Patents Assigned to Nippon Oil & Fats Co. Ltd.
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Patent number: 5008353Abstract: A novel peroxy aryl carbonate which has the both properties of polymerization-initiating and regulating abilities, can be used as a radical polymerization initiator to regulate the polymerization rate, the polymerization degree and molecular weight distribution of the polymer and the like, and therefore produce superior styrene resin and methyl methacrylate syrup.Type: GrantFiled: November 14, 1988Date of Patent: April 16, 1991Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Takeshi Komai, Kazuo Matsuyama, Isao Honma
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Patent number: 5006957Abstract: A ceramic-forming composition comprises from 2.0 to 5.0 mol parts of MnO.sub.2 and from 0.05 to 0.30 mol part of Y.sub.2 O.sub.3 based on 100 mol parts of a main component comprising from 50.20 to 53.50 mol % of TiO.sub.2 and from 49.80 to 46.50 mol % of SrO. A semiconductor porcelain substrate, a dielectric porcelain substrate and a capacitor are produced by using the same ceramic-forming composition.Type: GrantFiled: June 7, 1990Date of Patent: April 9, 1991Assignees: Canon Kabushiki Kaisha, Nippon Oil & Fats Co., Ltd.Inventors: Motoo Kumagai, Keiichi Kato, Humio Takeuti, Masato Nagano, Michiaki Sakaguchi
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Patent number: 5004780Abstract: A novel cyclic monoperoxyketal represented by the following general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen atoms, or same or different alkyl groups having 1-3 carbon atoms, R.sup.4 represents an alkyl group having 1-5 carbon atoms, R.sup.5 represents an alkyl group having 1-3 carbon atoms, and R.sup.6 and R.sup.7 may be separate groups, in which R.sup.6 represents an alkyl group having 1-3 carbon atoms and R.sup.7 represents an alkyl group having 2-10 carbon atoms, a cycloalkyl group or an aryl group, or may be combined into a cylcoalkylene group having 3-12 carbon atoms, has high stability and excellent decomposition property, and is useful as a polymerization initiator of unsaturated monomers and as a curing agent of unsaturated polyester resin.Type: GrantFiled: March 8, 1989Date of Patent: April 2, 1991Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Kazuo Matsuyama, Takashi Sugiura, Takeshi Komai
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Patent number: 4999247Abstract: A method of forming a colored coating film on a cross-linked polyethylene comprises coating a coloring paint prepared by blending a prepolymer having acryloyl and/or methacryloyl groups in the molecule, a monomer and/or oligmer having the above-mentioned groups in the molecule and a pigment on the surface of cross-linked polyethylene and then curing the paint under the irradiation of UV-rays.Type: GrantFiled: March 20, 1989Date of Patent: March 12, 1991Assignees: Yazaki Corporation, Yazaki Electric Wire Co., Ltd., Nippon Oil and Fats Co., Ltd.Inventors: Yoshinobu Sugimoto, Yoshifumi Mizuguchi, Yoshinobu Hoshino
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Patent number: 4997819Abstract: The invention is a fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by a fatty acid or cholesterol at a proportion of 0.5-5 per 100 of sugar units.Type: GrantFiled: November 21, 1989Date of Patent: March 5, 1991Assignee: Nippon Oil & Fats Co., Ltd.Inventors: Shigehiko Yamaguchi, Junzo Sunamoto
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Patent number: 4992399Abstract: The present invention provides a ceramic having a first region comprising a dielectric porcelain having an insulating layer at the crystal grain boundary of a semiconductor porcelain containing 0.50 to 5.30 mol parts of MnO.sub.2 and 0.02 to 0.40 mol parts of Y.sub.2 O.sub.3 per 100 mol parts of the principal components comprising 49.50 to 54.00 mol % of TiO.sub.2 and 50.50 to 46.00 mol % of SrO, and a second region comprising a dielectric porcelain containing further 0.40 to 5.00 mol parts of Al.sub.2 O.sub.3 and 0.05 to 2.00 mol parts of SiO.sub.2 per 100 mol parts of the principal components in addition to the composition of the first region, and also provides a circuit substrate and an electronic circuit substrate using the same ceramic.Type: GrantFiled: June 21, 1988Date of Patent: February 12, 1991Assignees: Canon Kabushiki Kaisha, Nippon Oil & Fats Co., Ltd.Inventors: Motoo Kumagai, Keiichi Kato, Masato Nagano, Michiaki Sakaguchi
