Patents by Inventor Katsuhiko Rindo
Katsuhiko Rindo 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: 8716411Abstract: A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, to ring opening polymerization in a solvent, thereby preparing a terminal reactive poly(N-acylalkyleneimine) solution; a step (b) of mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, thereby preparing a modified organopolysiloxane solution; a step (c) of mixing the terminal reactive poly(N-acylalkyleneimine) solution obtType: GrantFiled: December 14, 2010Date of Patent: May 6, 2014Assignee: Kao CorporationInventors: Takashi Kodate, Katsuhiko Rindo, Osamu Takiguchi
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Publication number: 20120302705Abstract: A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, to ring opening polymerization in a solvent, thereby preparing a terminal reactive poly(N-acylalkyleneimine) solution; a step (b) of mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, thereby preparing a modified organopolysiloxane solution; a step (c) of mixing the terminal reactive poly(N-acylalkyleneimine) solution obtType: ApplicationFiled: December 14, 2010Publication date: November 29, 2012Applicant: KAO CORPORATIONInventors: Takashi Kodate, Katsuhiko Rindo, Osamu Takiguchi
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Publication number: 20120296052Abstract: A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): to ring opening polymerization in a solution thereof which is obtained by mixing the cyclic imino ether compound and a solvent, thereby preparing a solution of a terminal reactive poly(N-acylalkyleneimine); a step (b) of dehydrating a solution which is obtained by mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, such that a water concentration of a mixed solution to be obtained by mixing the solution of the terminal reactive poly(N-acylalkyleneimine) obtained in step (a) and the resultant solution of the modified organopolysiloxane is regulated to be 150 mg/kg or less; andType: ApplicationFiled: December 14, 2010Publication date: November 22, 2012Applicant: KAO CORPORATIONInventors: Takashi Kodate, Katsuhiko Rindo, Osamu Takiguchi
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Publication number: 20080132439Abstract: A cleaning agent composition for a treated tool comprising an alkyl glycoside, a glyceryl ether, a hydrocarbon and water, and a cleaning process using the cleaning agent composition. The cleaning agent composition is used upon washing a surface of a silicone-treated tool, a liquid crystal-treated tool, a copper plate, or the like.Type: ApplicationFiled: December 21, 2005Publication date: June 5, 2008Inventors: Akito Itoi, Eiji Kashihara, Katsuhiko Rindo, Ryoichi Hashimoto
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Patent number: 7015182Abstract: A detergent composition for cleaning a precision part, comprising an organic solvent, 5 to 30% by weight of a glyceryl ether having an alkyl group or alkenyl group having 4 to 12 carbon atoms, and 5% by weight or more of water. The detergent composition can be used for cleaning a precision part such as a metal part, an electronic part, a semiconductor part or a liquid crystal display panel.Type: GrantFiled: April 4, 2003Date of Patent: March 21, 2006Assignee: Kao CorporationInventors: Katsuhiko Rindo, Ryoichi Hashimoto, Masataka Negishi
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Publication number: 20030191037Abstract: A detergent composition for cleaning a precision part, comprising an organic solvent, 5 to 30% by weight of a glyceryl ether having an alkyl group or alkenyl group having 4 to 12 carbon atoms, and 5% by weight or more of water. The detergent composition can be used for cleaning a precision part such as a metal part, an electronic part, a semiconductor part or a liquid crystal display panel.Type: ApplicationFiled: April 4, 2003Publication date: October 9, 2003Inventors: Katsuhiko Rindo, Ryoichi Hashimoto, Masataka Negishi
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Patent number: 6440429Abstract: An emulsified, water-in-oil type composition comprises the following components (A), (B), (C) and (D): (A) an oil phase, (B) a high molecular compound having orientation to oil-water interfaces, (C) a lower alcohol, and (D) water. A skin cosmetic preparation containing the emulsified, water-in-oil type composition is also disclosed.Type: GrantFiled: September 6, 1996Date of Patent: August 27, 2002Assignee: Kao CorporationInventors: Makoto Torizuka, Hirohisa Suzuki, Kana Fujiwara, Takashi Oda, Nobushige Tanaka, Katsuhiko Rindo
