Patents by Inventor Atsushi Kaiya
Atsushi Kaiya 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: 6165481Abstract: Highly pure squalane in which the content of pristane is reduced to 10 wt ppm or less, can be obtained by refining the squalane of animal oil or fat origin through thin film distillation, said highly pure squalane is useful as a raw material for producing cosmetics and medical and pharmaceutical preparations and especially, it is quite effective as a lubricating agent for condoms and as a component of adjuvant composition.Type: GrantFiled: December 22, 1998Date of Patent: December 26, 2000Assignee: Nippon Petrochemicals Company, Inc.Inventors: Atsushi Kaiya, Tomio Nakamura, Hironaka Wada
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Patent number: 4691759Abstract: The present invention provides a binder for foundry sand which comprises a hydrolyzate of a butadiene/maleic anhydride copolymer, a neutralized or a partially neutralized substance of the hydrolyzate, a modified substance prepared by modifying the hydrolyzate with a basic organic compound, or a mixture thereof.Type: GrantFiled: July 22, 1986Date of Patent: September 8, 1987Assignee: Nippon Petrochemicals Co., Ltd.Inventors: Masaru Hayakawa, Takeshi Yoshida, Atsushi Kaiya
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Patent number: 4624976Abstract: A composition for modeling material comprising a synthetic resin, a wooden powder and an oil formulated and kneaded. The synthetic resin is a rubber-reinforced styrene resin. The oil is a hydrocarbon oil having a specified viscosity, and restriction of the content of an aromatic ring-forming carbon. The composition is formed into flat board, round rod, etc. and used as modeling material for shaping patterns or models.Type: GrantFiled: July 22, 1985Date of Patent: November 25, 1986Assignees: Nippon Petrochemicals Co., Ltd., Ube Cycon, Ltd.Inventors: Osamu Amano, Atsushi Kaiya, Takao Tanaka, Hitoshi Akimura, Katsuhiro Tsujihata, Kouji Hirata
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Patent number: 4313019Abstract: In a method for producing a low molecular weight polymer or copolymer by introducing metallic sodium or an organic sodium compound as a polymerization initiator, an alkyl aryl compound as a chain transfer agent, an inert hydrocarbon as a solvent and a conjugated diolefin or both a conjugated diolefin and a vinyl compound having anionic copolymerization activity with diolefins as a monomer or monomers, into a polymerization vessel and polymerizing or copolymerizing therein successively at a temperature of 0.degree. to 100.degree. C., the improvement in the method for producing a low molecular weight polymer or copolymer having a number average molecular weight of 300 to 10,000 with good reproducibility is characterized in that 0.05 to 10 mole % per 1 mole of the said polymerization initiator, of oxygen is fed into said polymerization vessel.Type: GrantFiled: December 2, 1977Date of Patent: January 26, 1982Assignee: Nippon Oil Co., Ltd.Inventors: Hajime Hara, Atsushi Kaiya, Yoshihiko Araki
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Patent number: 4197226Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: May 1, 1978Date of Patent: April 8, 1980Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4196113Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: May 1, 1978Date of Patent: April 1, 1980Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4196112Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha., .beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: May 1, 1978Date of Patent: April 1, 1980Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4176109Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: October 25, 1977Date of Patent: November 27, 1979Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4175068Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: October 25, 1977Date of Patent: November 20, 1979Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4171308Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: October 25, 1977Date of Patent: October 16, 1979Assignee: Nippon Oil Co. Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4155942Abstract: A process of transmetalating organoalkali metals is disclosed, wherein organoalkali metal compounds are reacted with hydrocarbon compounds in the presence of predetermined amounts of oxygen.Type: GrantFiled: December 12, 1977Date of Patent: May 22, 1979Assignee: Nippon Oil Company, LimitedInventors: Hajime Hara, Atsushi Kaiya, Yoshihiko Araki
