Vinylidene Compound Patents (Class 430/622)
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Patent number: 4897344Abstract: A method of hardening gelatin comprising adding to the gelatin to be hardened at least one compound represented by formula (I) ##STR1## wherein L represents a divalent organic group, R represents a hydrogen atom or a univalent organic group, A represents a substituted or unsubstituted benzene ring which may be condensed with another ring, M.sup..sym. represents a hydrogen ion, an alkali metal ion or an ammonium ion, and n has a value of 1 or 2 or 3. The method may be applied to various processes involving hardening of gelatin, such as processes for forming various photographic materials or microcapsules.Type: GrantFiled: March 30, 1988Date of Patent: January 30, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Hisashi Okamura, Hiroshi Kawamoto, Hiroshi Kawasaki
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Patent number: 4894324Abstract: Water soluble sulphates of a heteroaromatic bis- or poly-sulphone are suitable for use as hardeners for proteinaceous binders, in particular in photographic layers.Type: GrantFiled: March 3, 1988Date of Patent: January 16, 1990Assignee: Agfa-Gevaert AktiengessellschaftInventors: Wolfgang Himmelmann, Johannes Sobel, Hans hlschlager, Karl-Wilhem Schranz
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Patent number: 4874687Abstract: A method for forming an image comprising the steps of:(a) imagewise exposing a light-sensitive silver halide photographic material comprising a support having provided on at least one surface thereof a light-sensitive silver halide emulsion, at least one of an active halogen hardening agent and a bisvinylsulfone hardening agent, and a slightly water-soluble basic metallic compound; and(b) developing said exposed material with a developer solution containing a compound capable of reacting with said basic metallic compound to release a base.Type: GrantFiled: November 18, 1987Date of Patent: October 17, 1989Assignee: Fuji Photo Film Co., Ltd.Inventor: Masamichi Itabashi
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Patent number: 4847189Abstract: A silver halide photographic material is capable of super-rapid processing with the total time of 20 to 60 minutes and is high in sensitivity, low in fogginess and excellent in pressure resistance and graininess. The photographic material is comprises a support bearing a hydrophilic colloial layer including at least one light sensitive silver halide emulsion layer thereon, whereinsilver halide grains contained in the silver halide emulsion layer are mainly comprised of tabular grains which have an aspect ratio of the grain size to the grain thickness of not lower than 5, and the projective areas of the whole tabular grain occupy not less than 50% of the projective areas of the whole silver halide grain in the emulsion layer,the melting time of the silver halide photographic light-sensitive material is within the range of from not shorter than 45 minutes, andon the side bearing the hydrophilic colloidal layer containing the silver halide emulsion layer, an amount of gelatin is within the range of from 2.Type: GrantFiled: March 9, 1988Date of Patent: July 11, 1989Assignee: Konica CorporationInventors: Akio Suzuki, Eiji Yoshida, Satoru Nagasaki, Masumi Arai, Nobuaki Tsuji
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Patent number: 4845024Abstract: Water-soluble adducts of tertiary amines with heteroaromatic bis- or polyvinyl sulfone compounds are suitable for hardening layers containing proteins as binder.Type: GrantFiled: August 7, 1987Date of Patent: July 4, 1989Assignee: AGFA Gevaert AktiengessellschaftInventors: Wolfgang Himmelmann, Johannes Sobel, Hans Ohlschlager, Karl-Wilhelm Schranz
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Patent number: 4840890Abstract: Heteroaromatic vinylsulphone compounds having at least two vinylsulphonyl groups each attached to a carbon atom of a heteroasomatic ring are suitable for hardening proteinic binder layers such as photographic layers containing gelatine as binder.Type: GrantFiled: January 19, 1988Date of Patent: June 20, 1989Assignee: Agfa-Gevaert AktiengesellschaftInventors: Hans Ohlschlager, Karl-Wilhelm Schranz, Johannes Sobel
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Patent number: 4680257Abstract: A silver halide photographic light-sensitive material is disclosed. The material is composed of a support base having a silver halide emulsion layer thereon which contains a hardener having an active vinyl group. The material also includes a compound represented by the general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 independently represent a hydroxy group, a hydroxylamino group, an amino group, an alkylamino group, a substituted alkylamino group, an arylamino group, an alkoxy group, a phenoxy group, an alkyl group, an aryl group or a halogen atom. The photographic material gives improved results with respect to preventing latensification.Type: GrantFiled: September 13, 1985Date of Patent: July 14, 1987Assignee: Fuji Photo Film Co., Ltd.Inventors: Hideaki Sato, Morio Yagihara
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Patent number: 4612280Abstract: A hardened gelatin and a method for obtaining the hardened gelatin are described, using at least one compound represented by formula (I) ##STR1## wherein all symbols are as defined in the appended claims. The compounds of formula (I) are high in hardening speed and cause little or no post-hardening. Thus these compounds are very useful, for example, in preparation of a light-sensitive material.Type: GrantFiled: October 21, 1985Date of Patent: September 16, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Hisashi Okamura, Hiroshi Kawamoto
