Additional Developer Containing Patents (Class 430/468)
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Patent number: 11858929Abstract: Provided are compounds, compositions and methods for inhibiting fascin activity or treating a condition or disorder mediated by fascin activity in a subject in need thereof.Type: GrantFiled: February 16, 2021Date of Patent: January 2, 2024Assignees: CORNELL UNIVERSITY, NOVITA PHARMACEUTICALS, INC.Inventors: Xin-Yun Huang, Christy Young Shue
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Patent number: 8498778Abstract: A turn signal control system for use with a right turn signal and a left turn signal of a motor vehicle and a vehicle navigation system is provided. The turn signal system includes a processor configured to be operably coupled to the vehicle navigation system. The processor is configured to receive map data and route data from the vehicle navigation system. The processor is configured to determine a turn zone of the vehicle based on a set of criteria. A turn signal controller is operably coupled to the processor and configured to activate one of the right and left turn signals when the vehicle is in the turn zone. A method of controlling a right and left turn signal is also provided.Type: GrantFiled: April 21, 2011Date of Patent: July 30, 2013Assignee: Continental Automotive Systems, IncInventors: Shafer Seymour, Robert Gee
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Patent number: 7172854Abstract: A color developer solution is disclosed, comprising p-phenylenediamine type color developing agents, wherein 2% to 35% by weight of the p-phenylenediamine color developing agents is accounted for by a N-hydroxyalkyl-substituted p-phenylenediamine color developing agent, and the color developer solution further comprising a compound represented by the following formula (1) or (2):Type: GrantFiled: November 3, 2004Date of Patent: February 6, 2007Assignee: Konica Minolta Photo Imaging, Inc.Inventor: Satoru Kuse
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Patent number: 6288227Abstract: Compounds represented by Structure I wherein R is carboxy or sulfo, m is an integer of from 0 to 7 and n is an integer of from 2 to 5 as useful in concentrated aqueous photographic processing compositions.Type: GrantFiled: October 5, 2000Date of Patent: September 11, 2001Assignee: Eastman Kodak CompanyInventors: Ramanuj Goswami, Jean M. Buongiorne, Mary E. Craver
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Patent number: 5994037Abstract: Color photographic elements, especially color photographic papers, can be more rapidly color developed (up to 25 seconds) in the presence of a color developing solution containing a selectively diffusible color development photochemical such as a development inhibitor. Despite the shortened processing time, color balance within the three color records of such elements is maintained. The selectively diffusible color development photochemical has size and structure that enables it to have sufficient solubility in the color developing composition, and to selectively diffuse into the topmost red-sensitive emulsion layers of the processed color papers only.Type: GrantFiled: October 21, 1998Date of Patent: November 30, 1999Assignee: Eastman Kodak CompanyInventors: Peter J. Twist, John D. Goddard
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Patent number: 5491050Abstract: A method of processing an exposed originating silver halide color photographic element comprising developing the photographic element in a color devoloper containing a p-phenylenediamine color developing agent in the presence of a 1-phenyl pyrazolidin-3-one compoundwherein the originating silver halide photographic element comprises a radiation sensitive emulsion in reactive association with a development inhibitor releasing compound and containing a silver halide grain population comprised of grains comprising at least 50 mole percent silver chloride, based on total silver forming the grain population projected area, wherein at least 50 percent of total grain projected area is accounted for by intrinsically stable silver halide tabular grains(1) bounded by {100} major faces having adjacent edge ratios of less than 10 and(2) each having an average aspect ratio of at least 2, and wherein the silver halide content of the photographic element comprises at least 50 mole % silver chloride and no more than 2 mole %Type: GrantFiled: February 9, 1994Date of Patent: February 13, 1996Assignee: Eastman Kodak CompanyInventors: Thomas B. Brust, Sharon Gould, James E. Sutton, Richard P. Szajewski
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Patent number: 5409805Abstract: A solid processing agent for a silver halide photographic light-sensitive material is disclosed, which comprises a compound represented by the following Formula (I): ##STR1## wherein R.sub.1 represents a halogen atom, an alkyl group or an alkenyl group, provided that a plural of R.sub.1 's may be the same or different; R.sub.2 represents a halogen atom, an alkyl group, an alkenyl group or an alkoxy group; R.sub.3 represents a lower alkyl group, provided that R.sub.1, R.sub.2 and R.sub.3 may be the same or different, m and n each represent an integer of 0 to 5; and X represents an anion.Type: GrantFiled: July 14, 1994Date of Patent: April 25, 1995Assignee: Konica CorporationInventors: Tsuyoshi Haraguchi, Hiroaki Kobayashi
