Hetero Rings Bridged Or Fused To Carbocyclic Rings Patents (Class 430/588)
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Patent number: 9068080Abstract: Disclosed are merocyanine derivatives which correspond to the formula (I), wherein L1, L2 and L3 independently of each other are hydrogen; or L1 and L3 may be linked together to form a carbocyclic ring; R3 and R4 independently of each other are CN; —COR5; —COOR5; —CONR5R6; C1-C22alkyl; C2-C22alkenyl; C2-C22alkinyl; C3-C12cycloalkyl; C3-C12cycloalkenyl; C7-C20aralkyl; C1-C20heteroalkyl; C3-C12cycloheteroalkyl; C3-C18heteroaralkyl; C6-C20 aryl; C1-C12alkylcarbonylamino-C6-C20aryl; C2-C12heteroaryl; or —X2—Sil2; n is a number from 1 to 4; the meaning of R1 and R2 depends on the definition of n. The compounds are useful as UV absorbers for cosmetic applications.Type: GrantFiled: October 5, 2007Date of Patent: June 30, 2015Assignee: BASF SEInventor: Barbara Wagner
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Patent number: 7291449Abstract: Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I): wherein Y represents a furan ring or a pyrrole ring, and Y may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring, or may have a substituent; the bond between two carbon atoms in which Y is condensed may be a single bond or a double bond; Z represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, and Z may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring; R represents a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group; D represents a group necessary to form a methine dye; L1 and L2 each represents a methine group; p represents 0 or 1; M represents a counter ion; and m represents a number of 0 or higher necessary to neutralize the charge in the molecule.Type: GrantFiled: August 17, 2001Date of Patent: November 6, 2007Assignee: Fujifilm CorporationInventors: Tetsuo Nakamura, Takanori Hioki, Katsuhisa Ohzeki, Naoyuki Hanaki
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Patent number: 7052827Abstract: A silver halide photographic material including at least one methine dye represented by the following general formula (I) and at least one coupler represented by the following general formula (XX): wherein X1 and X2 each represents an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, or a nitrogen atom; Y1 represents a furan, pyrrole or thiophene ring which may be condensed with another 5- or 6-membered carbon ring or heterocycle or may have a substituent group; Y2 represents an atomic group necessary for forming a benzene ring or a 5- or 6-membered unsaturated heterocycle, which may be further condensed with another 5- or 6-membered carbon ring or heterocycle or may have a substituent group; a bond between two carbon atoms by which Y1 and Y2 are each condensed with the carbon ring or the heterocycle may be a single bond or a double bond; R1 and R2 each represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; L1, L2 and L3 each represents a methine group; n1 represents 0 oType: GrantFiled: August 27, 2004Date of Patent: May 30, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Tetsuo Nakamura
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Patent number: 6844146Abstract: A silver halide color photosensitive material has at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one red-sensitive silver halide emulsion layer containing a cyan coupler, and at least one non-lightsensitive layer, on a support. The photosensitive material contains, in at least one of the layers, a compound having a reducing group and a compound having at least three hetero atoms capable of increasing a photographic speed of the photosensitive material in comparison with the case where the material does not contain the same.Type: GrantFiled: November 19, 2002Date of Patent: January 18, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Junichiro Hosokawa, Kohzaburoh Yamada, Yasuhiro Shimada
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Patent number: 6828087Abstract: A silver halide photographic material comprising at least one methine dye of formula (I) and at least one coupler of formula (X): wherein X1 and X2 each represents O, S, Se, Te, N or C; Y1 represents a furan, pyrrole or thiophene ring which may be condensed and substituted with the specific ring; Y2 represents an atomic group necessary for forming a benzene ring or a 5- or 6-membered unsaturated heterocycle; R1 and R2 each represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; L1, L2 and L3 each represents a methine group; n1 represents 0 or 1; M1 represents a counter ion; and m1 represents a number of 0 or more necessary for neutralizing a charge in a molecule; wherein Z1 and Z2 each represents —C(Q3)═ or —N═; Q1 and Q3 each represents a hydrogen atom or a monovalent substituent group; Q2 represents a hydrogen atom or a coupling release group.Type: GrantFiled: September 23, 2002Date of Patent: December 7, 2004Assignee: Fuji Photo Film Co., Ltd.Inventor: Tetsuo Nakamura