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Patent number: 4607004Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having provided thereon light-sensitive silver halide emulsion layers, wherein on the outside of the light-sensitive silver halide emulsion layer positioned farthest from the support, a layer containing silver halide fine grains of about 0.2.mu. or less in average grain size is provided, and in the silver halide color photographic light-sensitive material at least one compound represented by the following general formula (I) is present: ##STR1## wherein M represents a hydrogen atom, an alkali metal or a quaternary ammonium group, X represents COOM' or SO.sub.3 M' (wherein M' represents a hydrogen atom, an alkali metal or a quaternary ammonium group), n represents 1 or 2, R.sub.1 represents a group capable of substituting on the phenyl group, and m represents 0, 1 or 2.Type: GrantFiled: December 17, 1984Date of Patent: August 19, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinpei Ikenoue, Haruhiko Iwano, Hiroyuki Mifune, Morio Yagihara
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Patent number: 4590151Abstract: Reticulation caused by swelling with processing solutions in photographic elements is reduced for elements containing at least two contiguous gelatin-containing layers wherein the uppermost layer has a lateral swell coefficient at least 10% greater than the lower gelatin-containing layer before polymer addition and wherein said uppermost layer comprises an essentially non-diffusible vinyl polymer having reactive groups which crosslink by reaction with primary amine or secondary amine groups on gelatin or a water-soluble, non-diffusible amine containing vinyl polymer and a hardener for gelatin. These elements are particularly useful in photographic products.Type: GrantFiled: November 29, 1982Date of Patent: May 20, 1986Assignee: Eastman Kodak CompanyInventors: Thomas C. Arter, Ignazio S. Ponticello
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Patent number: 4568635Abstract: A silver halide light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer is disclosed. The emulsion layer contains a silver halide prepared in the presence of a tetrasubstituted thiourea as a silver halide solvent and was hardened with a hardener containing a vinylsulfonyl group. Combined use of the tetrasubstituted thiourea and the hardener of the above-described kinds increases the storability of the light-sensitive material.Type: GrantFiled: January 27, 1984Date of Patent: February 4, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroyuki Yamagami, Kazunori Hasebe, Naoyasu Deguchi, Koki Nakamura, Hiroyuki Mifune
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Patent number: 4554247Abstract: A silver halide photographic material having as essential photographic layers at least one photosensitive silver halide emulsion layer and at least one non-sensitive hydrophilic colloidal layer on a support is disclosed. At least one of said photographic layers contains fine oil globules at a density of 1 or more, and a hardener having at least three functional groups is incorporated in at least one photographic layer containing said fine oil globules and/or at least one photographic layer which is farther from said support than the photographic layer containing said fine oil globules.Type: GrantFiled: February 13, 1984Date of Patent: November 19, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kiyotoshi Yamashita, Minoru Ishikawa, Hideo Ohta, Kenji Kumashiro
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Patent number: 4543324Abstract: The difficulties in the casting process of photographic gelatin containing layers caused by increases in the viscosity of the casting solution due to the premature cross-linking of gelatin can be prevented if a compound containing at least one vinyl sulfone group and at least one sulfonyl ethyl sulfate group in the form of their salts is incorporated in the casting composition of the gelatin-containing layer(s) or in the gelatin-containing layer(s) applied to the layer support.Type: GrantFiled: September 26, 1984Date of Patent: September 24, 1985Assignee: Agfa-Gevaert AktiengesellschaftInventor: Wolgang Himmelmann
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Patent number: 4508818Abstract: A silver halide photographic sensitive material is disclosed. The material is comprised of a support base which has a sensitive silver halide emulsion layer on the surface of the base. On the silver halide emulsion layer is a first and a second insensitive layer. The second insensitive layer has a melting time which is higher than that of the first insensitive layer. The first insensitive layer has a melting time which is equal to or higher than the melting time of the silver halide emulsion layer. The resulting material can be advantageously utilize within an automatic developing apparatus. The material has improved mechanical properties and results in a reduced amount of scum being formed within the developing solution.Type: GrantFiled: March 26, 1984Date of Patent: April 2, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Masashi Ogawa, Kunio Ishigaki, Nobuyuki Iwasaki, Taku Nakamura
