Patents by Inventor Iwao Hisamoto
Iwao Hisamoto 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: 5079299Abstract: This invention provides a mold release composition copmrising (1) a compound or a polymer having at least one of perfluoroalkyl groups having 4 to 20 carbon atoms and perfluoroalkenyl groups having 4 to 20 carbon atoms, and (2) a ladder polymer of organosilsesquioxane.Type: GrantFiled: July 16, 1989Date of Patent: January 7, 1992Assignee: Daikin Industries, Ltd.Inventors: Iwao Hisamoto, Masayoshi Shinjyo, Seiji Takubo, Yasuko Katakura
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Patent number: 4976741Abstract: An antistatic agent comprising a fluorine-containing anionic surfactant and a nonionic surfactant in a weight ratio of 95:5 to 5:95 or an anionic surfactant and a fluorine-containing surfactant in a weight ratio of 95:5 to 5:95, which, even in a small amount, can impart an antistatic effect to a substrate.Type: GrantFiled: June 12, 1986Date of Patent: December 11, 1990Assignee: Daikin Industries Ltd.Inventors: Iwao Hisamoto, Masaru Hirai, Sueyoshi Ishikawa
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Patent number: 4927950Abstract: A fluorine-containing silane compound of the formula: ##STR1## wherein R.sub.f is a fluorine-containing C.sub.4 --C.sub.18 aliphatic group, R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 alkyl group, A is a straight or branched C.sub.1 -C.sub.12 alkylene group or a group of the formula: ##STR2## in which R.sup.2 is hydrogen or a C.sub.1 -C.sub.3 acyl group, R.sup.3 is a C.sub.1 -C.sub.6 acyl group, A' is a C.sub.2 -C.sub.8 alkylene group, A" is a C.sub.1 -C.sub.4 alkylene group, and Q is --CO-- or --SO.sub.2 --, B is a group of the formula: ##STR3## in which R.sup.4 and R.sup.5 are each a straight or branched C.sub.2 or C.sub.3 alkylene group, and p is 2 or 3, X is chlorine or a C.sub.1 -C.sub.3 alkoxy group, X' is chlorine or a C.sub.1 -C.sub.3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 0 to 40, which modifies surface characteristics of a solid substrate.Type: GrantFiled: March 8, 1985Date of Patent: May 22, 1990Assignee: Daikin Industries, Ltd.Inventors: Iwao Hisamoto, Masaru Hirai, Sueyoshi Ishikawa
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Patent number: 4729849Abstract: A fluorine-containing surface active composition capable reducing the surface tension of water and the interfacial tension between water and oil, which comprises (A) at least one of cationic, non-ionic to ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0 % by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.Type: GrantFiled: July 14, 1986Date of Patent: March 8, 1988Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
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Patent number: 4695488Abstract: A soil release composition comprising:(A) a polymer comprising 10 to 100% by weight of constituting units of the formula: ##STR1## wherein R.sub.f is a C.sub.3 --C.sub.21 fluoroalkyl group; R.sup.1 is a hydrogen atom or a C.sub.2 --C.sub.4 acyl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are, the same or different, each a hydrogen atom, a methyl group or an ethyl group; A is a group of the formula: --CH.sub.2 CH(OR.sup.1)CH.sub.2 --OCO-- which R.sup.1 is the same as defined in the above, --CO--, --(CH.sub.2).sub.k N(R.sup.2)CO-- in which R.sup.2 is the same as defined in the above and k is an integer of 1 to 10, or --(CH.sub.2).sub.Type: GrantFiled: March 3, 1986Date of Patent: September 22, 1987Assignee: Daikin Industries, Ltd.Inventors: Iwao Hisamoto, Masaru Hirai, Sueyoshi Ishikawa
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Patent number: 4681974Abstract: A fluorine-containing polymer comprising units of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, a fluorine-containing organic group, R.sup.3 and R.sup.4 are, the same and different, hydrogen or a lower acyl group, and Q.sup.1 and Q.sup.2 are, the same or different, a divalent organic group with at least one oxy group, which polymer having a number average molecular weight of 5,000 to 100,000, which is easily dissolved in oils and lowers surface tension thereof.Type: GrantFiled: April 23, 1985Date of Patent: July 21, 1987Assignee: Daikin Industries Ltd.Inventors: Iwao Hisamoto, Masayuki Yamana