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Patent number: 4990323Abstract: A composition for a reduction-reoxidation type semiconductive ceramic capcitor is disclosed which consists substantially of 100 mol % of a barium composite oxide consisting of BaTiO.sub.3 and BaZrO.sub.3 and having a BaZrO.sub.3 content in the range of 0 to 20 mol %, 0.3 to 3.0 mol % of Bi.sub.2 O.sub.3, and 0.1 to 8.5 mol % of at least one member selected from the group consisting of TiO.sub.2 and ZrO.sub.2 and further incorporates therein 0.001 to 1.00% by weight of at least one member selected from the group consisting of the oxides of Cr, Fe, Co, Zn, Cu, Al, Si, and Mg. This composition possesses a breakdown voltage of not less than 400 V, an insulation resistance of not less than 10.sup.9 .OMEGA., an electrostatic capacity of not less than 0.65 .mu.F/cm.sup.2 per unit surface area, and a magnitude, tan .delta., of less than 2.5%.Type: GrantFiled: June 14, 1989Date of Patent: February 5, 1991Assignee: Nippon Oil & Fats Co., Ltd.Inventors: Kazuhito Narumi, Fumio Takeuchi, Michiaki Sakaguchi
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Patent number: 4987165Abstract: A novel thermoplastic resin composition is here disclosed which contains (I) 99 to 1% by weight of a polysulfone or polyether sulfone; (II) 1 to 99% by weight of an acrylonitrile-butadiene-styrene resin; (III) 0.1 to 100 parts by weight, based on 100 parts by weight of the aforesaid resin (I)+(II), of a multi-phase structure thermoplastic resin which is composed of 5 to 95% by weight of an epoxy group-containing olefin copolymer and 95 to 5% by weight of a vinyl polymer or copolymer obtained from at least one kind of vinyl monomer, either of the polymer or copolymer being in the state of a dispersion phase having a particle diameter of 0.001 to 10 .mu.m; and (IV) 0 to 150 parts of an inorganic filler.Furthermore, a method for preparing the aforesaid composition is also disclosed.Type: GrantFiled: September 28, 1989Date of Patent: January 22, 1991Assignees: Nippon Petrochemicals Co., Ltd., Nippon Oil & Fats Co., Ltd.Inventors: Yuichi Orikasa, Suehiro Sakazume
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Patent number: 4987107Abstract: A ceramic composition for a reduction-reoxidation type semiconductive capacitor, comprising (A) barium titanate or barium titanate and strontium titanate, (B) titanium oxide, and (C) at least one oxide selected from the group consisting of the oxides severally of La, Ce, Nb, Nd, Dy, Y, Sb, W, and Ta in a molar ratio of 100:0.01.about.15:0.01.about.10 and further comprising (D) 0.001 to 1% by weight, based on the total amount of the compounds, (A), (B), and (C), of at least one oxide selected from the group consisting of the oxides severally of Cu, Zn, Al, Mg, and Mo and exhibiting a breakdown voltage of not less than 900 V, and insulation resistance of not less than 10.sup.10 .OMEGA., an electrostatic capacity per unit surface area of not less than 0.06 .mu.F/cm.sup.2, and a low dielectric loss, tan .delta., of not more than 2.0%.Type: GrantFiled: June 2, 1989Date of Patent: January 22, 1991Assignee: Nippon Oil & Fats Co., Ltd.Inventors: Kazuhito Narumi, Fumio Takeuchi, Michiaki Sakaguchi
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Patent number: 4985500Abstract: A primer composition usable for steel sheets and plastic sheets in vehicle bodies consists essentially of a component (A) consisting essentially of at least one resin having a glass transition temperature of not higher than -20.degree. C., preferably not lower than -75.degree. C., and an elongation at break of not less than 400%, preferably not greater than 900%, at 20.degree. C. and a component (B) consisting essentially of at least one crosslinking resin, the weight ratio of solid content of (A) to (B) being 70-99:30-1.Type: GrantFiled: May 23, 1988Date of Patent: January 15, 1991Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Shosaku Yamamoto, Kazuo Kakinuma
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Patent number: 4983663Abstract: There is here provided a thermoplastic resin composition containing(I) 99 to 1% by weight of an ABS resin,(II) 1 to 99% by weight of at least one kind of resin selected from an aromatic polyester resin and a polyamide resin(III) 0.1 to 100 parts by weight, based on 100 parts by weight of the aforesaid resins (I)+(II), of a multi-phase structure thermoplastic resin which is composed of 5 to 95% by weight of an epoxy group-containing olefin copolymer and 95 to 5% by weight of a vinyl polymer or copolymer obtained from at least one kind of vinyl monomer, either of the polymer or copolymer being in the state of a dispersion phase having a particle diameter of 0.001 to 10 .mu.m. A method for preparing the above-mentioned thermoplastic resin composition is also provided here.Type: GrantFiled: October 28, 1988Date of Patent: January 8, 1991Assignees: Nippon Petrochemicals Co., Nippon Oil & Fats Co., Ltd.Inventors: Yuichi Orikasa, Suehiro Sakazume, Sadahiro Nishimura, Yoshinori Maki