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Patent number: 6806043Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein said emulsion layer contains a compound represented by the following formula (1): Dye1&Parenopenst;L1&Parenopenst;Dye2)m1)m2 (1) wherein Dye1 represents a cyanine chromophore, Dye2 represents a merocyanine dye having in the acid nucleus thereof at least one dissociative group having a pKa of 5 or less, and L1 represents a linking group represented by -G1-(A1-G2)t1-(wherein G1 and G2 each independently represents an alkylene, alkenylene or arylene group which may be substituted, A1 represents, irrespective of the direction, —O—, —S—, —SO2—, —NR3—, —COO—, —CONR4— or —SO2NR5— (wherein R3 to R5 each independently represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or a heterocyclic group) and t1 represents an integer of 1 to 1Type: GrantFiled: March 22, 2002Date of Patent: October 19, 2004Assignee: Fuji Photo Film Co., Ltd.Inventor: Hiroo Takizawa
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Patent number: 6794122Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer, wherein the emulsion layer contains at least one compound of formulae (Ia), (Ib) and (Ic) and at least one compound of formula (II): wherein Z1 represents S, O, Se, Te, N or C; R, R31 and R32 each are an alkyl, aryl or heterocyclic group; D is a group necessary for forming a methine dye; V1 to V4 represent H or a monovalent substituent; M and M3 each are a charge-balancing counter ion; m and m3 each are a number or 0 or more necessary for neutralizing the charge of the molecule; Z31 and Z32 each are an atomic group necessary for forming the nitrogen-containing hetero-ring; L31 to L37 each represent a methine group; p31 and p32 each are 0 or 1; n3 is 0, 1, 2, 3 or 4, but the compound of formula (II) does not include the compounds of formulae (Ia), (Ib) and (Ic).Type: GrantFiled: December 4, 2002Date of Patent: September 21, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Takanori Hioki, Tetsuo Nakamura
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Patent number: 6787297Abstract: This invention provides a silver halide photographic element comprising at least one silver halide emulsion comprising silver halide grains which have associated therewith at least an inner dye layer and an outer dye layer wherein the outer dye layer comprises a dye having at least one substituent that has a positive charge, said photographic element further comprising a cyanine dye of formula (I) or (II) (as described in the specification) that is capable of spectrally sensitizing a silver halide emulsion.Type: GrantFiled: May 12, 2003Date of Patent: September 7, 2004Assignee: Eastman Kodak CompanyInventors: Steven G. Link, Richard L. Parton, Robert D. Wilson, Roger A. Bryant, William J. Harrison
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Patent number: 6770433Abstract: A high-sensitive silver halide photographic light-sensitive material is provided. A silver halide photographic light-sensitive material comprising a dye having a plurality of dye chromophores, which contains at least one dye where at least one of the dye chromophores is a methine dye chromophore containing a basic nucleus comprising a monocyclic heterocyclic ring.Type: GrantFiled: January 11, 2002Date of Patent: August 3, 2004Assignee: Fuji Photo Film Co., Ltd.Inventor: Takanori Hioki
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Patent number: 6750002Abstract: A process for preparing a concentrated photographic spectral sensitizing dye-water composition which comprises adding an anionic sensitizing dye to an aqueous medium in the substantial absence of organic solvent, and agitating the combined dye and aqueous medium, wherein the anionic dye forms a liquid-crystalline dye phase in the aqueous medium and the agitation is performed in the presence of a nonionic surfactant having an HLB of less than 12 and an aqueous solubility at 25° C. of greater than 10 ppm, which nonionic surfactant is in the aqueous medium at a level of from 10 to 1000 ppm. In a specific embodiment of the invention, where the viscosity (at 0.1 s−1 shear rate) of the dye-water composition in the absence of the nonionic surfactant would be greater than 100 cp and especially where such viscosity would be greater than 500 cp, the surfactant is preferably present at a level sufficient to substantially reduce air entrainment during agitation of the dye-water composition.Type: GrantFiled: January 28, 2002Date of Patent: June 15, 2004Assignee: Eastman Kodak CompanyInventors: James E. Novak, Jeffrey S. Baugher, Dirk J. Hasberg, Lloyd A. Lobo
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Patent number: 6750003Abstract: A silver halide photographic material comprising a support and at least one photosensitive silver halide emulsion layer, wherein the emulsion layer comprises a compound represented by the following formula (1): Dye1-&Parenopenst;L1&Parenopenst;Dye2)m1)m2.CIy (1) wherein Dye1 represents a first chromophore; Dye2 represents a xanthene dye; L1 represents a linking group; m1 represents an integer of from 1 to 5; m2 represents an integer of from 1 to 5; CI represents an ion for neutralizing a charge; and y represents a number necessary for neutralizing the charge.Type: GrantFiled: March 20, 2003Date of Patent: June 15, 2004Assignee: Fuji Photo Film Co., Ltd.Inventor: Hiroo Takizawa