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Patent number: 5354646Abstract: A method of colour-developing a silver halide colour light-sensitive material having plural silver halide emulsion layers each containing substantially silver chlorobromide. At least one of the layers has a silver chloride content of not less than 20 mol %, and a colour developer being used in the colour developing method contains the compounds each represented by the following formula [I]: ##STR1## According to the processing method, a colour photographic image having a satisfactory colour density can be obtained by a rapid development process and the excellent preservability for a long standing of the colour developer can be displayed.Type: GrantFiled: March 7, 1994Date of Patent: October 11, 1994Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Masao Ishikawa, Masayuki Kurematsu, Yoko Matsushima
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Patent number: 5110713Abstract: A method for continuously processing silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent is disclosed. In the method a silver halide color photographic material at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride is processed in the presence of a specific heterocyclic compound, after exposure to light, with a color developer that is substantially free from sulfite ions and whose replenishing amount is 120 ml or below per m.sup.2 of the silver halide photographic material, to attain desired photographic characteristics.Type: GrantFiled: March 27, 1991Date of Patent: May 5, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuaki Yoshida, Takatoshi Ishikawa
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Patent number: 5077180Abstract: A method for continuously processing silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent is disclosed. In the method a silver halide color photographic material at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride is processed, after exposure to light, with a color developer that is substantially free from sulfite ions and whose replenishing amount is 120 ml or below per m.sup.2 of the silver halide photographic material, to attain desired photographic characteristics.Type: GrantFiled: March 4, 1991Date of Patent: December 31, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuaki Yoshida, Takatoshi Ishikawa
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Patent number: 5064751Abstract: A method for processing a silver halide color photographic material including the step of developing the silver halide color photographic material with a color developing solution containing at least one aromatic primary amine developing agent and at least one hydrazide represented by the following formula (I) or (II)R.sup.1 --X.sup.1 --NHNH--R.sup.2 (I)in whichX.sup.1 represents --CO--, --SO.sub.2 -- or ##STR1## R.sup.1 represents a hydroxyl group, a hydroxyamino group, carbamoyl group, a hydrazinocarbonyl group, an amino group, or a hydrazino group; and R.sup.2 represents a hydrogen atom, an alkyl group, or an aryl group; provided that the R.sup.1 or R.sup.2 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide.R.sup.3 --X.sup.2 --NHNH--R.sup.4 (II)in whichX.sup.2 represents --CO-- or --SO.sub.2 --; R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, or an aryloxy group; and R.sup.Type: GrantFiled: January 23, 1991Date of Patent: November 12, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobutaka Ohki, Kazuto Andoh, Hideaki Naruse, Hiroshi Fujimoto, Jiro Tsukahara, Morio Yagihara, Takatoshi Ishikawa
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Patent number: 4997749Abstract: True-to-type development without any overflow is achieved with a developer solution system of a refill solution and--replenished therewith--a ready-to-use developer solution which contains the following constituents in the quantities indicated per liter aqueous solution and, optionally, other typical consituents:3-15 g of the following color developer compound ##STR1## or a corresponding quantity of salts thereof, 8-35 g PO.sub.4.sup.3 ions,at least 0.2 g antioxidant and2.1-4.2 g KBrand which is adjusted to a pH value of 10.5 to 12.5, the regeneration quota amounting to between 50 and 120 ml/m.sup.2 developed material and the refill solution containing the individual constituents in a such a concentration that, for the above-mentioned regeneration quota, the in-use developer solution always contains the constituents shown above in the quantities indicated.Type: GrantFiled: December 27, 1988Date of Patent: March 5, 1991Assignee: Agfa-Gevaert AktiengesellschaftInventors: Ubbo Wernicke, Herbert Mitzinger
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Patent number: 4960684Abstract: A silver halide color photographic material is processed with a color developer containing at least one compound of the following formula (I) and at least one compound of the following formula (II): ##STR1## where R.sup.1, R.sup.2 and R.sup.3 independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group;R.sup.4 represents a hydrogen atom, a hydroxyl group, a hydrazino group, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, a carbamoyl group or an amino group;X.sup.1 represents a divalent group;n represents 0 or 1; and when is 0, R.sup.4 represents an alkyl group, an aryl group or a heterocyclic group; and R.sup.3 and R.sup.4 may together form a heterocyclic group; ##STR2## where Z represents an atomic group necessary for completing an aromatic nucleus.Type: GrantFiled: January 23, 1989Date of Patent: October 2, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Takatoshi Ishikawa, Hiroshi Fujimoto, Morio Yagihara, Kazuto Andoh