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Patent number: 4145501Abstract: There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound resulting from the special addition reaction, a hydrophilic solvent and a neutralizer.Type: GrantFiled: November 16, 1977Date of Patent: March 20, 1979Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii
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Patent number: 4136088Abstract: A method for recovering a low molecular weight polymer containing no catalyst residue, which method comprises the steps of: polymerizing a conjugated diolefin or copolymerizing comonomers of conjugated diolefins and a vinyl compound having anionic polymerization activity in the presence of a catalyst containing an organic sodium compound and a chain transfer agent of an alkyl aryl compound; uniformly mixing the obtained polymerization mixture with an isopropyl alcohol aqueous solution; separating the thus obtained mixture into two phases of a polymer mixture containing the liquid low molecular weight polymer and an isopropyl alcohol aqueous solution containing catalyst residue; and separating the low molecular weight polymer from the polymer mixture.Type: GrantFiled: March 14, 1977Date of Patent: January 23, 1979Assignee: Nippon Oil Co., Ltd.Inventors: Atsushi Kaiya, Eizo Arai, Hideo Kawaguchi, Kazuo Miyazaki
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Patent number: 4091052Abstract: A coating composition is disclosed which is curable at room temperature uniformly at and through the surface and inner portions of a film formed upon application of the composition to an article. The coating composition is characterized by the combination with a starting butadiene polymer (to which an acid is added) of a poly-(metha)-acrylate of a polyhydric alcohol, at least one of the compounds which have an allyl ether group, a tetrahydrofurfuryl group or a benzyl ether group, a radical generator and, if desired, a pigment.Type: GrantFiled: June 1, 1976Date of Patent: May 23, 1978Assignee: Nippon Oil Company LimitedInventors: Hideo Horii, Yutaka Otsuki, Atsushi Kaiya, Yoshihiko Araki
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Patent number: 4085263Abstract: When a lower polymer of butadiene or a lower copolymer of butadiene with a conjugated diolefin other than butadiene or a vinyl-substituted aromatic comonomer is reacted at 0.degree. to 200.degree. C. in the presence of a combination catalyst including an organic alkali metal compound and a specific diamino compound, the non-conjugated double bonds are effectively isomerized to the conjugated diene double bonds at a very high conversion, and a polymer having a high reactivity, which is useful as a paint vehicle, a thermosetting material, an adhesive, a rubber compounding material and an intermediate for various synthetic reactions, can be obtained.Type: GrantFiled: May 15, 1975Date of Patent: April 18, 1978Assignee: Nippon Oil Company, LimitedInventors: Yutaka Otsuki, Hirosuke Imai, Atsushi Kaiya, Hideo Horji
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Patent number: 4085265Abstract: When a lower polymer of butadiene or a lower copolymer of butadiene with a conjugated diolefin other than butadiene or a vinyl-substituted aromatic comonomer is reacted at 0 to 200.degree. C. in the presence of a combination catalyst including an organic alkali metal compound and a specific diamino compound, the non-conjugated double bonds are effectively isomerized to the conjugated diene double bonds at a very high conversion, and a polymer having a high reactivity, which is useful as a paint vehicle, a thermosetting material, an adhesive, a rubber compounding material and an intermediate for various synthetic reactions, can be obtained.Type: GrantFiled: October 29, 1976Date of Patent: April 18, 1978Assignee: Nippon Oil Company, LimitedInventors: Yutaka Otsuki, Hirosuke Imai, Atsushi Kaiya, Hideo Horii
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Patent number: 3952023Abstract: In a method for preparing an adduct of (A) a butadiene lower polymer or butadiene lower copolymer and (B) a .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid compound, said method is characterized in that said (A) and (B) are caused to react in the presence of one or more compounds selected from (C) p-phenylenediamine derivatives, catechol derivatives, pyrogallol derivatives, N-nitrosamines, quinoline derivatives and naphthol derivatives, thus serious increase of the viscosity of said adduct in the addition reaction can be prevented.Type: GrantFiled: December 12, 1973Date of Patent: April 20, 1976Assignee: Nippon Oil Company Ltd.Inventors: Atsushi Kaiya, Yutaka Otsuki, Hideo Horii