Patents by Inventor Ryuzo Mizuguchi

Ryuzo Mizuguchi 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).

  • Patent number: 4978777
    Abstract: A polymerizable vinyl monomer represented by the formula: ##STR1## wherein R represents a hydrogen atom or methyl group and n is a real number of 3 to 100, and preparation thereof. The vinyl monomer is useful for the preparation of vinyl resin which is highly reactive in crosslinking with a hardener and capable of resulting in a coating of resilient, tough and flexible nature.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: December 18, 1990
    Inventors: Ryozo Takagawa, Hisaki Tanabe, Koji Asakura, Mitsuo Yamada, Hiroharu Ohsugi, Ryuzo Mizuguchi, Yoshio Eguchi
  • Patent number: 4970281
    Abstract: A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl) carbamoyl group of the formula: --CO--NH--CO--CO--OR' wherein R' is a hydrocarbon group and at least one lower alkyl group attached to said chain, which is useful as a resin component in a coating, adhesive or molding composition.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: November 13, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yuji Suzuki, Satoshi Urano, Hirotoshi Uremoto, Ryuzo Mizuguchi, Kei Aoki, Noriyuki Tsuboniwa
  • Patent number: 4970151
    Abstract: Disclosed is cultured plant cell derived from tissues or cells of a plant belonging to Hydrocotyle genus (water-pennyworts) and Centella genus, a culture method therefor, and a blood coagulation component and an therapeutic agent for mental disease obtained the cultured plant cells.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: November 13, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yoshikazu Yamamoto, Ryuzo Mizuguchi, Toshiko Shibata
  • Patent number: 4956491
    Abstract: A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl)carbamoyl group of the formula: --CO--NH--CO--CO--OR' wherein R' is a hydrocarbon group and at least one lower alkyl group attached to said chain, which is useful as a resin component in a coating, adhesive or molding composition.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: September 11, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yuji Suzuki, Satoshi Urano, Hirotoshi Umemoto, Ryuzo Mizuguchi, Kei Aoki, Noriyuki Tsuboniwa
  • Patent number: 4937195
    Abstract: An undifferentiated symbiotic combination of lichen flora induced from a tissue of lichen flora and having a capability of producing any lichenous substance.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: June 26, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yoshikazu Yamamoto, Ryuzo Mizuguchi, Yasuyuki Yamada
  • Patent number: 4937173
    Abstract: A radiation curable liquid resin composition comprising a radiation curable liquid base resin and polymer microparticles having an average particle size from 0.01 to 0.6 microns. The incorporation of polymer microparticles to the base resin may improve the rheological property of the liquid composition and also the physical properties of cured film therefrom.
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: June 26, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kazunori Kanda, Ryuzo Mizuguchi
  • Patent number: 4935413
    Abstract: A physical property-improving reagent which comprises an alkenoylcarbamate compound of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group, X is an oxygen atom (--O--), a sulfur atom (--S--) or a substituted or unsubstituted imino group (--NR'--), R' being a hydrogen atom or a lower alkyl group, and Y is the residue of an active hydrogen atom-containing compound excluding --X-H therefrom dissolved in an organic solvent having a solubility parameter of not less than 8, which can impact excellent physical properties to a polymer produced with the same.
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: June 19, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Satoshi Urano, Ryuzo Mizuguchi, Noriyuki Tsuboniwa, Kei Aoki, Yuji Suzuki, Takeyasu Itoh
  • Patent number: 4925982
    Abstract: Production of an alkenoyl isocyanate of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group by reacting an acrylamide of the formula: ##STR2## wherein R is as defined above with an oxalyl halide of the formula(COX).sub.2wherein X is a halogen atom to give a reaction mixture comprising a haloalkanoyl isocyanate of the formula: ##STR3## wherein R and X are each as defined above with or without the alkenoyl isocyanate, recovering the haloalkanoyl isocyanate and, when present, the alkenoyl isocyanate separately from the reaction mixture and reacting the recovered haloalkanoyl isocyanate with a hydrogen halide-eliminating agent to give the alkenoyl isocyanate.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: May 15, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Satoshi Urano, Ryuzo Mizuguchi
  • Patent number: 4923894
    Abstract: Polymeric microparticles having bound therewith a pesticide are disclosed. The microparticles are prepared by polymerizing a mixture of ethylenically unsaturated monomers. Active substances may be bound to the microparticles by introducing an ethylenically unsaturated function to the active substance and copolymerizing the resulting compound with the monomer mixture, or by polymerizing the monomer mixture in the presence of the active substance, or by impregnating the microparticles with a solution of the active substance.