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Patent number: 4476218Abstract: A silver halide photographic light-sensitive material is described, which comprises a support, and at least one light-sensitive silver halide emulsion layer and an uppermost layer provided on at least one surface of the support, wherein the melting time of the uppermost layer is made greater than that of the light-sensitive silver halide emulsion layer. The material has good strength and produces a reduced amount of scum which normally occurs in the processing liquid during development processing.Type: GrantFiled: June 16, 1982Date of Patent: October 9, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Masashi Ogawa, Kunio Ishigaki, Taku Nakamura, Nobuyuki Iwasaki
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Patent number: 4460680Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and a light-insensitive uppermost layer is disclosed. The light-insensitive uppermost layer has a melting time longer than that of the light-sensitive silver halide emulsion layer and the thickness of the light-insensitive uppermost layer is from 1.3 .mu.m to 5.0 .mu.m. The silver halide photographic light-sensitive material has an improved covering power and results in remarkably low degree of reticulation. Furthermore, when the material is used it results in a reduced amount of scum being formed in the processing solution.Type: GrantFiled: August 25, 1982Date of Patent: July 17, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Masashi Ogawa, Kunio Ishigaki, Nobuyuki Iwasaki, Taku Nakamura
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Patent number: 4444926Abstract: A method of hardening gelatin is described which uses (1) a polymer containing at least 0.01 mol % of a repeating unit represented by formula (I) ##STR1## wherein R represents a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms, or a halogen atom, M represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or an organic base, X represents an alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, an alkylamino group having from 1 to 6 carbon atoms, or a halogen atom, m represents 0, 1 or 2, and n represents 1 or 2, (2) a polyvalent alcohol having at least two hydroxy groups, and (3) a hardener having an active vinyl group.The method has advantages in that the rate of hardening the gelatin is fast, the so-called post hardening property is small, and the gelatin composition is hardely influenced by the conditions of temperature and humidity during storage.Type: GrantFiled: November 10, 1981Date of Patent: April 24, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Masasi Ogawa, Kunio Ishigaki, Kiyotaka Hori
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Patent number: 4418140Abstract: A process for the development of color photographic light-sensitive material is described. The process comprises color developing an exposed light-sensitive material in the presence of a compound of the general formula: ##STR1## wherein M is a hydrogen atom, an alkali metal atom, NH.sub.4 or a protective group for the mercapto group which undergoes cleavage by the action of an alkali; R is a hydrogen atom or an alkyl group containing 1 to 3 carbon atoms; and R' is a hydrogen atom or an alkyl group containing 1 to 3 carbon atoms. This process prevents the formation of color development fog without seriously reducing sensitivity.Type: GrantFiled: April 8, 1982Date of Patent: November 29, 1983Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroyuki Mifune, Shoji Ishiguro, Tadao Shishido, Tatsuo Nishimura
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Patent number: 4349624Abstract: At least one gelatin-containing layer of a photographic silver halide material is hardened with a reaction product of two compounds corresponding to the formulaeR(SO.sub.2 --CH.dbd.CH.sub.2).sub.n (A)in which R is an n-functional aliphatic, aromatic, cycloalkyl or heterocyclic group and n is an integer of from 3 to 6 and ##STR1## in which R.sub.1 and R.sub.2 may be the same or different and represent hydrogen or a lower alkyl group, R.sub.3 is an alkyl group, an aminoalkyl group a substituated or unsubstituated aromatic group, a substituated or unsubstituated 5- or 6-membered heterocyclic ring which may be attached to the N-atom of (B) either directly or through a carbon-containing group, or R.sub.2 and R.sub.3 together represent the atoms required to complete a heterocyclic ring system.Type: GrantFiled: October 27, 1980Date of Patent: September 14, 1982Assignee: Agfa-Gevaert AktiengesellschaftInventors: Johannes Sobel, Wolfgang Himmelmann, Peter Bergthaller
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Patent number: 4323646Abstract: A photographic material containing protein as binding agent is hardened with a compound which contains at least two free vinyl sulfonyl groups in the molecule and which is a bisulfite addition product of a compound containing up to 6 vinyl sulfonyl groups.Type: GrantFiled: October 27, 1980Date of Patent: April 6, 1982Assignee: AGFA-Gevaert AktiengesellschaftInventors: Peter Bergthaller, Wolfgang Himmelmann, Johannes Sobel
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Patent number: 4294921Abstract: A method of hardening gelatin which uses both a gelatin hardener and a polymer having a repeating unit of the formula (I): ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, and a halogen atom; M represents a hydrogen atom, an alkali metal atom, an alkali earth metal atom, or an organic base; X represents an alkyl group having 1 to 6 carbon atoms, an alkoxy group, an alkylamino group, or a halogen atom; m represents 0, 1 or 2; and n represents 1 or 2.Type: GrantFiled: June 23, 1980Date of Patent: October 13, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Jun Yamaguchi, Takashi Naoi, Hidefumi Sera, Kunio Ishigaki, Masasi Ogawa