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Patent number: 4956267Abstract: A method for forming a direct positive color image by image-wise exposing to light a light-sensitive material having at least one internal latent image type silver halide emulsion layer which is unfogged and color image-forming couplers on a support; either (1) subjecting the resulting material to fogging exposure to light and/or processing it with a nucleating agent before development, and then developing the resulting material with a surface developing solution containing an aromatic primary amine type color developing agent, or (2) developing the material after the image-wise exposure with a surface developing solution containing an aromatic primary amine type color developing agent under fogging exposure and/or in the presence of a nucleating agent; and bleach-fixing the resulting material, wherein the color developing solution contains at least one compound selected from the group consisting of compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## wherein X representType: GrantFiled: May 31, 1988Date of Patent: September 11, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinji Ueda, Tatsuo Heki, Noriyuki Inoue, Takatoshi Ishikawa, Nobutaka Ohki, Morio Yagihara, Kiyoshi Morimoto, Hiroshi Fujimoto, Kazuto Andoh
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Patent number: 4937178Abstract: The present inventions relate to a processing method for processing, with a developing time of not more than 180 seconds, a silver halide color photographic light-sensitive material comprising a support, provided thereon, with at least one silver halide emulsion layer, and at least one emulsion layer containing silver iodo-bromide with not less than 0.5 mole% of silver iodine, in particular to an active processing method wherein, a light-sensitive material B not only containing silver iodo-bromide with an iodine content of not less than 0.5 mole% but also a magenta coupler and providing a maximum magenta density, after exposed, and being capable of only satisfying the maximum magenta dye density M of M<2.0 if exposed under specific conditions and then subjected to color developing of a duration of three minutes 15 seconds at 38.degree. C. with a specific developer solution, is capable of offering a maximum magenta density satisfying M.gtoreq.2.Type: GrantFiled: March 7, 1988Date of Patent: June 26, 1990Assignee: Konica CorporationInventors: Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu, Moeko Hagiwara
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Patent number: 4917992Abstract: Salts of 1-phenyl-3-pyrazolidinones which are useful photographic silver halide developing agents.Type: GrantFiled: October 23, 1987Date of Patent: April 17, 1990Assignee: Ciba-Geigy AGInventors: Malcolm D. Tirel, William E. Long
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Patent number: 4882264Abstract: A color developer composition that maintains developer activity in all color forming layers and increases developer capacity is disclosed. The color developer composition allows use of reduced temperature, process time, replenishment rate, or concentration of developing agent without causing color imbalance. The composition employs two or more different color developing agents in combination. Each agent in a composition is selected from the group consisting of p-amino-N-dialkylanilines and the salts thereof. The composition of the present invention may be employed in conventional color developing processes without any significant change in conventional processing procedures and steps.Type: GrantFiled: January 20, 1984Date of Patent: November 21, 1989Assignee: Olin Hunt Specialty Products Inc.Inventors: Hongzoon Kim, Edward C. Saunders, Harris Miller
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Patent number: 4873180Abstract: The addition to an aqueous alkaline developer composition for silver halide photographic materials of a dialkylaminomethane diphosphonic acid compound sequestering agent increases the resistance of the developer composition against aerial oxidation and inhibits calcareous deposit formation.Type: GrantFiled: April 6, 1988Date of Patent: October 10, 1989Assignee: Minnesota Mining and Manufacturing CompanyInventors: Carlo Marchesano, Franco Buriano, Enrico Furlanetto
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Patent number: 4853321Abstract: A method of forming a color image and a silver halide color photographic material comprising a reflective support having thereon at least one light-sensitive layer containing at least one coupler which forms a dye upon a coupling reaction with an oxidation product of an aromatic primary amine color developing agent and a silver halide emulsion which contains at least 80% by mol of silver chloride and substantially no silver iodide the method comprising processing with a color developing solution which contains not more than 0.002 mol of a bromine ion per liter and substantially no benzyl alcohol for a development time of not more than 2 minutes and 30 seconds in the presence of at least one compound represented by the following formulae (I), (II), or (III), as defined in the specification.The method of forming a color image and the silver halide color photographic material according to the present invention enable rapid processing to be conducted while controlling the fog formation with high sensitivity.Type: GrantFiled: May 19, 1987Date of Patent: August 1, 1989Assignee: Fuji Photo Film, Co., Ltd.Inventors: Yasuhito Momoki, Masahiro Asami, Nobuo Sakai, Shigeaki Otani
