Sulfur Or Sulfur Compound Containing Patents (Class 430/629)
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Patent number: 4391903Abstract: Ionic copolymers of styrene sulfonic acid and maleic acid improve covering power when added to the gelatin binder employed in medical silver halide X-ray emulsions.Type: GrantFiled: February 8, 1982Date of Patent: July 5, 1983Assignee: E. I. Du Pont de Nemours & Co.Inventor: Peter K. Sysak
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Patent number: 4388402Abstract: A photographic light-sensitive material is described comprising a support having thereon a silver halide emulsion layer, said material including at least one hydrophilic colloid layer containing at least 0.1 g/m.sup.2 of a water-soluble polymer having a molecular weight of from 10,000 to 500,000 and consisting essentially of a repeating unit represented by formula (I) ##STR1## wherein R represents a hydrogen atom, a halogen atom, or an alkyl group; L represents a single chemical bond or a divalent connecting group; M represents a hydrogen atom, an ammonium ion, or an alkali metal ion; X represents from 10 to 100 mol%; y represents from 0 to 90 mol%; and A represents a copolymerized monomer unit derived from a copolymerizable ethylenically unsaturated monomer.The photographic light-sensitive material has improved antistatic properties without damaging other photographic properties.Type: GrantFiled: August 12, 1981Date of Patent: June 14, 1983Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuo Mukunoki, Yasuhiro Nakayama, Shigeki Yokoyama
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Patent number: 4368258Abstract: In the process for preparing impregnated polymer latex compositions by impregnating a hydrophobic substance in dispersed polymer particles in an aqueous polymer latex, the improvement comprises impregnating said hydrophobic substance, wherein the impregnation is effected by mixing said hydrophobic substance which is solid state, a water-miscible organic solvent and aqueous polymer latex wherein a polymer of the polymer latex is prepared from ethene monomers and containing at least one hydrophilic group.Type: GrantFiled: March 11, 1981Date of Patent: January 11, 1983Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Mitsuto Fujiwhara, Syunji Matsuo, Tsuneo Wada, Naoto Abe, Toyoaki Masukawa, Akio Iijima, Keiji Oishi
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Patent number: 4367324Abstract: Photocrosslinkable polymers which have a mean molecular weight of not less than 5,000 and contain, in side chains, thioxanthone groupings of the formula ##STR1## and, in side chains, imidyl groupings of the formula ##STR2## in which X, Y, Z, n, G.sub.1 and G.sub.2 are as defined in the patent claim, are suitable for the production of highly light-sensitive image materials, for the production of printing plates for the offset printing process and in particular as so-called photoresists for the production of printed circuits. The thioxanthone groupings (I) act as sensitizers for the photocrosslinkable groups of the polymer, so that it is not necessary to add further sensitizers.Type: GrantFiled: January 26, 1981Date of Patent: January 4, 1983Assignee: Ciba-Geigy CorporationInventors: Hans Zweifel, Joseph Berger, Vratislav Kvita, Martin Roth
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Patent number: 4362812Abstract: Static property in a photographic material is effectively prevented by incorporating a specific copolymer formed from, as the copolymerizable components, a betaine-containing polymerizable monomer and a fluorine-containing polymerizable monomer, in the protective layer, backing layer, or an overcoat of the photographic material without exhibiting adverse influences on the photographic properties of the photographic material.Type: GrantFiled: July 10, 1981Date of Patent: December 7, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Junji Minamizono, Shinzo Kishimoto, Shigeki Yokoyama, Takayuki Inayama
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Patent number: 4352873Abstract: A silver halide color photographic material comprising: a support; and a plurality of photographic layers including silver halide emulsion layer formed thereon, wherein one of said photographic layers is comprised of a compound containing recurring unit represented by formula (I) ##STR1## wherein R represents a hydrogen, an alkyl group having 1 to 6 carbon atoms, or a halogen group; M represents hydrogen, an alkali metal, an alkaline earth metal, or an organic base; X represents an alkyl group having 1 to 6 carbon atoms, an alkoxy group, an alkylamino group or a halogen group; m represents 0, 1, or 2 and n represents 1 or 2.Type: GrantFiled: April 27, 1981Date of Patent: October 5, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Yuzo Toda, Junji Koizumi, Masasi Ogawa, Hidefumi Sera, Seiiti Kubodera
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Patent number: 4345016Abstract: A color photographic sensitive material containing a polymer comprising at least 1 mol % of a repeating unit represented by formula (I) ##STR1## wherein A represents a divalent group, n is 1 or 2, R.sub.1 represents hydrogen, a halogen atom or an alkyl group, and R.sub.2, R.sub.3, and R.sub.4 each represents hydrogen, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an amino group, an acylamino group, or a sulfonamide group, and R.sub.3 and R.sub.4 together can form an aromatic ring, provided that the total of carbon atoms of R.sub.2, R.sub.3, and R.sub.4 is 60 or less.Type: GrantFiled: July 1, 1981Date of Patent: August 17, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Nobutaka Ohki, Kozo Aoki
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Patent number: 4330618Abstract: A photographic light-sensitive material containing a copolymer comprising a betaine group-containing monomer and a fluorine atom-containing monomer in at least one photographic layer thereof, whereby the material is improved in the antistatic properties without adversely affecting its photographic properties.Type: GrantFiled: December 3, 1980Date of Patent: May 18, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Junji Minamizono, Shinzo Kishimoto, Takayuki Inayama