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Publication number: 20040110103Abstract: A colour photographic silver halide material comprising a substrate, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the silver halide crystals of the red-sensitive layer have a chloride content of at least 95 mol %, the cyan coupler corresponding to formula 1Type: ApplicationFiled: July 2, 2003Publication date: June 10, 2004Applicant: Agfa-Gevaert (Belgium)Inventors: Ralf Weimann, Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber, Heinz Wiesen
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Publication number: 20040038159Abstract: A silver halide photographic material comprising at least one methine dye of formula (I) and at least one coupler of formula (X): 1Type: ApplicationFiled: September 23, 2002Publication date: February 26, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Tetsuo Nakamura
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Patent number: 6692905Abstract: A silver halide photographic emulsion comprising a methine dye compound having in a molecule thereof at least one atomic group in which at least two groups selected from the group consisting of groups represented by formulas (I) and (II) are adjacent to each other or adjacent to each other through an atom: X—H (I) wherein X represents an atom electrically more negative than a carbon atom, Y (II) wherein Y represents an atom electrically more negative than a carbon atom, and has one or more lone electron pairs; and a silver halide photographic material comprising the silver halide photographic emulsion.Type: GrantFiled: May 4, 2001Date of Patent: February 17, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Katsumi Kobayashi, Takanori Hioki
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Publication number: 20030228544Abstract: A method for forming images on a silver halide color photographic photosensitive material having a substrate and photographic structural layers thereon, including, at least three silver halide color photosensitive layers having different photosensitive regions, respectively, and at least one non-photosensitive hydrophilic colloid layer is disclosed. At least one of the photosensitive layers contains 90 mol % or more of silver chloride. Shortly after the silver halide color photographic photosensitive material has been scan-exposed with laser beams, the material is rapid-processed with a low replenishing amount.Type: ApplicationFiled: April 14, 2003Publication date: December 11, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Naoto Ohshima, Akito Yokozawa, Naoya Shibata
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Patent number: 6649337Abstract: A heat-developable photosensitive material comprises: a support; a photosensitive silver halide; a non-photosensitive organic silver salt; a reducing agent for a silver ion; a binder; and a compound having specified structure.Type: GrantFiled: November 15, 2001Date of Patent: November 18, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Takanori Hioki, Katsumi Kobayashi
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Publication number: 20030198906Abstract: A silver halide photographic material comprising a support and at least one photosensitive silver halide emulsion layer, wherein the emulsion layer comprises a compound represented by the following formula (1):Type: ApplicationFiled: March 20, 2003Publication date: October 23, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Hiroo Takizawa
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Publication number: 20030190564Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer, wherein the emulsion layer contains at least one compound of formulae (Ia), (Ib) and (Ic) and at least one compound of formula (II): 1Type: ApplicationFiled: December 4, 2002Publication date: October 9, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Takanori Hioki, Tetsuo Nakamura
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Publication number: 20030157447Abstract: A silver halide photographic light-sensitive emulsion comprising a silver halide and a compound represented by the following Formula (I): 1Type: ApplicationFiled: July 19, 2002Publication date: August 21, 2003Inventors: Tatsuo Tanaka, Nobuaki Kagawa, Yoshiko Iwai, Tomohiro Oshiyama
