Patents Examined by Travis Brown
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Patent number: 4464462Abstract: A silver halide photographic light-sensitive material having improved antistatic properties is disclosed. The material is comprised of a support having thereon a light-senstive silver halide emulsion layer and a light-insensitive layer. The material includes (A) a flourine containing cationic surface active agent and (B) an ultraviolet ray absorbing polymer latex which comprises a polymer or a copolymer having a repeating unit derived from a monomer represented by the following general formula (I): ##STR1## within the formula (I) the Q is an ultraviolet ray absorbing group represented by the following general formula (II) or (III): ##STR2## the substituents within the formulae shown are defined within the specification. The ultraviolet ray absorbing polymer latex is present in the material in an amount in the range of 10 to 2,000 mg/m.sup.2 of the material.Type: GrantFiled: July 29, 1983Date of Patent: August 7, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Naohiko Sugimoto, Tetsuro Kojima, Yasuo Mukunoki
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Patent number: 4464464Abstract: The color yield and color granularity of color photographic recording materials is improved by using compounds of the general formula I as the sole or as additional oil formers in coupler-containing internal layers. The effect is particularly clear in layers having the small amount of gelatine. ##STR1## wherein: R.sup.1 is an aliphatic group having at least 8 carbon atoms,R.sup.2 is hydrogen or alkyl,R.sup.3 is a heterocyclic group or --(X).sub.n --R.sup.4,R.sup.4 is aryl,X is --O--, --NH--, --NCH.sub.3 --, or --CH.dbd.CH--,m is 0, 1 or 2, andn is 0 or 1.Type: GrantFiled: July 26, 1982Date of Patent: August 7, 1984Assignee: Agfa-Gevaert AktiengesellschaftInventors: Reinhart Matejec, Fritz Nittel, Johannes Sobel
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Patent number: 4463086Abstract: There are disclosed a light-sensitive silver halide color photographic material having a light-sensitive silver halide emulsion layer containing at least one kind of cyan dye forming couplers represented by the formula [I] or the formula [II] as defined in the specification provided on a reflective support, and a light-sensitive silver halide color photographic material further having a green-sensitive silver halide emulsion layer containing at least one kind of magenta couplers represented by the formula [III] as defined in the specification.The light-sensitive silver halide color photographic materials according to this invention have excellent color forming characteristics and form very fast dyes to heat, light and humidity.Type: GrantFiled: August 5, 1983Date of Patent: July 31, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takashi Sasaki, Yutaka Kaneko, Fumio Ishii, Yasuo Tsuda, Kazuhiko Kimura, Katsunori Kato
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Patent number: 4463085Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material containing at least one kind of 2-equivalent magenta coupler represented by the following general formula (Ia): ##STR1## wherein Ar represents phenyl substituted with at least one halogen, alkyl, alkoxy, alkoxycarbonyl or cyano; Y represents acylamino or anilino; and Z represents a group capable of being released by coupling, and at least one kind of piperidine compound represented by the following general formula (II): ##STR2## wherein R.sub.1 represents hydrogen or alkyl; R.sub.2 represents alkyl, hydroxyalkyl, alkenyl alkynyl or benzyl; W represents hydrogen, alkyl, hydroxy, silyloxy, alkylamino, aryloxy, allyl, alkoxy, acylamino, sulfonamido, alkoxycarbonyl, carboxy, acyloxy or phosphoric acid oxy.Type: GrantFiled: December 14, 1982Date of Patent: July 31, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Akio Mitsui, Masakazu Morigaki
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Patent number: 4458011Abstract: The present invention relates to compounds of the type comprising a ballasting group which renders said compounds substantially fast to diffusion in hydrophilic colloid media and at least one photographically useful group which is chemically linked to said ballasting group, and to photographic elements containing at least one compound of the type referred to.The ballasting groups in the compounds according to the present invention are derived from mono- or di-esters or -ethers of glycerol. The linkage between ballasting group and photographically useful group can be realized via acid chlorides which are derived from the above-said glycerol derivatives.Type: GrantFiled: October 29, 1982Date of Patent: July 3, 1984Assignee: AGFA-Gevaert, N.V.Inventors: Christian C. Van de Sande, Jan J. Vandewalle, Marcel J. Monbaliu, Raphael K. Van Poucke
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Patent number: 4458009Abstract: Color photographic images are produced by decomposing hydrogen peroxide on nuclei present in imagewise distribution and bleaching out a dye by the hydrogen peroxide on those parts of the image where no such nuclei are present.Type: GrantFiled: January 10, 1983Date of Patent: July 3, 1984Assignee: Agfa-Gevaert AktiengesellschaftInventors: Edith Weyde, Wilhelm Saleck, Hubertus Psaar, Anita von Konig, Hans hlschlager
