anthony Friday
  • Patent number: 6156490
    Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a coupler based on a 1-aryl-3-arylpyrazol-5-one or a 1-aryl-3-alkylpyrazol-5-one ring and represented by formula I: ##STR1## wherein: X represents an aryl, alkyl, alkylamino, or arylamino group;Y can be carbon or sulfur; in is 1 when Y is carbon and 2 when Y is sulfur;R represents a halogen or an alkyl group; and o is 0 to 4, provided that two or more R substituents may join to form one or more additional rings;Z is either (a) an aryl group represented as Ar.sup.3 Q(n) where Q represents n independently selected substituents bonded to the Ar.sup.3 ring; and n is 0 to 5, provided that two or more Q substituents may join to form one or more additional rings or (b) an alkyl group;OAr.sup.4 is an aryloxy group; andP represents p independently selected substituents bonded to the OAr.sup.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: December 5, 2000
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Jerrold N. Poslusny, Xiqiang K. Yang
  • Patent number: 6153369
    Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a pyrazol-5-one coupler bearing a 4-aryloxy coupling-off group containing a group capable of releasing a photographically useful group (PUG) wherein:(1) the pyrazol-5-one ring contains a 1-aryl substituent which in turn contains, in a position ortho to the bond linking it to the pyrazolone ring, a secondary carbonamido group or a secondary sulfonamido group;(2) the pyrazol-5-one ring contains either (a) a 3-aryl substituent which in turn contains substituents for which the sum of the Hammett's .sigma. constant values is -0.3 or higher or (b) a 3-alkyl substituent; and(3) the 4-aryloxy coupling-off group:(a) contains ring substituents selected so that the sum of the Hammett's .sigma. constant values for all substituents on the phenoxy ring is at least 0.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 28, 2000
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Jerrold N. Poslusny, Xiqiang K. Yang
  • Patent number: 6150078
    Abstract: The invention provides a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith an 1-arylpyrazol-5-one coupler bearing a 4-aryloxy coupling-off group containing a group capable of releasing a photographically useful group (PUG) wherein:(1) the 1-arylpyrazol-5-one ring contains a 3-aryl substituent which in turn contains substituents for which the sum of the Hammett's .sigma. constant values is at least 0, provide that two or more such substituents may join to form one or more additional rings; and(2) the 4-aryloxy coupling-off group:(a) contains ring substituents selected so that the sum of the Hammett's sigma constant values for all substituents on the aryloxy ring is at least 0.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 21, 2000
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Jerrold N. Poslusny, Zheng Z. Wu, Xiqiang Yang
  • Patent number: 6146820
    Abstract: This invention comprises a photographic element having a support bearing at least one silver halide emulsion and at least one DIR coupler of structure I: ##STR1## wherein: Z is a moiety which can react with oxidized developer to release a coupling-off group;R.sub.1 is selected from the substituents shown in formulas II, III, IV and V:II --SCH.sub.2 CO.sub.2 R.sub.2, III --NHCOR.sub.3, IV --OCH.sub.2 CO.sub.2 R.sub.4, V --OR.sub.5 ;R.sub.2 is an alkyl group with at least 3 carbon atoms or an aryl group with at least 7 carbon atoms;R.sub.3 is an alkyl or alkoxy group with at least 4 carbon atoms or an aryl or phenoxy group with at least 7 carbon atoms; andR.sub.4 and R.sub.5 are alkyl groups with at least 4 carbon atoms or aryl groups.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: November 14, 2000
    Assignee: Eastman Kodak Company
    Inventors: Paul B. Merkel, Philip A. Allway, David A. Steele, Jerrold N. Poslusny
  • Patent number: 6140031
    Abstract: Disclosed is a silver halide photographic element comprising a support bearing a light sensitive silver halide emulsion layer and a cyclic azole dye forming coupler associated with a stabilizer having the following Formula S: ##STR1## wherein: R.sub.1 represents an alkyl or cycloalkyl group, an alkenyl group or an aryl group;R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent;L represents a covalent bond or a divalent linking group;X represents O, S, SO, SO.sub.2, or NR.sub.4, or --O--X.sub.2 --O--;R.sub.4 represents H, alkyl, --CH.sub.2 CH(OH)CH.sub.2 OR.sub.5, or --COR.sub.6 ;R.sub.5 and R.sub.6 represent alkyl groups;Y represents a hydrogen bond donating group;X.sub.2 represents BR.sub.7, PR.sub.8, P(O)R.sub.9, SO, or SO.sub.2 ;R.sub.7 -R.sub.9 each represents phenoxy which may be substituted by 1 to 3 alkyl, alkoxy, or halogen groups;Z.sub.1 and Z.sub.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 31, 2000