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Patent number: 4323644Abstract: A photographic material having at least one layer containing a polymer having a repeating unit of the formula (I): ##STR1## wherein A is a monomer unit copolymerized with a copolymerizable ethylenically unsaturated monomer; R is a hydrogen atom or a lower alkyl group having 1 to about 6 carbon atoms; L is a bivalent linking group having 1 to about 20 carbon atoms; X is an active ester group; x and y each represents molar percent, x being between 0 and 95 and y being between 5 and 100; m is 0 or 1.Type: GrantFiled: November 5, 1980Date of Patent: April 6, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Taku Nakamura, Masasi Ogawa, Kunio Ishigaki
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Patent number: 4294920Abstract: A polymer of at least one compound A with at least one compound B, in which A and B correspond to the following formulae ##STR1##B: H--S.sub.n --Q.sup.1 --W).sub.m Q.sup.2 --S--H is useful in light sensitive photographic materials comprising at least one silver halide emulsion layer.Type: GrantFiled: December 4, 1980Date of Patent: October 13, 1981Assignee: Agfa-Gevaert AktiengesellschaftInventors: Gunter Helling, Wilhelm Saleck, Peter Bergthaller
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Patent number: 4291113Abstract: A method for dispersing an oil-soluble photographic additive into water or a hydrophilic colloid composition wherein an oil-soluble photographic additive is dispersed in water or a hydrophilic colloid composition in the presence of a polymer having a recurring unit represented by the following formula (I):--(A).sub.x -- --(B).sub.y -- (I)wherein A represents an ethylenically unsaturated monomer containing a sulfonic acid group; B represents a copolymerizable ethylenically unsaturated monomer; x is about 10 to 100 mol%; and y is about 0 to 90 mol%.Type: GrantFiled: February 21, 1980Date of Patent: September 22, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Junji Minamizono, Masakazu Yoneyama, Jun Sasaki
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Patent number: 4284718Abstract: Polymers, containing polymerized units of at least one compound of the formula ##STR1## and at least one compound of the formula ##STR2## are useful for the preparation of silver halide emulsions.Type: GrantFiled: August 6, 1980Date of Patent: August 18, 1981Assignee: Agfa-Gevaert AGInventors: Peter Bergthaller, Wilhelm Saleck, Gunter Helling
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Patent number: 4284709Abstract: A process for incorporating photographic additives which are sparingly soluble to insoluble in water into a free-flowing, aqueous preparation which contains a hydrophilic colloid and is used to prepare photographic layers, by mixing the photographic additives with a combination of at least one non-ionic alkylphenol/alkylene oxide or diphenolmethane/alkylene oxide adduct and at least one anionic esterification product of these adducts and, optionally, a water-immiscible solvent and then finely dispersing this mixture in an aqueous solution of the hydrophilic colloid, which solution contains further water-soluble or dispersed water-insoluble constituents optionally.Spontaneous emulsions of the photographic additives with good fine dispersion are obtained in this way without high expenditure of mechanical energy. The emulsions are suitable for the preparation of photographic layers, which are used in photographic materials with improved characteristics.Type: GrantFiled: May 8, 1980Date of Patent: August 18, 1981Assignee: Ciba-Geigy AktiengesellschaftInventor: Ivan Tomka
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Patent number: 4276374Abstract: A silver halide photographic emulsion containing the compound represented by the formula (I):R.sub.1 --(X--R.sub.3).sub.m --X--R.sub.2 (I)wherein R.sub.1 and R.sub.2 each represents an alkyl group containing 1 to 5 carbon atoms substituted with two or more substituents selected from --OH, --NHR.sub.4, --COOR.sub.4, --CONH.sub.2, --SO.sub.3 H, --COOM, or --SO.sub.3 M, R.sub.3 represents an alkylene group containing 1 to 4 carbon atoms which may be substituted by --OH, R.sub.4 represents a hydrogen atom or an alkyl group containing 1 to 5 carbon atoms, X represents a sulfur or oxygen atom, provided at least one X is a sulfur atom, m represents 0 or an integer of 1 to 4, and M represents an alkali metal atom.Type: GrantFiled: May 30, 1979Date of Patent: June 30, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroyuki Mifune, Nobuaki Miyasaka, Yoshiharu Fuseya
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Patent number: 4259469Abstract: Disclosed herein are monomeric compounds having the formula: ##STR1## wherein: R and R.sup.1 are independently hydrogen, halide or alkyl;R.sup.2 and R.sup.3 are independently hydrogen, alkyl, cycloalkyl, aryl or aralkyl;q is 0 or 1; andAr is arylene, and a method of preparing same.These monomers can be homopolymerized or copolymerized with one or more other monomers to yield polymers having desirable solubility characteristics. In particular, copolymerizable ethylenically unsaturated monomers can comprise aldehyde-containing vinylaryl ethers, to yield crosslinkable polymers useful in relief image materials or as binders in photographic layers.Type: GrantFiled: March 21, 1979Date of Patent: March 31, 1981Assignee: Eastman Kodak CompanyInventors: John C. Wilson, Paul D. Yacobucci
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Patent number: 4245036Abstract: A latex is formed of a copolymer of 90 to 98% by weight of ethyl acrylate and 2 to 10% by weight of an ionogenic comonomer. The latter comprises in its structure a polymerizable ethylenically unsaturated bond, a hydrophobic chain comprising at least 8 carbon atoms, and a strong hydrophilic group taken from a sulpho group, a sulphato group or a phosphono group in acid or salt form.Photographic layers are described wherein the above latex is used as plasticizer for gelatin.Type: GrantFiled: October 19, 1979Date of Patent: January 13, 1981Assignee: AGFA-GEVAERT N.V.Inventors: Walter F. De Winter, Marcel J. Monbaliu, August M. Marien, Antoine R. Van Rossen