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Patent number: 4458010Abstract: A process for bleaching color photographic sensitive materials and color photographic sensitive materials are disclosed. The process comprises bleaching the silver halide color photographic sensitive materials which are comprised of a support base, a silver halide emulsion layer, and a compound represented by the general formula (I) or strong acid salts thereof in a layer which does not substantially form silver salts of said compounds with a treating solution containing persulfate after being exposed to the light and carrying out color development: ##STR1## wherein M represents a hydrogen atom, an alkali metal atom, an alkaline earth metal, a quaternary ammonium group, a quaternary phosphonium group, an amidino group or ##STR2## R.sup.1 and R.sup.2 each represents a hydrogen atom or an aliphatic group, and m represents an integer of 2 to 4. The bleaching process effectively bleaches color sensitive materials having a high silver content and/or a colloidal silver layer without creating a bad odor.Type: GrantFiled: November 12, 1982Date of Patent: July 3, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyohiko Yamamuro, Shigeo Hirano, Yasuo Iwasa
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Patent number: 4458012Abstract: Disclosed is a light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-sensitive silver halide emulsion layer contains a cyan coupler represented by formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains a colored cyan coupler represented by the formula [II]: ##STR1## wherein X, R.sub.1 and R.sub.2 are as defined in the specification; ##STR2## wherein (Coup--).sub.c, L, Q.sub.1, Q.sub.2, M, j, and G are as defined in the specification.Type: GrantFiled: February 22, 1983Date of Patent: July 3, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kenji Ito, Satoru Shimba, Yasuo Tsuda, Hiroshi Sugita
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Patent number: 4456681Abstract: A color photographic material comprising on a support a first silver halide emulsion layer containing a yellow coupler, a second silver halide emulsion layer containing a magenta coupler, a third silver halide emulsion layer containing a cyan coupler, said third emulsion layer being positioned farthest from the support, a first non-light-sensitive layer formed on one side of said third emulsion layer opposite to the support, and a second non-light-sensitive layer formed on the other side of said third emulsion layer, at least said first non-light sensitive layer containing a UV absorber.Type: GrantFiled: May 27, 1983Date of Patent: June 26, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takashi Kadowaki, Kaoru Onodera
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Patent number: 4456667Abstract: The tamperproof document consists of a photographic material as information carrier which is laminated on one or both sides with a transparent foil. The foil is attached to the surface of the information carrier by a layer of adhesive containing poly-1,2-alkyleneimine. The document is eminently saft against falsification.Type: GrantFiled: July 26, 1982Date of Patent: June 26, 1984Assignee: Agfa-Gavaert AktiengesellschaftInventors: Richarda Bochow, Helmut Bergmann, Siegfried Eikemeier
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Patent number: 4456668Abstract: Azo dyes of the formula ##STR1## in which X.sub.1 and X.sub.2 independently of one another are alkyl, cycloalkyl, alkenyl, aryl or aralkyl, Y.sub.1 is hydrogen or alkyl, Y.sub.2 is hydrogen, alkyl, alkenyl or aryl or together with Y.sub.1 stands for the atoms required to complete a ring, Z.sub.1 is hydrogen, alkyl, alkenyl, alkoxy, aryl, aryloxy, alkylmercapto, arylmercapto, halogen, cyano, carbalkoxy or stands for the atoms which together with Y.sub.1 form a ring, and D.sub.1 is the radical of a heterocyclic azo component such as a thienyl, thiazolyl, benzthiazolyl, pyrazolyl or imidazolyl radical, or is phenyl optionally substituted by alkyl, cycloalkyl, alkoxy, alkenyl, electronegative substituents such as halogen, cyano, nitro or carboxylic acyl, alkyl- or phenylsulfone or N-alkyl or N,N-dialkyl-substituted sulfonamido, can be used as image dyes in photographic silver dye-bleach materials, or for dyeing textile materials.Type: GrantFiled: September 29, 1982Date of Patent: June 26, 1984Assignee: Ciba Geigy AGInventors: John Lenoir, Gerald Jan
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Patent number: 4455369Abstract: A method of creating designs and images on a color photographic sheet. The sheet is selectively exposed by passing light beams of preselected colors, i.e. preselected wave length ranges over selected areas thereof under darkroom conditions. Thereafter the sheet is processed by conventional photographic techniques to develop the images.Type: GrantFiled: October 19, 1982Date of Patent: June 19, 1984Inventor: Norina M. Purro
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Patent number: 4455359Abstract: The tamper-proof document consists of a photographic material as information carrier comprising front- and back gelatine layers, the outer of the gelatine layers of which contain particles of a homo- or copolymer of an acrylic and/or methacrylic acid ester. The information carrier is laminated on one or both sides to a transparent foil by means of a hardenable adhesive. The document is remarkably safe against falsification.Type: GrantFiled: July 26, 1982Date of Patent: June 19, 1984Assignee: Agfa-Gevaert AktiengesellschaftInventors: Walter Patzold, Werner Verburg, Harald von Rintelen