    Assignee: Eastman Kodak Company
    Inventors: Stanley W. Cowan, Albert J. Mura
  • Patent number: 6132943
    Abstract: A multilayer silver halide color photographic element is disclosed comprising a support bearing a light-sensitive silver halide emulsion layer and a non-diffusible yellow-colored magenta dye-forming masking coupler of the following formula ##STR1## wherein COUP is a magenta dye-forming coupler having the azo group attached to its coupling position; q is an integer of from 0 to 3, and each R' independently represents a substituent group or two R' groups together complete a ring of from 5-7 atoms, which ring may include 1 or more heteroatoms selected from O, N and S; m is 1 or 2, and DG represents a substituent of the formula ##STR2## where each L.sup.1 represents a divalent linking group, preferably --O(CH.sub.2).sub.y --, --NHCO(CH.sub.2).sub.y --, or --NRCO(CH.sub.2).sub.y --, where R represents an alkyl or aryl group and y represents an integer from 1 to 4; each k is either 0 or 1; each L.sup.2 represents --NHSO.sub.2 --, --NHCO--, --SO.sub.2 NH--, or --CONH--, preferably at least one L.sup.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: October 17, 2000
    Assignee: Eastman Kodak Company
    Inventors: Janet N. Younathan, Michael W. Crawley, Krishnan Chari
  • Patent number: 6132944
    Abstract: Disclosed is a photographic element containing a light sensitive silver halide emulsion layer having associated therewith a coupler represented by Formula I: ##STR1## wherein COUP is a coupler parent group capable of reacting with an oxidized developer to form a first dye and is bonded at a coupling position to the group ##STR2## wherein X is a or NSO.sub.2 R; R is an alkyl or aryl group; and DYE is a releasable second dye that is after release the same color as the first dye and is linked to OC.dbd.X by a moiety of the DYE having Formula (IA): ##STR3## wherein R.sup.2 is a substituent; provided there is contained in the coupler of Formula I at least one group of Formula IB:--L.sub.m --Sol IBwherein L is a divalent linking group and m is 0 or 1; and Sol is a group containing an acidic hydrogen selected from the group consisting of --ArOH, --NHSO.sub.2 R.sup.1 and --SO.sub.2 NHR.sup.1, in which AR is an aromatic group and each R.sup.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: October 17, 2000
    Assignee: Eastman Kodak Company
    Inventors: Jared B. Mooberry, Steven M. Bonser, Kevin P. Dockery, David Hoke, Chang-Kyu Kim, James J. Seifert, David T. Southby, Zheng Z. Wu
  • Patent number: 6127107
    Abstract: 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: Grant
    Filed: February 2, 2000
    Date of Patent: October 3, 2000
    Assignee: Eastman Kodak Company
    Inventors: Adrian J. Codling, John R. Fyson
  • Patent number: 6127106
    Abstract: The invention relates to a photographic element comprising a paper base, at least one photosensitive silver halide layer, and a layer of biaxially oriented polymer sheet adhered to the backside of the said paper base opposite to the side where said at least one said silver halide photosensitive layer is located, wherein said polymer sheet is provided with machine readable indicia on the surface of said sheet between said base paper and said polymer sheet.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: October 3, 2000
    Assignee: Eastman Kodak Company
    Inventors: Douglas N. Haydock, Thaddeus S. Gula, Peter T. Aylward, Robert P. Bourdelais
  • Patent number: 6127108
    Abstract: A silver halide color photographic material wherein a cyan dye image density reduction is prevented in time of bleach fixing processing or bleach fixing, and its processing method by incorporating an oil soluble organic basic compound in the silver halide color photographic material. The compound oil soluble organic basic compound is represented by Formulas (I) to (V) defined in the specification.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: October 3, 2000
    Assignee: Konica Corporation
    Inventors: Hiroshi Kita, Kazuhiro Murai