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Patent number: 6607876Abstract: A radiographic silver halide film material and a radiographic screen/film combination has been disclosed, said material having in at least one light-sensitive layer thereof an emulsion comprising {111} tabular silver halide grains rich in silver bromide, spectrally sensitive to irradiation in the wavelength range between 540 and 555 nm by the presence of a combination of at least one J-aggregating spectrally sensitizing cyanine dye according to the formula (I) and of at least one additional cyanine dye providing a shift of maximum absorption wavelength of said combination of less than 10 nm versus in the absence thereof, wherein said additional cyanine dye is at least one monomethine cyanine dye according to the formula (II), essentially having a solubilizing group or a latent solubilizing group, said dyes having been given in the description and in the claims of the present invention.Type: GrantFiled: November 28, 2001Date of Patent: August 19, 2003Assignee: Agfa-GevaertInventors: Kathy Elst, Paul Callant, Ilse Mans
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Publication number: 20030138746Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein said emulsion layer contains a compound represented by the following formula (1):Type: ApplicationFiled: March 22, 2002Publication date: July 24, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Hiroo Takizawa
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Publication number: 20030134237Abstract: Methine dye compounds represented by formula (1) and highly sensitive silver halide photographic materials containing these compounds:Type: ApplicationFiled: July 11, 2002Publication date: July 17, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Katsumi Kobayashi
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Patent number: 6593075Abstract: A silver halide photographic light-sensitive material having at least one emulsion layer comprising silver halide grains, with the emulsion layer further comprising at least one compound represented by the following formula (I) and at least one compound represented by the following formula (II), (III), (IV-1), (IV-2), (V-1), (V-2), (V-3) or (VI): (X&Parenclosest;1&Parenopenst;L&Parenclosest;m&Parenopenst;A—B)n (I) (Het&Parenclosest;k1&Brketopenst;&Parenopenst;Q1&Parenclosest;k2&Parenopenst;Hy)]k3 (III) wherein the substituents as defined herein the specification.Type: GrantFiled: July 24, 2000Date of Patent: July 15, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinichi Ichikawa, Takeshi Suzumoto, Kohzaburoh Yamada, Tadashi Inaba
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Patent number: 6582894Abstract: A silver halide photographic emulsion is disclosed, comprising a silver halide grain having a spectral absorption maximum wavelength of less than 500 nm and a light absorption intensity of 60 or more or having a spectral absorption maximum wavelength of 500 nm or more and a light absorption intensity of 100 or more, wherein assuming that a maximum value of the spectral absorption factor of said emulsion by a sensitizing dye is Amax, the distance between the shortest wavelength showing 80% of Amax and the longest wavelength showing 80% of Amax is 20 nm or more and the distance between the shortest wavelength showing 50% of Amax and the longest wavelength showing 50% of Amax is 120 nm or less.Type: GrantFiled: March 10, 2000Date of Patent: June 24, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Takanori Hioki, Katsuhiro Yamashita, Katsumi Kobayashi, Takashi Katoh
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Publication number: 20030091943Abstract: A black-and-white photothermographic material that is sensitive at a wavelength greater than 700 nm, and comprises a support having thereon one or more thermally-developable imaging layers comprising a binder and in reactive association, a photosensitive silver halide, a non-photosensitive source of reducible silver ions, and a reducing composition for the non-photosensitive source reducible silver ions. The thermally-developable layers further comprises one or more indolenine dyes as post-processing stabilizing compounds and one or more merocyanine dyes or cyanine spectral sensitizing dyes that comprise one or more thioalkyl, thioaryl, or thioether groups.Type: ApplicationFiled: June 29, 2001Publication date: May 15, 2003Applicant: Eastman Kodak CompanyInventors: Steven H. Kong, Bryan V. Hunt, Wiliam D. Ramsden
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Publication number: 20030087210Abstract: Provided is a silver halide color photographic material having at least one yellow-coloring photosensitive silver halide emulsion layer, at least one magenta-coloring photosensitive silver halide emulsion layer, at least one cyan-coloring photosensitive silver halide emulsion layer, and at least one non-photosensitive non-coloring hydrophilic colloid layer on a reflective support, wherein, after being color developed, the reflection density A(&lgr;) at a wavelength of &lgr; nm in the non-exposed portion of the material is at most 0.07 at 450 nm, at most 0.09 at 550 nm and at most 0.07 at 650 nm and the mean grain size of the silver halide grains in the yellow-coloring photosensitive silver halide emulsion layer in the material is at most 0.70 &mgr;m.Type: ApplicationFiled: May 22, 2002Publication date: May 8, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Shinichi Nakahira, Shin Soejima, Hiroyuki Yoneyama, Naoya Shibata, Naoto Ohshima