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Patent number: 4638089Abstract: A fluorine-containing quaternary ammonium compound of the formula: ##STR1## wherein R.sub.f is a fluorine-containing straight or branched aliphatic hydrocarbon or polyether group, R.sub.1, R.sub.2 and R.sub.3 are each a C.sub.1 -C.sub.21 straight or branched alkyl, hydroxyalkyl or alkenyl group or a substituted or unsubstituted aryl or aralkyl group, R.sub.4 is a hydrogen atom or a acyl group, X.sup.- is an anion and n is an integer of 1 to 3, having a capability of reducing the surface tension of water and the interfacial tension between water and oil.Type: GrantFiled: April 24, 1981Date of Patent: January 20, 1987Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
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Patent number: 4609489Abstract: A fluorine-containing surface active composition capable reducing the surface tension of water to the interfacial tension between water and oil, which comprises (A) at least one of cationic, non-ionic and ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0 % by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.Type: GrantFiled: March 29, 1984Date of Patent: September 2, 1986Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
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Patent number: 4606832Abstract: A fire extinguishing composition which comprises bromofluorohydrocarbon and/or bromochlorofluorohydrocarbon and a fluorine-containing high molecular compound.Type: GrantFiled: November 4, 1983Date of Patent: August 19, 1986Assignee: Daikin Kogyo Company, LimitedInventors: Iwao Hisamoto, Chiaki Maeda, Takasige Esaka, Masaru Hirai
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Patent number: 4578209Abstract: The present invention relates to a composition for cleaning a surface of a substrate, which contains as main components, (a) a halogenated hydrocarbon solvent, (b) a fluorine-containing alcohol and (c) an organic acid.Type: GrantFiled: February 20, 1985Date of Patent: March 25, 1986Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Yukio Omure
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Patent number: 4563287Abstract: An aqueous fire-extinguishing composition comprising an aqueous solvent and a water-soluble high molecular compound which contains a fluoroalkyl group and a water-solubilizable group, has an average molecular weight of not less than 5,000 and fluorine content of not less than 10% by weight and is soluble in water in an amount of at least 0.1% by weight at 25.degree. C. and the surface tension of which is not more than 50 dyn/cm when measured on 0.1 to 5.0% by weight aqueous solution at 25.degree. C. has excellent fire-extinguishing performance on fire of cooking oil, particularly of frying oil.Type: GrantFiled: August 16, 1983Date of Patent: January 7, 1986Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Takasige Esaka, Masaru Hirai
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Patent number: 4559179Abstract: A fluorine-containing vinyl compound of the formula: ##STR1## wherein Rf is fluoroalkyl of 4 to 20 carbon atoms, R.sub.1 is hydrogen or acyl of 1 to 3 carbon atoms, one of R.sub.2 and R.sub.3 is hydrogen and the other is methyl, R.sub.4 is hydrogen or methyl, A is a divalent organic group, and l, m and n are each an integer of 0 to 40 and satisfy 0<l+m+n.ltoreq.40, which can modify surface properties of resins.Type: GrantFiled: April 5, 1984Date of Patent: December 17, 1985Assignee: Daikan Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Masaru Hirai
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Patent number: 4530776Abstract: A cleaning composition comprising (a) a halogenated and/or non-halogenated hydrocarbon, (b) a fluorinated alcohol, and optionally (c) a polar organic solvent other than the components (a) and (b), the composition being useful for removing waxes, which are used for temporarily fixing objects to be polished in the electronics or optical industry to a support, from the surfaces of the objects after the detachment from the support.Type: GrantFiled: February 23, 1984Date of Patent: July 23, 1985Assignee: Kaikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Yukio Omure
