Monoazo Patents (Class 430/562)
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Patent number: 4294919Abstract: A direct positive silver halide photographic light-sensitive material is described, comprising a support having coated thereon a light-sensitive silver halide photographic emulsion layer and a hydrophilic colloid layer, at least one of said layers containing a compound represented by the formula (I): ##STR1## wherein R.sup.1 represents R.sup.6 or R.sup.6 CO--; and R.sup.6 represents an aliphatic group, an aromatic group, a heterocyclic aromatic group or hydrogen; R.sup.2 and R.sup.4, which may be the same or different, each represents an aliphatic group, an aromatic group, a heterocyclic aromatic group or a hydrogen atom; or R.sup.1 and R.sup.2 together can form a ring; R.sup.3 represents hydrogen or an aliphatic group; R.sup.5 represents Y or X--A--Y wherein X and Y, which may be the same or different, each represents a divalent aromatic group; and A represents a divalent group selected from --CONH--, --NHCONH--, --SO.sub.2 NH--, --B--CONH-- and --B--SO.sub.Type: GrantFiled: June 6, 1980Date of Patent: October 13, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuyuki Tsujino, Shigeo Hirano
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Patent number: 4287292Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable 6-arylazo-3-pyridinol magenta dye moiety or precursor thereof having the formula: ##STR1## wherein: (a) R represents hydroxy or amino;(b) R.sup.1 represents hydrogen, a hydrolyzable moiety or CAR;(c) G represents carboxy; a hydrolyzable ester or a sulfamoyl group;(d) CAR represents a ballasted carrier moiety capable of releasing the diffusible 6-arylazo-3-pyridinol dye moiety or precursor thereof under alkaline conditions; and(e) n is 0, 1 or 2, with the proviso that when n is 0, then R.sup.1 is CAR.Type: GrantFiled: August 1, 1980Date of Patent: September 1, 1981Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, James A. Reczek
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Patent number: 4276373Abstract: A photosensitive recording material containing at least one silver halide layer and an azo dye is disclosed.Type: GrantFiled: March 19, 1980Date of Patent: June 30, 1981Assignee: AGFA-Gevaert, A.G.Inventors: Hans Ohlschlager, Lothar Rosenhahn, Wolfgang Sauerteig
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Patent number: 4268606Abstract: Novel azo dye-providing compounds and photographic elements containing such compounds are described. The present compounds contain a carrier moiety which, as a function of oxidation under alkaline conditions, provides a substance having a mobility different than that of the starting compound.Type: GrantFiled: February 6, 1976Date of Patent: May 19, 1981Assignee: Eastman Kodak CompanyInventors: Jan R. Haase, Richard A. Landholm, James J. Krutak, Sr.
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Patent number: 4268624Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a dye image providing material represented by the following general formula: ##STR1## wherein Q.sup.1 represents a hydrogen atom, a halogen atom, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom or an alkyl group, an aralkyl group or an aryl group; and R.sup.3 and R.sup.4 may combine directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or a benzyl group; a carboxy group, a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group, a phenyl group or a substituted phenyl group or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.Type: GrantFiled: November 1, 1978Date of Patent: May 19, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinsaku Fujita, Tooru Harada, Yoshinobu Yoshida
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Patent number: 4268625Abstract: A photographic light-sensitive element for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer with at least one of the silver halide emulsion layers having associated therewith a dye releasing redox compound represented by the following general formula:D-Redox Moietywherein D represents a dye moiety and Redox Moiety represents a group represented by the following general formula (I): ##STR1## wherein X.sup.1 represents an --SO.sub.2 -- group or a --CO-- group; R.sup.1 represents an unsubstituted straight chain alkylene group having 2 or more carbon atoms or an unsubstituted branched chain alkylene group having 2 or more carbon atoms with the proviso the branched chain alkylene group is incapable of forming an acetal linkage; R.sup.2 represents an alkyl group; and Y represents an o- or p-hydroxyarylsulfamoyl group having a ballast group bonded thereto.Type: GrantFiled: December 4, 1979Date of Patent: May 19, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinsaku Fujita, Hidetoshi Hayashi, Shigetoshi Ono, Yoshinobu Yoshida, Tooru Harada
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Patent number: 4267253Abstract: There are described novel magenta 1:1 chrome-complexed dye developers which are particularly useful in photographic products and processes. These novel magenta dye developers are ionic salts which include a cation and a colorless ligand which is a radical of an iminodiacetic acid.Type: GrantFiled: March 21, 1980Date of Patent: May 12, 1981Assignee: Polaroid CorporationInventor: Elbert M. Idelson