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Patent number: 4455366Abstract: A silver halide color, photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is a polymer or copolymer having a repeating unit derived from a monomer represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydroden atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; R.sub.2 represents a hydrogen atom or an unsubstituted or substituted alkyl group having from 1 to 4 carbon atoms; A.sub.1 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain; A.sub.2 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain, an unsubstituted or substituted aralkylene group or an unsubstituted or substituted phenylene group; B.Type: GrantFiled: June 6, 1983Date of Patent: June 19, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Tsumoru Hirano, Makoto Umemoto, Morio Yagihara
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Patent number: 4455367Abstract: A silver halide color photographic light-sensitive material containing particles of a coupler solution, comprising a cyan dye forming coupler represented by the following general formula (I) ##STR1## wherein A represents a cyan coupler residue, but the --NHCO-- group does not bond to A in the active position of A; R.sup.1 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; R.sup.2 represents a hydrogen atom or a substituted or unsubstituted alkyl group; R.sup.3 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; and n represents an integer of 1 to 3, and when n is 2 or more R.sup.3 may be the same or different, and a coupler solvent having a dielectric constant of 2.5 to 5. The silver halide color photographic light-sensitive material provides a color image having good fastness to heat and light as well as excellent color reproducibility.Type: GrantFiled: April 19, 1982Date of Patent: June 19, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Seoka, Kozo Aoki
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Patent number: 4454225Abstract: A color photographic light-sensitive material comprising a support having thereon a green-sensitive silver halide emulsion layer containing a magenta dye forming coupler represented by the following general formula (I) ##STR1## wherein R.sup.4 represents a halogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted alkoxy group; R.sup.5 represents a hydrogen atom, a halogen atom, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group or a substituted or unsubstituted acylamino group; R.sup.6 represents a hydrogen atom, a halogen atom or a mono-valent organic residue; X represents a hydrogen atom or a group capable of being released upon coupling and exhibiting a two-equivalent property; and n represents an integer from 1 to 5 and when n represents 2 or more, R.sup.Type: GrantFiled: June 1, 1982Date of Patent: June 12, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Sakai, Yoshio Seoka, Kozo Aoki
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Patent number: 4452884Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, an interlayer and/or a protective layer, contains at least one polyalkylpiperidine compound of the formula I ##STR1## as a light stabilizer. Color images obtained by imagewise exposure and development of this color-photographic recording material display good stability to the action of visible and ultra-violet light.With respect to the definitions of the substituents and symbols in formula I, reference is made to the specification.Type: GrantFiled: December 17, 1982Date of Patent: June 5, 1984Assignee: Ciba-Geigy AGInventor: David G. Leppard
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Patent number: 4451558Abstract: A silver halide color photographic light-sensitive material containing a phenol cyan coupler having an ureido group in the 2-position dispersed in a phthalic ester.Type: GrantFiled: June 2, 1983Date of Patent: May 29, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroshi Sugita, Satoshi Kawakatsu, Yutaka Kaneko
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Patent number: 4451561Abstract: A heat-development-type image recording material comprising an organic silver salt, a reducing agent, a binder, and an amido derivative of a 5-mercapto-1,2,4-triazole or a 5-mercapto-1,3,4-thiadiazole.Type: GrantFiled: April 22, 1983Date of Patent: May 29, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeto Hirabayashi, Toyoaki Masukawa, Wataru Ishikawa, Tetsuya Harada
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Patent number: 4451557Abstract: Photographic silver halide emulsions show increased speed and reduced latent image fading when a compound of the following structure is incorporated: ##STR1## wherein: X is --O--, --S--, --Se--, or ##STR2## Y.sup.1 and Y.sup.2 individually represent hydrogen or an aromatic nucleus or together represent the atoms completing a fused aromatic nucleus;Z is ##STR3## R is hydrogen or lower alkyl of from 1 to 5 carbon atoms; and R.sup.1 is hydrogen or methyl.Type: GrantFiled: February 14, 1983Date of Patent: May 29, 1984Assignee: Eastman Kodak CompanyInventors: Roger Lok, John P. Freeman, William N. Baum