Patents by Inventor Yutaka Otsuki
Yutaka Otsuki 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: 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: 4176110Abstract: An improved electrocoating composition is described for cathodic electrodepositions, which composition comprises a water-miscible mixture of a substituted conjugated diene polymer or copolymer of a specific general formula, with not more than 30 parts by weight for 100 part of said diene of an epoxy resin, a petroleum resin or mixtures thereof, the mixture being neutralized with an acid.Type: GrantFiled: January 31, 1978Date of Patent: November 27, 1979Assignee: Nippon Petroleum Company, LimitedInventors: Yutaka Otsuki, Yoshihiko Araki, Kazuho Aoyama
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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: 4154708Abstract: An electrophoretic coating composition comprising as an essential component a film-forming ingredient containing (1) an adduct of an .alpha.,.beta.-unsaturated dicarboxylic acid or anhydride thereof to a mixture of a liquid conjugated diene polymer and a polyunsaturated rubber or an 1,2-polybutadiene resin, (2) a mixture of said adduct (1) and an adduct of an .alpha.,.beta.-unsaturated dicarboxylic acid or anhydride thereof to a natural drying oil or thermally polymerized product thereof or (3) an adduct of the same acid or anhydride to a mixture of the liquid conjugated diene polymer, 1,2-polybutadiene or polyunsaturated rubber and natural drying oil or thermally polymerized product thereof. In one embodiment, the adducts (1), (2) and (3) may be substituted with modified ones prepared by reaction of the former with an alcohol, respectively.Type: GrantFiled: January 23, 1978Date of Patent: May 15, 1979Assignee: Nippon Oil Co., Ltd.Inventors: Yoshihiko Araki, Yutaka Otsuki, Hideo Kawaguchi
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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: 4139396Abstract: A paint comprising as a film-forming component a resinous substance obtained by reacting epoxidized polybutadiene containing an unsaturated group and having a low degree of polymerization with a primary or secondary amine. The resinous substance can be easily rendered water-soluble, and is useful as water-base paints, particularly electrodeposition paints that deposit on a cathode. Instead of the epoxidized polybutadiene, epoxidized drying oils or semi-drying oils or epoxidized petroleum resins can also be used.Type: GrantFiled: July 20, 1977Date of Patent: February 13, 1979Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Yoshihiko Araki, Kazuho Aoyama
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Patent number: 4138377Abstract: A paint comprising as a film-forming component a resinous substance obtained by reacting maleinized polybutadiene containing an unsaturated group and having a low degree of polymerization with a diamine compound containing a primary and a secondary amino group. The resinous substance can be readily rendered water-soluble, and is useful as water-base paints, particularly electrodeposition paints that deposit on the cathode. In place of the maleinized polybutadiene, maleinized drying oils or semi-drying oils or maleinized petroleum resins can also be used.Type: GrantFiled: November 16, 1977Date of Patent: February 6, 1979Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Yoshihiko Araki, Kazuho Aoyama
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Patent number: 4137282Abstract: A process for producing a film-forming material, which comprises graft-polymerizing a monomer having a radical polymerizable ethylenically unsaturated group in the presence of a radical initiator with a butadiene polymer of a low degree of polymerization having a number average molecular weight of 300 to 10,000, a butadiene copolymer of a low degree of polymerization containing not more than 50% by weight of a copolymer component, or a mixture of these, in the form of an aqueous solution, said butadiene polymer or copolymer in aqueous solution or aqueous dispersion containing 0.05 to 0.5 mole, per 100 g of the polymer, of a basic group of the general formula ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom or an organic group containing 1 to 8 carbon atoms; R.sub.2 and R.sub.3 are identical or different and represent an organic group containing 1 to 20 carbon atoms; R.sub.Type: GrantFiled: December 5, 1977Date of Patent: January 30, 1979Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Hideo Horii, Yoshihiko Araki
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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: 4072536Abstract: A paint comprising as a film-forming component a resinous substance obtained by reacting maleinized polybutadiene containing an unsaturated group and having a low degree of polymerization with a dialkylaminoalkylamine. The resinous substance can be readily rendered water-soluble, and is useful as aqueous paints, particularly electrodeposition paints that deposit on the cathode. In place of the maleinized polybutadiene, maleinized drying oils or semi-drying oils or maleinized petroleum resins can also be used.Type: GrantFiled: April 14, 1976Date of Patent: February 7, 1978Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Yoshihiko Araki, Kazuho Aoyama
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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