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Patent number: 4267252Abstract: There are described novel magenta chrome complexed dye developers which are particularly useful in photographic products and processes. These novel magenta dye developers are zwitterionic compounds which include an onium salt such as a quaternary ammonium salt and a colorless ligand which is a radical of an iminodiacetic acid.Type: GrantFiled: March 21, 1980Date of Patent: May 12, 1981Assignee: Polaroid CorporationInventor: Elbert M. Idelson
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Patent number: 4258120Abstract: A nondiffusible sulfonamido compound which is alkali-cleavable upon oxidation to release a diffusible photographically useful material, said nondiffusible sulfonamido compound having the formula: ##STR1## wherein: (a) R.sup.1 is alkyl, aryl sulfamyl, carbamyl, carbonamido, carbonyl, carbonyloxy or sulfonamido;(b) R.sup.2 is alkyl having from 1 to 18 carbon atoms, aryl, or alkylphenyl having from 7 to 12 carbon atoms;(c) R.sup.3 and R.sup.4 are independently alkyl, or aryl, or R.sup.3 and R.sup.4, taken together, form a fused carbocyclic or heterocyclic ring;(d) NHSO.sub.2 PUG represents a sulfonamido group;(e) PUG represents a photographically useful group; and(f) at least one of R.sup.1, R.sup.2, R.sup.3, or R.sup.Type: GrantFiled: April 24, 1979Date of Patent: March 24, 1981Assignee: Eastman Kodak CompanyInventors: Claude F. Gerbal, Thomas E. Gompf, Pierre D. Collet
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Patent number: 4256831Abstract: A light-sensitive photographic element comprising a support and at least one light-sensitive silver halide emulsion layer coated thereon having associated therewith a magenta image dye-providing compound which releases a magenta dye or a precursor thereof corresponding to the imagewise exposure of said emulsion layer, said magenta dye-providing compound being a compound represented by formula [I]: ##STR1## wherein Car represents a carrier moiety which can be oxidized under alkaline conditions to release a diffusible dye or a precursor thereof from said compound;R.sup.1 and R.sup.2, which may be the same or different, independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms (provided that the total sum of carbon atoms in R.sup.1 and R.sup.2 does not exceed 5), or R.sup.1 and R.sup.Type: GrantFiled: August 22, 1979Date of Patent: March 17, 1981Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masaru Kanbe, Kazumasa Watanabe, Morito Uemura, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi
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Patent number: 4255509Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (1): ##STR1## wherein Q.sup.1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom, or an alkyl group, m represents 0 or 1, R.sup.4 represents a hydrogen atom or R.sup.4a wherein R.sup.4a represents an alkyl group, an aralkyl group or a phenyl group, and R.sup.3 and R.sup.4 may combined directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.Type: GrantFiled: June 11, 1979Date of Patent: March 10, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigetoshi Ono, Tooru Harada, Shinsaku Fujita, Yoshinobu Yoshida
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Patent number: 4250238Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel dye developer compound having a dye moiety such as an arylazopyrazolotriazole. The compound contains:(a) a nitrogen atom in a metal chelating location in at least one of the rings attached to the azo group;(b) in the ortho position of the arylazo moiety a metal chelating group (or a salt thereof or a hydrolyzable precursor thereof), and(c) a silver halide developer moiety.The dye developer is transferred imagewise to an image-receiving layer where it is contacted with metal ions to form a metal-complexed dye developer transfer image of excellent stability.Type: GrantFiled: October 1, 1979Date of Patent: February 10, 1981Assignee: Eastman Kodak CompanyInventors: Brian D. Baigrie, Joseph Bailey, Linda G. Johnston, Miroslav V. Mijovic
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Patent number: 4250246Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a magenta dye releasing redox (DRR) compound.Type: GrantFiled: June 25, 1979Date of Patent: February 10, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Isamu Itoh, Yoshinobu Yoshida
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Patent number: 4248956Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel dye developer compound having a dye moiety such as an arylazo-pyrazolotriazole. The compound contains:(a) a nitrogen atom in a metal chelating location in at least one of the rings attached to the azo group;(b) in the ortho position of the arylazo moiety a metal chelating group (or a salt thereof or a hydrolyzable precursor thereof), and(c) a silver halide developer moiety.The dye developer is transferred imagewise to an image-receiving layer where it is contacted with metal ions to form a metal-complexed dye developer transfer image of excellent stability.Type: GrantFiled: March 2, 1979Date of Patent: February 3, 1981Assignee: Eastman Kodak CompanyInventors: Brian D. Baigrie, Joseph Bailey, Linda G. Johnston, Miroslav V. Mijovic