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Patent number: 4837132Abstract: A method is described for processing a silver halide color photographic material after imagewise exposure, comprising color developing, desilvering, and at least one of washing and stabilizing a silver halide color photographic material, wherein a color developer which does not substantially contain benzyl alcohol but comprises at least one compound represented by formula (I) ##STR1## wherein M.sup.1, M.sup.2, M.sup.3 and M.sup.4 each represents a hydrogen atom, an alkali metal ion, an ammonium ion, or 1/n of an n-valent cation is used for the color development.Type: GrantFiled: May 26, 1987Date of Patent: June 6, 1989Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroshi Fujimoto, Takatoshi Ishikawa
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Patent number: 4837139Abstract: There are disclosed a processing solution of a light-sensitive silver halide color photographic material, which comprises containing a compound represented by the formula (I) shown below, and a processing method of the same, which comprises subjecting a light-sensitive silver halide color photographic material having at least one layer of silver halide emulsion layer on a support to imagewise exposure and then applying processing including at least a color developing processing, characterized in that the color developing solution to be used in the color developing processing contains a compound represented by the formula (I) shown below: ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.2 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.1 and R.sub.2 may be bonded with each other to form a ring containing an oxygen atom.Type: GrantFiled: July 24, 1987Date of Patent: June 6, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Masao Ishikawa
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Patent number: 4835092Abstract: A novel method for processing a silver halide color photographic material is provided, which comprises processing a silver halide color photographic material having at least one silver halide emulsion layer on a reflective support with a color-developing solution substantially free of benzyl alcohol and containing at least one compound represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, --CH.sub.2 COOH, or ##STR2## R.sub.2 represents a hydrogen atom or --COOH; n represents an integer of 0 or 1; and Z represents atoms necessary for the formation of an aromatic ring.Type: GrantFiled: February 17, 1987Date of Patent: May 30, 1989Assignee: Fuji Photo Film Co., Ltd.Inventors: Takatoshi Ishikawa, Toshio Koshimizu, Yoshihiro Fujita, Hiroshi Fujimoto
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Patent number: 4816384Abstract: A storage stable and rapid dissolving packaged powder developer of uniform composition is produced by preparing developer or developer precursor solutions and removing solvent to provide powder for packaging in plastic impervious to the atmosphere. Preferably, the solvent is removed by freeze-drying or spray-drying.Type: GrantFiled: October 9, 1986Date of Patent: March 28, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventors: Daniel R. Fruge, Peter K. Sysak
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Patent number: 4814260Abstract: A method of storing a liquid color developer and a liquid bleach-fixer in a container made of plastic material having an oxygen permeation coefficient of 0 to 50 m/(m.sup.2 atm day) at temperatures of 20.degree. C. and relative humidity of 60%. The developer contains an aromatic primary amine color developing agent; a hydroxylamine of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl having 1 to 3 carbon atoms, provided that at least one of R.sup.1 and R.sup.2 is an unsubstituted alkyl group having 1 to 3 carbon atoms and that R.sup.1 and R.sup.2 may be combined with each other to form a ring; and an alkaline ingredient for adjusting the pH of the developer to not less than 9.5. The bleach-fixer contains a ferric aminopolycarboxylate, 0 to 1.times.10.sup.-3 mols per liter of an aminopolycarboxylic acid based on the total bleach-fixer, a thiosulfate, and 1.times.10.sup.-3 to 2.times.10.sup.-1 mol per liter of said liquid bleach-fixer of a sulfite.Type: GrantFiled: June 16, 1987Date of Patent: March 21, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Kazuyoshi Miyaoka, Masahiko Kon
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Patent number: 4801521Abstract: A method for processing a silver halide color photographic material comprising the step of processing a silver halide color photographic material after imagewise exposure thereof with a color developer containing at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R.sup.1 and R.sup.2 may be linked to form a heterocyclic ring; R.sup.3 and R.sup.4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R.sup.1, R.sup.2, R.sup.3, and R.sup.4.Type: GrantFiled: July 22, 1987Date of Patent: January 31, 1989Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobutaka Ohki, Nobuo Seto, Hideaki Naruse, Morio Yagihara, Kazuto Andoh, Takatoshi Ishikawa, Hiroshi Fujimoto