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Patent number: 6558893Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith a combination of two or more dyes comprising: (a) a first dye which is a cyanine dye of formula Ia and has a net charge of zero or −1 wherein the substituents are as defined in the specification; (b) a second dye which has at least one substituent that has a positive charge, and is a cyanine dye a merocyanine dye, arylidene dye, complex cyanine dye, complex merocyanine dye, homopolar cyanine dye, hemicyanine dye, styryl dye, hemioxonol dye, oxonol dye, anthraquinone dye, triphenylmethane dye, azo dye type, azomethines, or a coumarin dye, with the proviso that if the second dye is a cyanine dye, it is of formula IIa: wherein the substituents are as defined in the specification; and wherein (c) the wavelength of maximum light absorption, in nanometers (nm), of the first dye and the waveleType: GrantFiled: November 17, 2000Date of Patent: May 6, 2003Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Andrei Andrievsky, Thomas L. Penner, William J. Harrison
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Patent number: 6548239Abstract: Disclosed is a photothermographic material containing a non-photosensitive silver salt and a photosensitive silver halide on a support, wherein the photosensitive silver halide is spectrally sensitized with a spectral sensitizing dye so that maximum spectral sensitivity wavelength could become longer than 730 nm and the conditions defined by the following formulas (1) and (2) and/or the conditions defined by the following formulas (3) and (4) could be satisfied: 300≧S(&lgr; max)/S(&lgr; max+30 nm)≧4.5 Formula (1) 30≧S(&lgr; max)/S(&lgr; max−30 nm)≧2 Formula (2) 300≧Abs.(&lgr; max)/Abs.(&lgr; max−30 nm)≧4.5 Formula (3) 30≧Abs.(&lgr; max)/Abs.(&lgr; max−30 nm)≧2 Formula (4) wherein, in the above formulas, &lgr;max denotes maximum spectral sensitivity wavelength, Abs.(&lgr;) denotes optical density at a wavelength of &lgr; and S(&lgr;) denotes spectral sensitivity at a wavelength of &lgr;.Type: GrantFiled: April 6, 2001Date of Patent: April 15, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Takahiro Goto
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Publication number: 20030068591Abstract: A high-sensitive silver halide photographic light-sensitive material is provided.Type: ApplicationFiled: January 11, 2002Publication date: April 10, 2003Inventor: Takanori Hioki
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Publication number: 20030068592Abstract: A silver halide photographic emulsion comprising grains, wherein 70% or more of the total projected area of the grains is occupied by silver halide grains each meeting requirements (a) to (d) belowType: ApplicationFiled: January 14, 2002Publication date: April 10, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yasushi Miyamoto, Toshihiro Nishikawa, Nobuyuki Haraguchi, Hideo Ikeda, Takayoshi Mori
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Patent number: 6531272Abstract: This invention comprises a multicolor photographic element comprising 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 layers comprises large tabular grains having an average circular diameter of greater than 2 &mgr;m and contains a fragmentable electron donating compound is of the formula: X—Y′ or a compound which contains a moiety of the formula —X—Y′; wherein X is an electron donor moiety, Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a prType: GrantFiled: January 25, 1999Date of Patent: March 11, 2003Assignee: Eastman Kodak CompanyInventors: James A. Friday, Joseph P. Pepe, Jeffrey C. Hansen, Annabel A. Muenter, Jerome R. Lenhard
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Patent number: 6518008Abstract: A multicolor photographic element comprising 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 silver halide emulsion layers contains a tabular grain silver halide emulsion having a halide content of at least 95% bromide and less than about 5% iodide, said iodide being substantially uniformly distributed in the silver halide grains of said emulsion, and said emulsion is sensitized with a fragmentable electron donor of the formula X—Y′ or an electron donor which contains an —XY′ moiety; whereinType: GrantFiled: January 25, 1999Date of Patent: February 11, 2003Assignee: Eastman Kodak CompanyInventors: James A. Friday, Roger A. Bryant, Annabel A. Muenter, Jerome R. Lenhard
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Publication number: 20030008248Abstract: This invention comprises a photographic element comprising at least one light-sensitive silver halide emulsion layer containing a fragmentable electron donating compound of the formula: X—Y′ or a compound which contains a moiety of the formula —X—Y′; whereinType: ApplicationFiled: January 5, 2001Publication date: January 9, 2003Applicant: Eastman Kodak CompanyInventors: Annabel A. Muenter, Steven P. Szatynski, Sharon G. Johnston
