Patents Assigned to Nippon Oil & Fats Co. Ltd.
  • Patent number: 7601768
    Abstract: An antifogging paint composition for forming an antifogging coating film without generation of the running water trace. The antifogging paint composition contains a block or grafted copolymer comprising a hydrophilic polymer part formed from a vinyl monomer having a cross-linking functional group and a water-soluble vinyl monomer, and a hydrophobic polymer part formed from a non water-soluble vinyl monomer, and an acidic alkyl phosphate.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: October 13, 2009
    Assignee: Nippon Oil & Fats Co. Ltd.
    Inventors: Norikazu Takizuka, Eiji Harata, Masato Sugiura
  • Patent number: 5883152
    Abstract: A contact lens contains a copolymer obtained by copolymerizing, as an indispensable feed monomer, 2 to 95 wt. % of a carboxylic acid ester monomer and 98 to 5 wt. % of a copolymerizable monomer. The carboxylic acid ester monomer is represented by the formula (I) ##STR1## wherein R.sub.1 stands for a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 1 to 12 carbon atoms, a cyclic alkyl group having 3 to 12 carbon atoms or an aryl group, and X stands for ##STR2## in which R.sub.2 and R.sub.3 each stand for a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 1 to 12 carbon atoms, a cyclic alkyl group having 3 to 12 carbon atoms or an aryl group, m and 1 being integers of from 0 to 4, at least one of R.sub.1, R.sub.2 and R.sub.3 being a group containing a fluorine atom and n being an integer of from 0 to 4.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: March 16, 1999
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Keizo Anan, Yoshishige Murata, Naoyuki Amaya, Tuyoshi Miyazaki
  • Patent number: 5498663
    Abstract: A powder coating material for providing a crepe-like coating having a uniformly and densely distributed superior aesthetic appearance and having a high corrosion resistance, which is capable of forming a color distinct ridges and valleys of the wrinkle profile of the coating layer, said powder coating material consisting of a co-milled powdery product of which particle sizes are not higher than 105 .mu.m and which is composed of (A) 95-99.5 parts by weight of a first resin component comprising a thermosetting resin solid at ordinary temperature and (B) 5-0.5 parts by weight of a second resin component comprising a thermosetting resin solid at ordinary temperature and containing 3-8% by weight of a cellulose ester, wherein the powder coating material is prepared by co-milling pelletized resin products of the components (A) and (B).
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: March 12, 1996
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Eiji Shimada, Kenzo Maeda, Shingo Okamoto
  • Patent number: 5478575
    Abstract: The present invention provides a polymer complex of a sugar response type having boronic acid groups in the polymer. Medicines may be contained or linked, preferably, the medicines have hydroxy groups. The polymer having boronic acid groups and the medicine having hydroxy groups may be linked by boronic acid ester bonds. The complex may also comprises polymers having boronic acid groups and polymers having hydroxy groups, and these polymers may be cross-linked.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: December 26, 1995
    Assignee: Nippon Oil & Fats Co., Ltd.
    Inventors: Tsuyoshi Miyazaki, Yoshishige Murata, Daijiro Shiino, Kazunori Waki, Yasuhisa Sakurai, Teruo Okano, Kazunori Kataoka, Yoshiyuki Koyama, Masayuki Yokoyama, Shigeru Kitano
  • Patent number: 5438098
    Abstract: There is provided a thermoplastic resin composition, the composition comprising1 to 99% by weight of polyarylenesulfide-type resin (I),99 to 1% by-weight of at least one resin (II) selected from the group consisting of polycarbonate-type polyphenyleneether-type resins, and ABS-type resins, and0.1 to 100 parts by weight, on the basis of 100 parts of the aforesaid resins (I)+(II), of a graft copolymer (III) as compatibilizer having a specific multi-phase structure.The thermoplastic resin composition containing the compatibilizer (III) of the present invention has a feature of each of the blended resins of a polyarylenesulfide-type resin (I) and at least one resin (II) selected from the group consisting of carbonate-type resins, polyphenyleneether-type resins and ABS-type resins, such as good impact and heat resistance, moldability, and appearance of molded articles. The composition is widely used for the manufacture of automobile parts, electrical and electronic components, and industrial parts, and the like.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: August 1, 1995
    Assignees: Nippon Petrochemicals Co., Ltd., Nippon Oil & Fats Co., Ltd.
