Patents by Inventor Masayoshi Shinjo
Masayoshi Shinjo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5055538Abstract: A fluorine-containing copolymer comprising(a) 40 to 90% by weight of repeating units derived from a polymerizable compound having a C.sub.4 -C.sub.20 perfluoroalkyl group,(b) 5 to 50% by weight of repeating units derived from at least one unsaturated ester selected from the group consisting of stearyl acrylate and stearyl methacrylate,(c) 5 to 50% by weight of repeating units derived from at least one monomer selected from the group consisting of alkyl acrylate or methacrylate having 2 to 8 carbon atoms in the alkyl group, cyclohexylacrylate and cyclohexylmethacrylate, which is useful as an active component of a water- and oil-repellent.Type: GrantFiled: June 11, 1990Date of Patent: October 8, 1991Assignee: Daikin Industries Ltd.Inventors: Yoshio Amimoto, Masayoshi Shinjo, Takashi Enomoto, Kazunori Hayashi
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Patent number: 4962156Abstract: Disclosed is A water- and oil-repellent composition comprising (A) at least one species selected from the group consisting of a homopolymer and a copolymer of perfluoroalkyl group-containing acrylate, a homopolymer and a copolymer of methacrylate, a copolymer of the same and a monomer copolymerizable therewith and a perfluoroalkyl group-containing urethane compound, and (B) a ladder polymer of organosilsesquioxane.Type: GrantFiled: August 15, 1989Date of Patent: October 9, 1990Assignee: Daikin Industries, Ltd.Inventors: Masayoshi Shinjo, Sumiko Okamoto, Yasuko Katakura, Seiji Takubo
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Patent number: 4840675Abstract: A process for imparting releasing property to a mold which comprises applying to the mold a composition comprising:(A) (1) a fluorine-containing urethane compound represented by the formula ##STR1## and/or (2) a fluorine-containing urethane compound represented by the formula ##STR2## and/or (3) a fluorine-containing urethane compound represented by the formula ##STR3## and (B) at least one of members selected from the class consisting of silicone oil, silicone varnish, wax and a highly fluorinated organic compound and the mold release composition used for the process.Type: GrantFiled: September 26, 1988Date of Patent: June 20, 1989Assignee: Daikin Kogyo Co., Ltd.Inventors: Shosin Fukui, Masayoshi Shinjo, Hirokazu Aoyama
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Patent number: 4795793Abstract: A copolymer comprising 50 to 90% by weight of the constituting unit derived from (a) a polymerizable compound having a perfluoroalkyl group of 4 to 20 carbon atoms, 10 to 50% by weight of the constituting unit derived from (b) cyclohexyl or benzyl ester of acrylic acid or methacrylic acid and 0.1 to 10% by weight of the constituting unit derived from (c) at least one selected from the group consisting of polyethylene glycol diacrylate of the formulaCH.sub.2 .dbd.CRCOO(CH.sub.2 CH.sub.2 O)rCOCR.dbd.CH.sub.2wherein R is hydrogen atom or methyl, r is an integer of 1 to 50, and N-methylolacrylamide. The copolymer is useful as an oil and water repellent composition.Type: GrantFiled: December 2, 1987Date of Patent: January 3, 1989Assignee: Daikin Industries Ltd.Inventors: Yoshio Amimoto, Masayoshi Shinjo, Kazunori Hayashi, Takashi Enomoto
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Patent number: 4685967Abstract: A deicing coating composition characterized in that the composition comprises a synthetic resin coating composition of the organic solvent type, at least one fluorine-containing compound selected from the group consisting of urethane, phosphate, phosphonic acid derivative, phosphinic acid derivative, polyether, polyester and polyvinyl compounds having a perfluoroalkyl group with 6 to 20 carbon atoms, and when required, an alkali metal compound of the formulaMa.sym.X.crclbar.wherein M is an alkali metal, X is an inorganic acid radical, hydroxyl group or organic acid radical, and a is an integer of from 1 to 4.Type: GrantFiled: April 28, 1986Date of Patent: August 11, 1987Assignee: Daikin Industries Ltd.Inventors: Naonori Enjo, Masayoshi Shinjo, Yasuko Okazaki, Kazunori Hayashi
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Patent number: 4673712Abstract: A perfluoroalkylvinyl copolymer comprising (a) repeating units of the formula:--CHRfCH.sub.2 -- (I)wherein Rf is a C.sub.5 -C.sub.21 perfluoroalkyl group, and (b) repeating units of the formula: ##STR1## wherein Y is --OR.sup.1, --OCOR.sup.1 or --COOR.sup.1 and Z is a hydrogen atom or --COOR.sup.2 in which R.sup.1 and R.sup.2 are, the same or different, a C.sub.1 -C.sub.18 alkyl group with the proviso that when Y is --OR.sup.1 or --OCOR.sup.1, Z is an hydrogen atom, and R is a C.sub.1 -C.sub.18 alkyl group, which is useful as a mold release agent, a water- and oil-repellent and a non-tackifier.Type: GrantFiled: November 21, 1985Date of Patent: June 16, 1987Assignee: Daikin Industries Ltd.Inventors: Shosin Fukui, Masayoshi Shinjo, Hirokazu Aoyama, Yasuko Okazaki, Naonori Enjo, Kazunori Hayashi