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Publication number: 20020192607Abstract: A chemically and spectrally-sensitized emulsion has been described, wherein said emulsion comprising (100) cubic silver halide grains with an average edge length of from 0.2 up to 1.5 &mgr;m, has been spectrally sensitized by addition at least three trimethine dyes: a main spectral sensitizer added in an amount of at least 85 mole % of all spectral sensitizers added, followed by adding a second spectral sensitizer in an amount of not more than 10 mole % and a third spectral sensitizer in an amount of at most 1 mole % wherein at least said main spectral sensitizer has two benzoxazole rings in its chemical structure, at least said third spectral sensitizer has two benzimidazole rings in its chemical structure and wherein the said second spectral sensitizer has a structure more sterically hindered than the structure of the other spectral sensitizers. A light-sensitive silver halide photographic film material coated with such emulsion and a radiographic screen/film combination has been described.Type: ApplicationFiled: March 4, 2002Publication date: December 19, 2002Inventors: Kathy Elst, Paul Callant
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Publication number: 20020168599Abstract: A silver halide photographic material is disclosed, comprising at least one silver halide emulsion layer provided on a support, the emulsion layer comprising a silver halide emulsion containing at least two sensitizing dyes represented by the following general formula (I): 1Type: ApplicationFiled: January 30, 2002Publication date: November 14, 2002Inventors: Tetsuo Nakamura, Kimiyasu Morimura, Takanori Hioki
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Patent number: 6479226Abstract: A silver halide color photographic light sensitive material is disclosed, comprising a support having on one side of the support at least two red-sensitive layers, at least two green-sensitive layers, at least two blue-sensitive layer and a light-insensitive layer, wherein at least one of the green-sensitive layers contains a green-sensitive silver halide emulsion exhibiting a sensitivity maximum at a wavelength of 525 to 540 nm and a sensitivity maximum at a wavelength of 550 to 565 nm.Type: GrantFiled: April 19, 2001Date of Patent: November 12, 2002Assignee: Konica CorporationInventor: Katsuhiko Heki
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Publication number: 20020155400Abstract: A compound represented by the following formula (1) and a silver halide photographic material containing the compound: 1Type: ApplicationFiled: August 31, 2001Publication date: October 24, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Hiroo Takizawa
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Patent number: 6465166Abstract: Compounds represented by formula (I) and silver halide photographic materials comprising these compounds: wherein Q1 represents a methine or polymethine group necessary for completing the compound as a methine dye; Z1 represents atoms necessary to complete a 5- or 6-membered nitrogen-containing heterocyclic ring, provided that Z1 may be condensed with a ring; L1 and L2 each represent a methine group; p1 represents 0 or 1; L represents a divalent linking group and Ar represents an aromatic group, provided that L or Ar contains at least one proton dissociative group as a substituent group or a part of the linkage or aromatic group and the proton dissociative group has a pKa value of from 3 to 12; M1 represents a counter ion for charge balance; and m1 represents a number of counter ions required for neutralizing charges on the molecule, and ranges from 0 to 10.Type: GrantFiled: November 22, 2000Date of Patent: October 15, 2002Assignee: Fuji Photo Film. Co., Ltd.Inventors: Katsumi Kobayashi, Takanori Hioki
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Publication number: 20020127503Abstract: A radiographic silver halide film material and a radiographic screen/film combination has been disclosed, said material having in at least one light-sensitive layer thereof an emulsion comprising {111} tabular silver halide grains rich in silver bromide, spectrally sensitive to irradiation in the wavelength range between 540 and 555 nm by the presence of a combination of at least one J-aggregating spectrally sensitizing cyanine dye according to the formula (I) and of at least one additional cyanine dye providing a shift of maximum absorption wavelength of said combination of less than 10 nm versus in the absence thereof, wherein said additional cyanine dye is at least one monomethine cyanine dye according to the formula (II), essentially having a solubilizing group or a latent solubilizing group, said dyes having been given in the description and in the claims of the present invention.Type: ApplicationFiled: November 28, 2001Publication date: September 12, 2002Inventors: Kathy Elst, Paul Callant, Ilse Mans
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Publication number: 20020127502Abstract: A heterocyclic compound corresponding to formula (I) 1Type: ApplicationFiled: November 5, 2001Publication date: September 12, 2002Inventor: Michael Missfeldt