    Inventors: Yuichi Orikasa, Suehiro Sakazume
  • Patent number: 5438080
    Abstract: A ultraviolet-curable coating composition is disclosed, which comprises a specific ultraviolet-curable polyfunctional (meth)acrylate, a specific urethane-curing polymer, and a specific polyisocyanate compound in a specific compounding ratio and having incorporated therein a photo stabilizer and a photopolymerization initiator. The composition provides a coating film of large thickness in one operation and is sufficiently cured even with non-uniform ultraviolet radiation and the coating film obtained from such a composition fully satisfies various requirements, such as appearance, adhesion, and weathering resistance.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: August 1, 1995
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Yoshifumi Ohama, Yoshihide Chihara, Yasufumi Honda, Yasuhiro Miyamoto
  • Patent number: 5428108
    Abstract: The present block copolymer contains a structural unit (A) derived from a compound represented by the general formula (I): CH.sub.2 .dbd.CR.sub.1 COOR.sub.2 R.sub.f, and also contains a structural unit (B) consisting of a polymer moiety represented by at least one of the structural formulae (III) and (IV) and another polymer moiety derived from a compound represented by the general formula (II): CH.sub.2 .dbd.CR.sub.3 R.sub.4. For preparing the above block copolymer, a block copolymer consisting of the structural unit (A) derived from a compound represented by the general formula (I): CH.sub.2 .dbd.CR.sub.1 COOR.sub.2 R.sub.f and the structural unit (B1) derived from a compound represented by the general formula (II): CH.sub.2 .dbd.CR.sub.3 R.sub.4 and a compound represented by the general formula (V): CH.dbd.CR.sub.6 COO(R.sub.9).sub.t H are reacted with a compound represented by the general formula (VI): R.sub.10 COCl to allow a dehydrochlorination reaction to take place.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: June 27, 1995
    Assignee: Nippon Oil & Fats Co., Ltd.
    Inventors: Yoshihiro Oshibe, Michihisa Yamada, Hisao Yamamoto, Hiroshi Ohmura
  • Patent number: 5378589
    Abstract: A derivative of naphthalocyanine containing a perfluoroalkyl group and having a particular structure for ensuring excellent weather-proof properties, extremely high solubility in various solvents and capability of forming a film, and an optical recording medium prepared by using the derivative and capable of recording while using a focused beam of a semiconductor laser or the like. The derivative of naphthalocyanine containing a perfluoroalkyl group may be prepared by reacting a perfluoroalkanoyl peroxide having a particular structure with a naphthalocyanine.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: January 3, 1995
    Assignees: Nippon Oil and Fats Co., Ltd., Hitachi Chemical Co., Ltd.
    Inventors: Hideo Sawada, Motohiro Mitani, Masaharu Nakayama, Yoshii Morishita, Mitsuo Katayose, Tadashi Okamoto, Nobuyuki Hayashi
  • Patent number: 5338877
    Abstract: A fluoroalkyl group-containing organosilicon oligomer is represented by the following formula (I) or (IV) of: ##STR1## wherein R, R.sub.1, R.sub.2, X and Y each are the same or different groups and stand for an alkyl, alkoxy or alkylcarbonyloxy group having 1 to 10 carbon atoms, n represents an integer of 1 to 3, m.sub.1 and m.sub.3 represent an integer of 1 to 10, m.sub.2 represents an integer of 0 to 10, m.sub.4 represents an integer of 1 to 5 and R.sub.F represents ##STR2## where A stands for a hydrogen atom, a fluorine atom or a chlorine atom, n.sub.1 represents an integer of 1 to 10 and n.sub.2 represents an integer of 0 to 8. A surface treating agent contains the oligomer defined by the formula (I) or (IV).