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Patent number: 4971799Abstract: A percutaneous-administration-type pharmaceutical preparation of nitroglycerin comprising a backing that is impervious to medicines, and a pressure-sensitive adhesive layer that is disposed on one surface of the backing, wherein the pressure-sensitive adhesive layer contains alkyl (meth)acrylate copolymer in the concentration of 80-95% by weight and the nitroglycerin in the concentration of 5-20% by weight, said copolymer contains as major copolymer components alkyl (meth)acrylate with alkyl groups having 6 or more carbon atoms, which alkyl (meth)acrylates include 2-ethylhexylmethacrylate in the concentration of 40-90% by weight based on the total weight of said alkyl (meth)acrylates, and the copolymer has a rolling ball tack value of 2 or less. The preparation obtained makes it possible for nitroglycerin to be absorbed percutaneously at a controlled rate for long periods of time.Type: GrantFiled: March 31, 1988Date of Patent: November 20, 1990Assignees: Sekisui Kagaku Kogyo Kabushiki Kaisha, Sanwa Kagaku Kenkyusho Co., Ltd., Nippon Oil & Fats Co., Ltd.Inventors: Takashi Nakagawa, Masayasu Kurono, Makoto Sato, Tsutomu Ishida, Kazushi Tokita, Katsuhiko Takahashi, Masato Azuma, Satoshi Uenoyama
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Patent number: 4962148Abstract: There is here provided a thermoplastic resin composition containing(I) 99 to 1% by weight of a polypropylene,(II) 1 to 99% by weight of at least one kind of resin selected from the group consisting of an aromatic polyester resin, a polycarbonate resin, a polyamide resin, a polyphenylene ether resin or a mixture of the polyphenylene ether resin and a styrene polymer and an ABS resin, and(III) 0.1 to 100 parts by weight, based on 100 parts by weight of the aforesaid resins (I)+(II), of a multi-phase structure thermoplastic resin which is composed of 5 to 95% by weight of a polyolefin and 95 to 5% by weight of a vinyl polymer or copolymer obtained from at least one kind of vinyl monomer, either of both the components being in the state of a dispersion phase having a particle diameter of 0.001 to 10 .mu.m. A method for preparing the above-mentioned thermoplastic resin composition is also provided here.Type: GrantFiled: September 8, 1988Date of Patent: October 9, 1990Assignees: Nippon Petrochemicals Co., Ltd, Nippon Oil & Fats Co., Ltd.Inventors: Yuichi Orikasa, Suehiro Sakazume, Sadahiro Nishimura, Yoshinori Maki
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Patent number: 4960794Abstract: Triglycerides are stabilized by preventing hydrolysis of triglycerides. A method for stabilizing triglycerides comprises controlling a polymorphic composition of the triglycerides so that the polymorphic composition includes either 10 to 30% by weight of .alpha. type, 20 to 40% by weight of .beta.' type and 40 to 60% by weight of .beta. type or 35 to 55% by weight of .beta.' type and 45 to 65% by weight of .beta. type.Type: GrantFiled: October 3, 1988Date of Patent: October 2, 1990Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Nobuyuki Tsubaki, Yoshio Nakano
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Patent number: 4952538Abstract: A ceramic comprises a first region comprising a dielectric porcelain having an insulating layer at the crystal grain boundary of a semiconductor porcelain containing 0.50-5.30 mol parts of MnO.sub.2 and 0.02-0.40 mol parts of Y.sub.2 O.sub.3 per 100 mol parts of a principal components consisting of 49.50-54.00 mol % of TiO.sub.2 and 50.50-46.00 mol % of SrO, and a second region comprising a dielectric porcelain containing further 0.40-5.00 mol parts of MgO, based on 100 mol parts of said principal components, in addition to the composition of the first region.Type: GrantFiled: June 30, 1988Date of Patent: August 28, 1990Assignees: Canon Kabushiki Kaisha, Nippon Oil & Fats Co., Ltd.Inventors: Motoo Kumagai, Keiichi Kato, Masato Nagano, Michiaki Sakaguchi
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Patent number: 4946904Abstract: An additive for cement comprising, as the effective component, a copolymer of a polyoxyalkylene derivative represented by following formula (1) and maleic anhydride, a hydrolyzed product of the copolymer, or a salt of the hydrolyzed product; ##STR1## wherein Z represents a residue of a compound having a hydroxy group, said compound having from 2 to 8 carbon atoms; AO represents an oxyalkylene group having from 2 to 18 carbon atoms; X represents an unsaturated hydrocarbon group having from 2 to 5 carbon atoms or an unsaturated acyl group having from 2 to 5 carbon atoms; R represents hydrocarbon group having from 1 to 40 carbon atoms; a represents 0 to 1,000; b represents 0 to 1,000; c represents 0 to 1,000; l represents 1 to 7, m represents 0 to 2; and n represents 1 to 7; l+m+n=2 to 8, m/(l+n).ltoreq.1/2, and al+bm+cn.gtoreq.1.Type: GrantFiled: May 13, 1988Date of Patent: August 7, 1990Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Shin-ichi Akimoto, Susumu Honda, Tohru Yasukohchi