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Patent number: 4693956Abstract: A process is disclosed for forming a high-contrast photographic image by developing a silver halide photographic element, including at least a silver halide emulsion layer, with an aqueous alkaline developing solution containing a dihydroxybenzene developing agent, a superadditive developing agent and an antioxidant at a pH of less than 12 in the presence of a hydrazine compound, an organic antifogging and contrast promoting agent selected within the class including a benzotriazole compound and a benzimidazole compound and a non polymeric hydroxymethylidyne group containing compound of formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or R.sub.1 and R.sub.2 together complete a non aromatic cyclic group.Type: GrantFiled: November 15, 1985Date of Patent: September 15, 1987Assignee: Minnesota Mining and Manufacturing CompanyInventor: Carlo Marchesano
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Patent number: 4546068Abstract: There is disclosed a method for processing of a light sensitive silver halide color photographic material characterized by carrying out, after an image exposure of the material, a development processing of the material in the presence of the following components (A), (B), and (C) and/or (D):(A) an aromatic primary amine color developing agent compound;(B) a manganese salt and/or a cerium salt;(C) a diphosphonic acid sequestering agent and a magnesium salt and/or a lithium salt; and(D) at least one of the sequestering agent selected from the group consisting of the compounds represented by the formulas (I), (II), (III), (IV) and (V) found in the specification.Type: GrantFiled: May 29, 1984Date of Patent: October 8, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventor: Satoru Kuse
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Patent number: 4543322Abstract: A process for processing a color photographic silver halide light-sensitive material comprising processing the color photographic silver halide light-sensitive material with a color developer containing at least one compound represented by the general formula (I): ##STR1## wherein X is a hydrogen atom, an alkali metal atom, an ammonium group, an alkyl group, or an aryl group; Y is a substituent on the phenyl group and is a halogen atom, an alkyl group, an alkoxy group, an amino group, a hydroxyl group, a nitro group, a sulfonic acid group or a carboxylic acid group; and n is 0, 1, 2, 3 or 4. Color developers containing the compounds of the general formula (I) have greatly increased stability and thus even after long-term storage, can be used to produce developed materials having superior photographic properties.Type: GrantFiled: March 30, 1984Date of Patent: September 24, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Takatoshi Ishikawa, Junya Nakajima
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Patent number: 4542091Abstract: A process for forming color images, and a silver halide color photographic material for use in the process, are described, said process comprising processing with a developer containing hydroxylamine a silver halide color photographic material comprising a support having thereon at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one blue-sensitive silver halide emulsion layer, said blue-sensitive silver halide emulsion layer being disposed at a more upper portion than other color-sensitive silver halide emulsion layers, and said color photographic material further comprising (1) a light-insensitive layer containing at least one of a yellow colored magenta-dye-forming coupler and a yellow non-diffusible organic dye between the lowermost blue-sensitive silver halide emulsion layer and the uppermost layer of the other color-sensitive silver halide emulsion layers, and (2) a light-insensitive silver halide emulsion in any layer above saType: GrantFiled: December 14, 1984Date of Patent: September 17, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Noboru Sasaki, Takatoshi Ishikawa, Keiichi Adachi
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Patent number: 4450360Abstract: Arylalkyliodonium salts are provided which can be used as thermal or photoinitiators for polymerization of a wide variety of cationically polymerizable organic materials. Reaction is effected between an aryliodonium tosylate and an active hydrogen aliphatic organic compound, such as dimedone, to produce an intermediate arylalkyliodonium tosylate salt which is thereafter reacted with a polyfluoro metal or metalloid salt of an alkali or alkaline earth metal to produce the desired arylalkyliodonium polyfluoro metal or metalloid salt, such as dimedonylphenyliodonium hexafluoroarsenate.Type: GrantFiled: March 12, 1982Date of Patent: May 22, 1984Assignee: General Electric CompanyInventors: James V. Crivello, Julia L. Lee