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: August 16, 1994
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Hideo Sawada, Motohiro Mitani, Masaharu Nakayama, Takeo Matsumoto
  • Patent number: 5332523
    Abstract: A dispersion stabilizing agent for inorganic powder in an oily material, comprising a copolymer of (i) a polyoxyalkylene derivative represented by the general formula [I] below with (ii) one or more of maleic acid and the derivatives thereof selected from the group of maleic anhydride, maleic acid, maleic acid salts, maleic acid amides, and maleic acid esters, ##STR1## where Z is a residue of a compound having 2-8 hydroxyl groups, AO is an oxyalkylene group having 2-18 carbon atoms, R.sup.1 is an unsaturated hydrocarbon group having 2-5 carbon atoms, R.sup.2 is a hydrocarbon group having 1-40 carbon atoms, a=0 to 1000, b=0 to 1000, c=0 to 1000, l=1 to 8, m=0 to 2, n=0 to 7, (l+m+n)=2 to 8, (al+bm+cn)=1 to 1000, m/(l+n).ltoreq.1/2.
    Type: Grant
    Filed: April 15, 1992
    Date of Patent: July 26, 1994
    Assignee: Nippon Oil & Fats Co., Ltd.
    Inventors: Taizo Igarashi, Susumu Honda, Tohru Yasukohchi, Show Onodera
  • Patent number: 5326817
    Abstract: A thermoplastic resin composition is here provided which contains (I) 99 to 1% by weight of a polyphenylene ether resin alone or a mixture of the polyphenylene ether resin and a styrene polymer, (II) 1 to 99% by weight of at least one kind of resin selected from the group consisting of a polycarbonate resin and polyoxymethylene resin, and (III) 0.1 to 100 parts by weight, based on 100 parts by weight of the 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 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: Grant
    Filed: March 21, 1989
    Date of Patent: July 5, 1994
    Assignees: Nippon Petrochemicals Co. Ltd., Nippon Oil & Fats Co. Ltd.
    Inventors: Yuichi Orikasa, Suehiro Sakazume
  • Patent number: 5320837
    Abstract: A controlled release preparation of an active material comprising a reaction product obtained by reacting (a) a copolymer consisting essentially of maleic anhydride and at least one polyalkylene glycol ether represented by formula (I): ##STR1## wherein B represents a residue of a compound having from 2 to 8 hydroxyl groups; R.sup.1 represents an alkenyl group having from 2 to 5 carbon atoms; AO represents an oxyalkylene group having from 2 to 18 carbon atoms or a combination thereof which may be linked together in blocks or at random; R.sup.2 represents a hydrocarbon group having from 1 to 24 carbon atoms; a represents a positive integer, b and c each represents 0 or a positive integer, and a+b+c=2 to 8; l.gtoreq.0, m.gtoreq.0, n.gtoreq.0, and l+m+n =1 to 1000; and (b) an active material. The preparation is soluble both in water and in an organic solvent and exhibits activity for a prolonged period of time.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 14, 1994
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Shin-ichi Akimoto, Susumu Honda, Tohru Yasukohchi
  • Patent number: 5321063
    Abstract: A powder coating material for providing a crepe-like coating having a uniformly and densely distributed superior anesthetic appearance and having a high corrosion resistance, is capable of forming color distinct ridges and valleys in the wrinkle profile of the coating layer. The powder coating material consists of a co-milled powdery product, of which the particle sizes are not higher than 105 .mu.m, and which is composed of (A) 95-99.5 parts by weight of a first resin component comprising a thermosetting resin which is solid at room temperature and (B) 5-0.5 parts by weight of a second resin component comprising a thermosetting resin which is solid at room temperature and contains 3-8% by weight of a cellulose ester. The powder coating material is prepared by co-milling pelletized resin products of the components (A) and (B).