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Patent number: 4247629Abstract: A light-sensitive photographic element comprising a support and at least one light-sensitive silver halide emulsion layer coated thereon having associated therewith a cyan image dye-providing compound which releases a cyan dye or a precursor thereof corresponding to the imagewise exposure of said emulsion layer, said cyan image dye-providing compound being a compound represented by formula [I] or [II]: ##STR1## wherein Car, R.sup.1, R.sup.2, X, Y.sup.1, Y.sup.2, m, J.sup.1 and J.sup.2 are defined in the specification and claims.Type: GrantFiled: August 22, 1979Date of Patent: January 27, 1981Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masaru Kanbe, Kazumasa Watanabe, Morito Uemura, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi
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Patent number: 4245028Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer with at least one of said silver halide emulsion layers having associated therewith a compound represented by the following general formula (I): ##STR1## wherein Q represents a cyano group, a trifluoromethyl group or a carbamoyl group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom, an alkyl group, an aralkyl group or an aryl group; and R.sup.3 and R.sup.4 may combine directly or through an oxygen atom to form a ring; M represents a hydrogen atom, an alkyl group, an alkoxy group, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4, wherein R.sup.3 and R.sup.4 are as defined above, a group represented by the formula --COOR.sup.5 wherein R.sup.Type: GrantFiled: February 21, 1979Date of Patent: January 13, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinsaku Fujita, Tooru Harada, Katsusuke Endo
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Patent number: 4242435Abstract: For the production of cyan and magenta images by the dye diffusion transfer process dye-providing compounds of the formula I are suitable ##STR1## in which A=an oxydizable carrier residue containing a diffusion-preventing radical;n= 0 or 1;P=a monocyclic aromatic radical;M=hydrogen, halogen, alkyl sulfonyl, aryl sulfonyl or sulfamoyl;Q=acylamino;R.sup.1 =hydrogen or a hydrolyzable radical.Type: GrantFiled: February 9, 1979Date of Patent: December 30, 1980Assignee: AGFA-Gevaert, A.G.Inventors: Walter Puschel, Hans Vetter, Paul Marx
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Patent number: 4235957Abstract: In a dry physical development photothermographic element for a dry thermal silver-dye bleach process wherein the element comprises a silver halide complexing concentration of a silver halide complexing agent improvements are provided when the complexing agent is an organic ammonium chloride, bromide or iodide. After imagewise exposure of the element, a dye image can be produced by uniformly heating the element. Improvements are also produced by providing a dry activator element for producing a dye image in a separate photographic element by means of a dry physical development thermal dye-bleach process, wherein the activator element comprises a support having thereon a layer comprising a synthetic hydrophobic polymeric binder, a silver halide complexing concentration of a silver halide complexing agent, as described, a bleachable dye and a thermal solvent.Type: GrantFiled: January 25, 1979Date of Patent: November 25, 1980Assignee: Eastman Kodak CompanyInventors: Carl F. Kohrt, Roland G. Willis
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Patent number: 4218368Abstract: Aromatic nitro compounds are disclosed where the aromatic ring contains electron-withdrawing groups and said aromatic nitro compound is capable of undergoing intramolecular nucleophilic displacement after reduction of the nitro group. The compounds are especially useful in photographic elements where an image dye-providing material or a photographic reagent are released upon cleavage from the compound.Type: GrantFiled: July 26, 1978Date of Patent: August 19, 1980Assignee: Eastman Kodak CompanyInventors: Jerald C. Hinshaw, Richard P. Henzel
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Patent number: 4195992Abstract: Non-diffusible dye-providing components which may be used in association with a silver halide emulsion layer and on development yield diffusible yellow dyes of improved light fastness are cyanalkyl aminoazo dyes of the formula ##STR1## in which A.sup.1 represents oxidizable carrier residue;D represents a heterocyclic or carbocyclic aromatic residue completing an azo dye; and1, m and n are 0 or 1 such that1+m+n=1;and r represents an integer of from 1 to 4.Type: GrantFiled: July 18, 1978Date of Patent: April 1, 1980Assignee: Agfa-Gevaert AktiengesellschaftInventors: Rudolf Stolzenburg, Paul Marx, Walter Puschel
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Patent number: T994003Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have an electron withdrawing group in one of the positions ortho to the phenolic hydroxy group and a carbamoyl electron withdrawing group in the other position ortho to the phenolic hydroxy group.Type: GrantFiled: September 21, 1979Date of Patent: May 6, 1980Inventor: Kenneth N. Kilminster