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Patent number: 4517108Abstract: A cleaning composition containing 1,1,2,2-tetrachloro-1,2-difluoroethane, 1,1,2-trichloro-1,2,2-trifluoroethane and at least one other organic solvent having a melting point of not more than 15.degree. C. and a boiling point of 40.degree. to 150.degree. C. and capable of forming an azeotrope with at least one of said 1,1,2,2-tetrachloro-1,2-difluoroethane and 1,1,2-trichloro-1,2,2-trifluoroethane.Type: GrantFiled: September 23, 1983Date of Patent: May 14, 1985Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Yukio Omure, Sueyoshi Ishikawa
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Patent number: 4511733Abstract: A fluorine-containing aminocarboxylic acid compound of the formula: ##STR1## wherein Rf is a C.sub.3 -C.sub.21 fluorine-containing aliphatic group; R.sub.1 is a hydrogen atom or a C.sub.1 -C.sub.3 acyl group; R.sub.2 is a hydrogen atom or a C.sub.1 -C.sub.5 alkyl group; R.sub.3 is a substituted or unsubstituted C.sub.1 -C.sub.3 alkylene group; M is a cation; and n is an integer of 1 to 5 effectively lowers the surface tension of water and/or organic liquids and the interfacial tensions between them.Type: GrantFiled: December 23, 1982Date of Patent: April 16, 1985Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Masaru Hirai
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Patent number: 4472294Abstract: A fluorine-containing compound of the formula: ##STR1## wherein Rf is a C.sub.3 -C.sub.21 fluorine-containing group; R is a hydrogen atom or a C.sub.1 -C.sub.4 acyl group; Q is an aliphatic or aromatic hydrocarbon group having not more than twenty-one carbon atoms; and n is an integer of 1 to 10 lowers the surface tensions of water and/or organic liquids and the interfacial tensions between them.Type: GrantFiled: January 29, 1982Date of Patent: September 18, 1984Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
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Patent number: 4459221Abstract: A fluorine-containing surface active composition capable of reducing the surface tension of water and the interfacial tension between water and oil, which comprises (A) at least one cationic, non-ionic or ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0% by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.Type: GrantFiled: June 26, 1981Date of Patent: July 10, 1984Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
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Patent number: 4428851Abstract: A volatile oil composition for use in metal working comprising a base oil and at least one halogenated hydrocarbon.Type: GrantFiled: December 1, 1981Date of Patent: January 31, 1984Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Yukio Omure
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Patent number: 4383932Abstract: A water removing composition suitable for use in treating solid surfaces which comprises (a) a halogenated hydrocarbon solvent, (b) at least one member selected from the group consisting of amines having an oxyalkylene group, their salts with an organic acid of the formula, R.sup.1 COOH, HOOCR.sup.2 COOH, R.sup.1 SO.sub.3 H, R.sup.1 OPO.sub.3 H or (R.sup.1 O).sub.2 PO.sub.2 H, wherein R.sup.1 is an alkyl group having 1 to 20 carbon atoms which may be substituted with a hydroxyl group or an alkylphenyl group having 7 to 26 carbon atoms and R.sup.2 is an alkylene group having 1 to 10 carbon atoms, and quaternary ammonium salts composed of an ammonium having an oxyalkylene group and an acid radical of the above-mentioned organic acids, and (c) at least one substituted amine salt with dialkyl sulfosuccinate of the formula ##STR1## wherein R.sup.1 is as defined above, and R.sup.3, R.sup.4 and R.sup.Type: GrantFiled: November 4, 1977Date of Patent: May 17, 1983Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Yukio Omure, Takashi Onishi
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Patent number: 4378303Abstract: An azeotropic solvent composition comprising about 64.6 to 89.0% by weight of tetrachlorodifluoroethane, about 3.7 to 34.2% by weight of an alcohol having carbon atoms of 1 to 5 and about 1.2 to 7.3% by weight of nitroethane.Type: GrantFiled: April 13, 1981Date of Patent: March 29, 1983Assignee: Daikin Kogyo Co., Ltd.Inventors: Iwao Hisamoto, Chiaki Maeda, Yukio Omure