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Patent number: 5853611Abstract: The present invention relates to a polyether polymer having structural units represented by general formula (1), wherein R.sup.1 and R.sup.2 mean individually an alkyl group of 1-20 carbon atoms, which may have at least one hydroxyl group, and Y denotes an alkylene group of 1-10 carbon atoms, which may have a hydroxyl group, a preparation process thereof, and a moisturizer, a cosmetic composition and a detergent composition comprising this polymer. The cosmetic composition and detergent composition are excellent in moisture retention, keep up the moisturizing effect over a long period of time and give users a pleasant feeling.Type: GrantFiled: September 11, 1997Date of Patent: December 29, 1998Assignee: Kao CorporationInventors: Hiroshi Kawamukai, Katsuhiko Rindo, Takashi Oda, Masaaki Moriyama, Hideyuki Hanazawa, Yasushi Kajihara
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Patent number: 5389288Abstract: A liquid crystal display which can provide a homogeneous display by preventing an abnormal orientation of a liquid crystal around the spacers or between the spacers during energization, and which comprises spacer particles each having, at least on the surface thereof, a nonionic hydrophilic unit represented by the following formula (1): ##STR1## wherein R represents a C.sub.1 -C.sub.18 alkyl group, a C.sub.2 -C.sub.18 alkenyl group, a C.sub.6 -C.sub.18 aryl group, a C.sub.7 -C.sub.18 alkylaryl group, a C.sub.1 -C.sub.18 acyl group, a C.sub.2 -C.sub.18 alkylcarbamoyl group, a C.sub.2 -C.sub.18 acylcarbamoyl group or a C.sub.7 -C.sub.18 arylcarbamoyl group; R.sub.1 represents a linear or branched alkylene group having 2 to 4 carbon atoms wherein a hydroxyl group may be substituted for a hydrogen atom on the alkylene group; and m is a positive number of 1 to 100 on the average, with the proviso that the plural R.sub.1 's may be the same or different from each other.Type: GrantFiled: August 20, 1993Date of Patent: February 14, 1995Assignee: Kao CorporationInventors: Katsuhiko Rindo, Tadashi Nishimori, Kazuo Kubota, Akira Yoshimatsu
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Patent number: 5318852Abstract: Fine particles of a crosslinked vinyl polymer having a very high compressive modulus of elasticity, i.e., above 550 kg/mm.sup.2 but not higher than 800 kg/mm.sup.2, and being able to be effectively employed as a material capable of maintaining a minute gap constant, and a process for producing the same which comprises polymerizing 100 parts by weight of a vinyl monomer mixture consisting essentially of 20 to 90 parts by weight of m-divinylbenzene, 10 to 60 parts by weight of a vinyl monomer having a nitrile group and 0 to 50 by weight of a vinyl monomer other than m-divinylbenzene and vinyl monomers having a nitrile group in the presence of 3 to 10 parts by weight of a radical polymerization initiator belonging to the organic peroxides, in an aqueous medium.Type: GrantFiled: November 23, 1992Date of Patent: June 7, 1994Assignee: Kao CorporationInventors: Tadashi Nishimori, Katsuhiko Rindo, Akira Yoshimatsu
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Patent number: 5231527Abstract: A liquid crystal display having a structure such that two sheets of substrates each provided with a transparent electrode and an orientation film are disposed opposite to each other through a spacer particle, which has an elastic modulus in compression of 370 to 550 kg/mm.sup.2 at the 10% displacement of the particle diameter, and a liquid crystal layer is also provided. As a result of this structure for the liquid crystal display, a uniform display quality can be realized through a reduction in the cell gap deviation caused when use is made of a thin sheet substrate.Type: GrantFiled: January 27, 1992Date of Patent: July 27, 1993Assignees: Sharp Kabushiki Kaisha, Kao CorporationInventors: Hiroshi Takanashi, Tadashi Nishimori, Katsuhiko Rindo, Akira Yoshimatsu