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Patent number: 4563493Abstract: A novel copolymer comprising(a) repeating units of the formula:--OCH[(CH.sub.2).sub.p R.sub.f ]CH.sub.2 -- (Ia)or--OCH.sub.2 CH[(CH.sub.2).sub.p R.sub.f ]-- (Ib)wherein R.sub.f is C.sub.3 -C.sub.21 perfluoroalkyl and p is an integer of 1 to 10 and(b) repeating units of the formula:--(OCH.sub.2).sub.m (CH.sub.2).sub.n -- (II)wherein m is an integer of 1 to 4 and n is an integer of 2 to 10 when m is 1, an integer of 1 to 8 when m is 2 or an integer of 0 to (12-2m) when m is 3 or 4,--OCH.sub.2 CR.sup.1 R.sup.2 CH.sub.2 -- (III)wherein R.sup.1 and R.sup.2 are each hydrogen, CH.sub.3, CH.sub.2 Cl, CH.sub.2 F, CH.sub.2 OCH.sub.3, CH.sub.2 OC.sub.2 H.sub.5, CH.sub.2 OCOCH.sub.3, CH.sub.2 OC.sub.6 H.sub.5, CH.sub.2 OH or CH.sub.2 CN provided that at least one of them is not hydrogen,--OCH.sub.2 (OCH.sub.2 CH.sub.2).sub.q -- (IV)wherein q is 2 or 3, and/or--[(R.sup.3).sub.r --COO]-- (V)wherein R.sup.3 is CH.sub.2 or CF.sub.Type: GrantFiled: February 4, 1985Date of Patent: January 7, 1986Assignee: Daikin Industries, Ltd.Inventors: Shosin Fukui, Masayoshi Shinjo, Yasuko Okazaki, Hirokazu Aoyama
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Patent number: 4427803Abstract: A mold release composition consisting essentially of:(A) a fluorine-containing polyether comprising 3-perfluoroalkyl-1,2-epoxypropane having the formula ##STR1## wherein R.sub.f represents a perfluoroalkyl group containing from 5 to 13 carbon atoms and(B) at least one additive selected from the group consisting of a silicone oil, silicone varnish, a wax and a highly fluorinated organic compound having a boiling point above 100.degree. C.Type: GrantFiled: May 3, 1983Date of Patent: January 24, 1984Assignee: Daikin Kogyo Co., Ltd.Inventors: Shoshin Fukui, Masayoshi Shinjo, Hirokazu Aoyama
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Patent number: 4351880Abstract: A composition for preventing the adhesion of an epoxy resin which comprises a polymer of (A) at least one C.sub.4 to C.sub.21 perfluoroalkyl group-containing polymerizable compound with or without at least one compound copolymerizable therewith, the content of the component (A) being not less than 40% by weight on the weight of the polymer.Type: GrantFiled: April 8, 1981Date of Patent: September 28, 1982Assignee: Daikin Kogyo Co., Ltd.Inventors: Shosin Fukui, Masayoshi Shinjo
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Patent number: 4308063Abstract: A composition in the form of a solution or dispersion which includes a perfluoroalkyl group-containing phosphoric acid ester of the formula(R.sub.f XO).sub.n PO(OH).sub.3-n(wherein R.sub.f represents a perfluoroalkyl group containing from 4 to 20 carbons, X represents a divalent organic residue and n is an integer from 1 to 3) and an additive which is a surface active agent, a silicone oil, a highly fluorinated organic compound, a wax or a mixture thereof, the composition being useful for imparting mold releasing properties to a mold.Type: GrantFiled: January 29, 1981Date of Patent: December 29, 1981Assignee: Daikin Kogyo Co., Ltd.Inventors: Norio Horiuchi, Shin-ichi-ro Kai, Masayoshi Shinjo
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Patent number: 4254000Abstract: An epoxy resin composition which comprises (1) an epoxy resin represented by the formula: ##STR1## wherein n is an integer of 4 to 18 and (2) at least one of an initial condensation product of amino resin, an initial condensation product of amide resin and an initial condensation product of phenol-formaldehyde, which can afford hardened products being improved in contamination-preventing property, particularly adhesion resistance at high temperatures.Type: GrantFiled: October 26, 1979Date of Patent: March 3, 1981Assignee: Daikin Kogyo Co., Ltd.Inventors: Akira Ohmori, Masayoshi Shinjo
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Patent number: 4118235Abstract: A composition in the form of a solution or dispersion which includes a perfluoroalkyl group-containing phosphoric acid ester of the formula(R.sub.f XO).sub.n PO(OH).sub.3-n(wherein R.sub.f represents a perfluoroalkyl group containing from 4 to 20 carbons, X represents a divalent organic residue and n is an integer from 1 to 3) and an additive which is a surface active agent, a silicone oil, a highly fluorinated organic compound, a wax or a mixture thereof, the composition being useful for imparting mold releasing properties to a mold.Type: GrantFiled: September 15, 1976Date of Patent: October 3, 1978Assignee: Daikin Kogyo Co., Ltd.Inventors: Norio Horiuchi, Shin-ichi-ro Kai, Masayoshi Shinjo