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: May 8, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kazunori Kanda, Ryuzo Mizuguchi
  • Patent number: 4916195
    Abstract: The invention concerns a novel process for the preparation of poly(N-acylethyleneimine) grafted polysiloxanes comprising sulfo-esterifying all or part of alcoholic hydroxyl groups of a hydroxy containing polysiloxane and conducting, in said sulfo-esterification reaction mixture, ring-opening polymerization of a 2-oxazoline compound. The present process can afford the desired poly(N-acylethyleneimine) grafted polysiloxane in a higher reaction yield.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: April 10, 1990
    Inventors: Akihiro Kanakura, Yoshio Eguchi, Ryuzo Mizuguchi, Mitsuhiro Takarada, Yoshio Okamura, Hideyuki Itoh
  • Patent number: 4914225
    Abstract: A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl)carbamoyl group of the formula: --CO--NH--CO--CO--OR wherein R is a hydrocarbon group as a side chain attached to said backbone chain.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: April 3, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yuji Suzuki, Satoshi Urano, Hirotoshi Umemoto, Ryuzo Mizuguchi, Kei Aoki, Noriyuki Tsuboniwa
  • Patent number: 4902727
    Abstract: A curable composition which comprises a polymerizable compound having an acylurethane group of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group and ##STR2## is the residue of a hydroxyl group-containing compound excluding a hydroxyl group therefrom, at least 1/10 of the total hydroxyl groups in the hydroxyl group-containing compound being substituted with said acylurethane group.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: February 20, 1990
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kei Aoki, Kazunori Kanda, Satoshi Urano, Ryuzo Mizuguchi
  • Patent number: 4888406
    Abstract: A novel class of polymerizable monomers containing silicons represented by the formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon residue; R.sup.2 represents an alkylene attached to silicon atom and selected from an unsubstituted alkylene, a substituted alkylene, an unsubstituted alkylene containing hetero atoms or a substituted alkylene containing hetero atoms; m and n each represents a positive number which will fulfil the requirement of 2.ltoreq.m+n.ltoreq.4; R.sup.3 is hydrogen or methyl; A is a direct bond, ##STR2## or a substituted or unsubstituted phenylene; B is ##STR3## R.sup.4 and R.sup.5 each represents an alkylene, providing that when A represents ##STR4## m+n is 2. The invention also provides a preparation method thereof.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: December 19, 1989
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Hiroharu Ohsugi, Yoshio Eguchi, Satoshi Urano, Ryuzo Mizuguchi, Mitsuhiro Takarada
  • Patent number: 4829105
    Abstract: An anodic electrodeposition composition containing a water-soluble or water-dispersible modified epoxy resin derived from an epoxy resin having two epoxide groups and at least one alcoholic hydroxy group at the terminals and the middle of the resin backbone, respectively. The modified epoxy resin has at least one polymeric side chain block bound to said alcoholic hydroxy group and at least one acid group derived from said terminal epoxide group.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: May 9, 1989
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Mitsuo Yamada, Kazunori Kanda, Shinsuke Shirakawa, Hirotoshi Umemoto, Ryuzo Mizuguchi
  • Patent number: 4816537
    Abstract: A blocked isocyanatocarbonyl group-containing polymer which comprises a carbon-carbon backbone chain and at least one blocked isocyanatocarbonyl group and at least one active hydrogen-containing group or an acidic or basic group and has a molecular weight of 1,000 to 100,000, the contents of said blocked isocyanatocarbonyl group and said active hydrogen-containing group or said acidic or basic group being respectively from 1 to 99% by weight and from 0.1 to 90% by weight or from 1 to 90% by weight on the weight of the polymer, which is useful as a resin component in a coating agent, an adhesive agent or the like.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: March 28, 1989
    Assignee: Nippon Paint Co., LTD.
    Inventors: Noriyuki Tsuboniwa, Satoshi Urano, Ryuzo Mizuguchi
  • Patent number: 4788256
    Abstract: A curable composition which comprises as the essential components (A) a polymer having a main chain comprising carbon-carbon bonds and an isocyanatocarbonyl group as a pendant to the main chain, the content of the isocyanatocarbonyl groups present in the molecule of the polymer being from 0.1 to 72.2% by weight, and (B) an active hydrogen atom-containing compound which has one or more active hydrogen atoms in the molecule.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: November 29, 1988
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kei Aoki, Noriyuki Tsuboniwa, Satoshi Urano, Ryuzo Mizuguchi
  • Patent number: 4769398
    Abstract: An antifouling coating composition having improved polishing property and consisting essentially of(a) a film-forming synthetic resin,(b) a solvent in which the synthetic resin is soluble or dispersible, and(c) crosslinked polymer microparticles having a mean diameter of about 0.01 to 50 microns and carrying an antifouling agent with them, the polymer microparticles being insoluble in the solution of said (a) in said (b) and uniformly dispersed therein, either of said (a) or (c) being of hydrolyzable nature.The coating composition has an excellent application characteristics, it is capable of being applied in a thicker coating and causes low environmental pollution.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: September 6, 1988
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kazunori Kanda, Ryuzo Mizuguchi
  • Patent number: 4769485
    Abstract: A process for preparing alkenoyl isocyanates of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group which comprises subjecting an oxazolinedione hydrohalide of the formula: ##STR2## wherein X is a halogen atom and R is as defined above to decomposition under an ordinary pressure, in the presence of a hydrogen halide-eliminating agent and/or in a liquid medium having a dielectric constant of not more than 4.
    Type: Grant
    Filed: May 13, 1986
    Date of Patent: September 6, 1988
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Satoshi Urano, Noriyuki Tsuboniwa, Kei Aoki, Akira Matsumura, Yuji Suzuki, Ryuzo Mizuguchi
  • Patent number: 4740055
    Abstract: Coated optical fibers surrounded by a protective coating film comprising a continuous phase of film-forming matrix resin and polymer microparticles of a polymer of ethylenically unsaturated polymerizable monomers.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: April 26, 1988
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kazunori Kanda, Ryuzo Mizuguchi
  • Patent number: 4666993
    Abstract: A functional polymer having a main chain of carbon-carbon bonds and at least one functional group appended to the main chain with intervention of a carbonyliminocarbonyl linkage, the functional group being any one chosen from the group consisting of a fluorinated group, an aminotriazine group, a photosensitive group and a bicyclo or spiro structure group and the content of the functional groups including the carbonyliminocarbonyl linkage in the molecule of the functional polymer being from 0.1 to 99.9% by weight.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: May 19, 1987
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Satoshi Urano, Kei Aoki, Takeyasu Ito, Yuji Suzuki, Ryuzo Mizuguchi