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Publication number: 20020110764Abstract: The present invention provides a silver halide photographic material that is excellent in photographic speed as well as image graininess and exhibits low residual color even after rapid processing. The silver halide photographic material contains a compound represented by formula (I) and a compound represented by formula (II), as defined.Type: ApplicationFiled: March 26, 2001Publication date: August 15, 2002Inventors: Katsuhisa Ohzeki, Tetsuo Nakamura, Takanori Hioki
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Publication number: 20020106594Abstract: A heat-developable photosensitive material comprises: a support; a photosensitive silver halide; a non-photosensitive organic silver salt; a reducing agent for a silver ion; a binder; and a compound having specified structure.Type: ApplicationFiled: November 15, 2001Publication date: August 8, 2002Inventors: Takanori Hioki, Katsumi Kobayashi
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Publication number: 20020106593Abstract: Spectral sensitizing dyes represented by the following formulas (1) to (4) are disclosed; silver halide photographic materials and thermally developable photosensitive materials containing the dyes are also disclosed.Type: ApplicationFiled: February 28, 2000Publication date: August 8, 2002Inventors: Nobuaki Kagawa, Noriyasu Kita, Tatsuo Tanaka, Hiroshi Kashiwagi
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Publication number: 20020086250Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having thereon at least on light-sensitive halide emulsion layer, wherein the emulsion layer contains a compound represented by formula (1).Type: ApplicationFiled: April 26, 2001Publication date: July 4, 2002Inventors: Takashi Katoh, Hiroo Takizawa
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Publication number: 20020081542Abstract: Disclosed is a photothermographic material containing a non-photosensitive silver salt and a photosensitive silver halide on a support, wherein the photosensitive silver halide is spectrally sensitized with a spectral sensitizing dye so that maximum spectral sensitivity wavelength could become longer than 730 nm and the conditions defined by the following formulas (1) and (2) and/or the conditions defined by the following formulas (3) and (4) could be satisfied:Type: ApplicationFiled: April 6, 2001Publication date: June 27, 2002Inventor: Takahiro Goto
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Publication number: 20020076666Abstract: Disclosed is a compound represented by the following formula (I): 1Type: ApplicationFiled: November 1, 2001Publication date: June 20, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Katsumi Kobayashi, Takashi Katoh, Junji Nishigaki
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Publication number: 20020072019Abstract: A silver halide photographic light-sensitive material is disclosed, comprising at least one silver halide emulsion layer, wherein the silver halide grain contained in said emulsion layer is silver chloroiodide or silver chloroiodobromide having a silver chloride content of 90 mol % or more and a silver iodide content of 0.01 to 1.Type: ApplicationFiled: September 25, 2001Publication date: June 13, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Katsuhisa Ohzeki, Tetsuo Nakamura
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Publication number: 20020058216Abstract: Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I): 1Type: ApplicationFiled: August 17, 2001Publication date: May 16, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Tetsuo Nakamura, Takanori Hioki, Katsuhisa Ohzeki, Naoyuki Hanaki
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Publication number: 20020037484Abstract: A silver halide color photographic light-sensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a transparent support, wherein the transparent support is a plastic support having two surfaces undercoated with an undercoat solution containing at least one compound selected from the group consisting of a water-miscible organic solvent except for alcohols, a substituted phenol having a molecular weight of 200 or less, and a substituted acetic acid in which at least one hydrogen atom on a methyl group of acetic acid is substituted with a halogen atom, and at least one photosensitive emulsion layer contains a specific coupler.Type: ApplicationFiled: June 5, 2001Publication date: March 28, 2002Inventors: Naoto Matsuda, Hisashi Mikoshiba
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Publication number: 20020018974Abstract: A silver halide photographic emulsion is disclosed, which comprises at least one dye or sensitizing dye having at least one organic counter ion; and also a silver halide photographic emulsion layer containing the above dye or sensitizing dye and a method of producing the above silver halide photographic emulsion are disclosed.Type: ApplicationFiled: June 26, 2001Publication date: February 14, 2002Inventors: Takanori Hioki, Noboru Hikichi