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: June 14, 1994
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Eiji Shimada, Kenzo Maeda, Shingo Okamoto
  • Patent number: 5314912
    Abstract: A sliding property improving agent comprising a multi-phase structure thermosplastic resin which consists of a dispersion of 5 to 95 parts by weight of a non-polar .alpha.-olefin polymer (a) and 95 to 5 parts by weight of a vinyl polymer (b), with the dispersing polymer having a particle size from 0.001 to 10 .mu.m. A thermoplastic resin containing said resinous agent exhibits excellent mechanical strength, high anti-brasion and improved sliding properties.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: May 24, 1994
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Shouichi Yoshitani, Hiroki Mizutani, Nobuyoshi Suzuki, Kazumine Ohara, Yasushi Ohyanagi, Isamu Sekiguchi
  • Patent number: 5298564
    Abstract: A composition for cross-linking of ethylene.polymer comprises 2,4-diphenyl-4-methyl-1-pentene and at least one peroxide selected from the group consisting of [1] peroxides represented by the formula (I): ##STR1## (wherein R.sup.1 stands for one member selected from the group consisting of alkyl groups, aryl groups, and alkyl-substituted aryl groups having 1 to 9 carbon atoms, R.sup.2 for one member selected from the group consisting of phenylene group, ethylene group, --C.tbd.C--, and alkyl groups, aryl groups, and alkyl-substituted aryl groups having 1 to 9 carbon atoms, and n for 1 or 2) and [2] peroxides represented by the formula (II): ##STR2## (wherein two R.sup.3 's independently stand for one member selected from the group consisting of alkyl groups, aryl groups, and alkyl-substituted aryl groups of 1 to 9 carbon atoms or jointly stand for an ethylene group, R.sup.4 and R.sup.5 independently stand for a linear or branched alkyl group of 1 to 6 carbon atoms or --(CH.sub.2).sub.m C(O)OR.sup.6 [wherein R.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: March 29, 1994
    Assignee: Nippon Oil & Fats Co., Ltd.
    Inventors: Shuji Suyama, Hideyo Ishigaki
  • Patent number: 5296538
    Abstract: There is provided a thermoplastic resin composition, the composition comprising1 to 99% by weight of polyarylenesulfide-type resin (I),99 to 1% by weight of at least one resin (II) selected from the group consisting of polycarbonate-type resins, polyphenyleneether-type resins, and ABS-type resins, and0.1 to 100 parts by weight, on the basis of 100 parts by weight of the aforesaid resins (I)+(II), of a graft copolymer (III) as compatibilizer having a specific multi-phase structure.The thermoplastic resin composition containing the compatibilizer (III) of the present invention has a feature of each of the blended resins of a polyarylenesulfide-type resin (I) and at least one resin (II) selected from the group consisting of polycarbonate-type resins, polyphenyleneether-type resins and ABS-type resins, such as good impact and heat resistance, moldability, and appearance of molded articles.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: March 22, 1994
    Assignees: Nippon Petrochemicals Co., Ltd., Nippon Oil Fats Co., Ltd.
    Inventors: Yuichi Orikasa, Suehiro Sakazume
  • Patent number: 5288891
    Abstract: A fluoroalkyl group-containing organosilicon oligomer is represented by the following formula (I) or (IV) of: ##STR1## wherein R, R.sub.1, R.sub.2, X and Y each are the same or different groups and stand for an alkyl, alkoxy or alkylcarbonyloxy group having 1 to 10 carbon atoms, n represents an integer of 1 to 3, m.sub.1 and m.sub.3 represent an integer of 1 to 10, m.sub.2 represents an integer of 0 to 10, m.sub.4 represents an integer of 1 to 5 and R.sub.F represents --CF.sub.2).sub.n.sbsb.1 A or ##STR2## where A stands for a hydrogen atom, a fluorine atom or a chlorine atom, n.sub.1 represents an integer of 1 to 10 and n.sub.2 represents an integer of 0 to 8. A surface treating agent contains the oligomer defined by the formula (I) or (IV).