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Patent number: 4423126Abstract: A new color-forming 4-(4'-secondary or tertiary-amino)anilino-1-carboxamidonaphthalene dye precursor in a photographic material and process enables formation of a dye image by means of cross-oxidation without the need for a coupling reaction. The color-forming 4-(4'-secondary or tertiary-amino)anilino-1-carboxamidonaphthalene dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image. New naphthoquinoneimide dyes are also described.Type: GrantFiled: May 27, 1982Date of Patent: December 27, 1983Assignee: Eastman Kodak CompanyInventors: James E. Klijanowicz, Csaba A. Kovacs
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Patent number: 4394440Abstract: A yellow-dye-forming photographic developing composition having improved stability comprises a haloacetanilide coupler, such as alpha-pivalyl-alpha-(4-carboxyphenoxy)-2,4-dichloroacetanilide, an N-alkyl-N-alkoxyalkyl-p-phenylenediamine developing agent, such as 4-amino-N-ethyl-N-(2-methoxyethyl)-m-toluidine di-p-toluene sulfonate, and a 4,4-disubstituted-1-aryl-3-pyrazolidinone, such as 4,4-dimethyl-1-phenyl-3-pyrazolidinone.Type: GrantFiled: January 22, 1982Date of Patent: July 19, 1983Assignee: Eastman Kodak CompanyInventor: Carl R. Cappel
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Patent number: 4371609Abstract: A method of forming dye images by processing a photographic material containing imagewise distributed catalyzer substance in the presence of hydrogen peroxide, a coupler and certain aromatic primary amine compounds.Type: GrantFiled: July 16, 1981Date of Patent: February 1, 1983Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Makoto Kajiwara, Akihiko Miyamoto, Keiji Ohbayashi, Masaru Iwagaki
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Patent number: 4284714Abstract: A method is described for forming a black-and-white photographic image consisting essentially of a silver image and a coextensive dye image, in which the maximum density of the image and the fastness of the image to light are greatly improved, by processing a silver halide photosensitive material which contains silver halide in a reduced amount (compared with conventional materials) that has been imagewise exposed to light in the presence of a naphthalene compound containing at least two hydroxy substituents groups on the nucleus thereof and a p-phenylenediamine type developing agent or a precursor of the p-phenylenediamine compound.Type: GrantFiled: May 9, 1980Date of Patent: August 18, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Junkichi Ogawa, Mitsugu Tanaka, Minoru Yamada
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Patent number: 4272613Abstract: A color photographic process is described for a silver halide photographic material having at least a silver halide emulsion layer containing a dye-forming coupler, comprising developing in a color developer solution containing components (1) an aromatic primary amino color developing agent, (2) a 1-aryl-3-pyrazolidone compound having two substituents at the 4-position, and (3) at least one compound selected from compounds represented by formulae (I) and (II): ##STR1## wherein X represents a hydrocarbon group having 1 to 6 carbon atoms; R represents a carboxylic acid group, a water-soluble carboxylic acid salt group, a water-soluble carboxylic acid ester group, or a water-soluble carboxylic acid amide group; m is 1 or 2; and n is 0 or 1; and then fixing by an acid hardening fix solution.Type: GrantFiled: May 19, 1980Date of Patent: June 9, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Haruo Shibaoka, Junkichi Ogawa
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Patent number: H809Abstract: A method for processing a silver halide color photographic material containing at least one pyrazoloazole magenta coupler represented by general formula (I), which comprises processing the light-sensitive material, after imagewise exposure, with a color developer containing an aromatic primary amine color developing agent and at least one member selected from among hydrazines and hydrazides represented by general formula (II): ##STR1## wherein R.sub.11 represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group capable of being eliminated by a coupling reaction with an oxidation product of an aromatic primary amine developing agent, Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--, provided that one of the Za-Zb bond and the Zb-Zc bond is a double bond and the other is a single bond and, when Zb-Zc is a carbon-to-carbon double bond, it may be a part of an aromatic ring, and a dimer or higher polymer may be formed at R.sub.Type: GrantFiled: January 23, 1989Date of Patent: August 7, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuto Andoh, Takatoshi Ishikawa, Hiroshi Fujimoto, Morio Yagihara
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Patent number: RE33964Abstract: A method of processing a silver halide color photographic material in which the color developer used comprises an aromatic primary amine color developing agent and a compound of formula: ##STR1## wherein X represents a trivalent group necessary to complete a condensed ring;R.sup.1 and R.sup.2 each represents an alkylene group, an arylene group, an alkenylene group, or an aralkylene group;and, if desired, does not contain a substantial amount of benzyl alcohol to achieve improved stability and color developability of the color developer and a reduction of fog generation in the running development process.Type: GrantFiled: September 11, 1990Date of Patent: June 16, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Takatoshi Ishikawa, Hiroshi Fujimoto, Nobutaka Ohki, Morio Yagihara