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Patent number: 4946918Abstract: A synthetic resin compatibilizer comprising a copolymer of a polyoxyalkylene derivative represented by general formula(I) with maleic anhydride, maleic acid, or a salt or an ester thereof ##STR1## where B represents a residue of a compound having from 2 to 8 hydroxyl groups; AO represents an oxyalkylene group having from 2 to 18 carbon atoms; R.sup.1 represents an unsaturated hydrocarbon group having from 2 to 5 carbon atoms; R.sup.2 represents a hydrocarbon or acyl group having from 1 to 40 carbon atoms; a is from 0 to 1,000; b is from 0 to 1,000; c is from 0 to 1,000; l is from 1 to 8; m is from 0 to 2; and n is from 0 to 7; l+m+n=2 to 8; al+bm+cn=1 to 1,000, and m/(l+n).ltoreq.1/3.The synthetic resin compatibilizer provides a polymer alloy having excellent tensile and flexural strengths.Type: GrantFiled: November 3, 1988Date of Patent: August 7, 1990Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Saburo Akiyama, Susumu Honda, Shin-ichi Akimoto, Tohru Yasukohchi
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Patent number: 4943469Abstract: The present invention provides a ceramic having a first region comprising a dielectric porcelain having an insulating layer at the crystal grain boundary of a semiconductor porcelain containing 0.50 to 5.30 mol parts of MnO.sub.2 and 0.02 to 0.40 mol parts of Y.sub.2 O.sub.3 per 100 mol parts of the principal components comprising 49.50 to 54.00 mol% of TiO.sub.2 and 50.50 to 46.00 mol% of SrO, and a second region comprising a dielectric porcelain containing further 0.40 to 5.00 mol parts of MgO and 0.05 to 2.00 mol parts of SiO.sub.2 per 100 mol parts of the principal components in addition to the composition of the first region, and also provides a circuit substrate and an electronic circuit substrate using the same ceramic.Type: GrantFiled: July 7, 1988Date of Patent: July 24, 1990Assignees: Canon Kabushiki Kaisha, Nippon Oil & Fats Co. Ltd.Inventors: Motoo Kumagai, Keiichi Kato, Masato Nagano, Michiaki Sakaguchi
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Patent number: 4942079Abstract: A ceramic comprising a first region comprises a dielectric porcelain having an insulating layer at the crystal grain boundary of a semiconductor porcelain containing 0.50-5.30 mol parts of MnO.sub.2 and 0.02-0.40 mol parts of Y.sub.2 O.sub.3 per 100 mol parts of a principal components consisting of 49.50-54.00 mol % of TiO.sub.2 and 50.50-46.00 mol % of SrO, and a second region comprising a dielectric porcelain containing further 0.40-5.00 mol parts of Al.sub.2 O.sub.3, based on 100 mol parts of said principal components, in addition to the composition of the first region.Type: GrantFiled: June 16, 1988Date of Patent: July 17, 1990Assignees: Canon Kabushiki Kaisha, Nippon Oil & Fats Co. Ltd.Inventors: Motoo Kumagai, Keiichi Kato, Masato Nagano, Michiaki Sakaguchi
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Patent number: 4933417Abstract: The invention provides a pigment dispersing agent being a product obtained by reacting a component A of an amine compound having one or more active hydrogen atom per one molecule and a weight average molecular weight of 60.about.30,000 with at least one component B represented by the following general formula (I), (II) or (III): ##STR1## [wherein R.sub.1 is an alkyl group having a carbon number of 1.about.20 or a residue of aromatic monocarboxylic acid, R.sub.2 is a phenyl group, an alkyl group having a carbon number of 5.about.19, ##STR2## group (R.sub.6 is an alkyl group or an aromatic group having a carbon number of 3.about.17) or --CH.sub.2 --O--R.sub.7 group (R.sub.7 is an alkyl group or an aromatic group having a carbon number of 4.about.18), R.sub.3 is a residue of acid anhydride having a carbon number of 2.about.6, R.sub.4 is an alkylene group having a carbon number of 1.about.7, R.sub.5 is a residue of saturated aliphatic, alicyclic or aromatic monoalcohol having a carbon number of 1.about.Type: GrantFiled: December 2, 1988Date of Patent: June 12, 1990Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Toshio Yamamoto, Yoshiro Matsubara