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: February 22, 1994
    Assignee: Nippon Oil and Fats Co. Ltd.
    Inventors: Hideo Sawada, Motohiro Mitani, Masaharu Nakayama, Takeo Matsumoto
  • Patent number: 5278328
    Abstract: Disclosed is a process for producing a carboxylic acid chloride by reacting phosgene with a carboxylic acid or an anhydride thereof, which comprises effecting the reaction in the presence of a homopolymer or copolymer of a monomer represented by formula (I) or (II) below, a copolymer of the monomers represented by formulae (I) and (II) below, or a copolymer of at least one monomer selected from the group sensisting of the monomers represented by formulae (I) and (II) below with another monomer copolymerizable therewith:CH.sub.2 .dbd.CHNR.sup.1 COR.sup.2 (I)CH.sub.2 .dbd.CR.sup.3 CONR.sup.4 R.sup.5 (II).In these formulae R.sup.1, R.sup.2, and R.sup.4 each represents an alkyl group containing from 1 to 3 carbon atoms, or an alkylene group containing from 3 to 5 carbon atoms provided that R.sup.1 with R.sup.2, and R.sup.4 with R.sup.5 may each combine to form a ring structure through >N--CO-- or >N-- in the molecule; R.sup.3 and R.sup.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: January 11, 1994
    Assignee: Nippon Oil & Fats Co., Ltd.
    Inventors: Takeshi Endo, Toshikazu Takata, Shinichi Ohno, Fujio Takahashi
  • Patent number: 5274059
    Abstract: A maleimide random copolymer contains an N-substituted compound structural unit, an unsaturated peroxycarbonate structural unit and optionally a vinyl monomer structural unit. In place of the unsaturated peroxycarbonate structural unit, an unsaturated peroxyester unit may be contained. A process for preparing a maleimide graft copolymer comprises polymerizing a mixture of an N-substituted maleimide compound and a vinyl monomer in the presence of a random vinyl copolymer containing peroxy groups with active oxygen content.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: December 28, 1993
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Kenji Kato, Yasumi Koinuma, Kazunori Doiuchi, Seigo Kinoshita, Yukinori Haruta
  • Patent number: 5260064
    Abstract: A percutaneous-administration-type pharmaceutical preparation of nitroglycerin is provided. The preparation comprises a backing that is impervious to medicines, and a pressure-sensitive adhesive layer that is placed on one surface of said backing, wherein said pressure-sensitive adhesive layer contains an alkyl (meth)acrylate (co)polymer in the concentration of 35-85% by weight, nitroglycerin in the concentration of 10-30% by weight, and a silicic acid anhydride in the concentration of 5-20% by weight, said (co)polymer contains as major (co)polymer components alkyl (meth)acrylates with alkyl groups having 6 or more carbon atoms, which alkyl (meth)acrylates include 2-ethylhexyl methacrylate in the concentration of 40-100% by weight based on the total weight of said alkyl (meth)acrylates. The preparation makes it possible for nitroglycerin to be absorbed percutaneously at a controlled rate for a long period of time. Also, even a compact preparation can supply a sufficient amount of nitroglycerin.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: November 9, 1993
    Assignees: Sekisui Kagaku Kogyo Kabushiki Kaisha, Sanwa Kagaku Kenkyusho Co., Ltd., Nippon Oil & Fats Co., Ltd.
    Inventors: Takashi Nakagawa, Hiroko Tsukahara, Masayasu Kurono, Makoto Sato, Tsutomu Ishida, Kazushi Tokita, Mitsuji Nakano