Patents by Inventor Kazuyuki Nakamichi

Kazuyuki Nakamichi 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).

  • Curable resin compositions of cyanate esters
    Patent number: 4110364
    Abstract: A curable resin composition comprising(a) a cyanate ester component selected from the group consisting of polyfunctional aromatic cyanate ester monomers having at least 2 cyanate groups bonded to their aromatic ring, prepolymers of the cyanate esters and prepolymers of the cyanate ester monomers and amines, and(b) a bismaleimide component selected from the group consisting of bismaleimides, bismaleimide prepolymers and prepolymers of the bismaleimides and amines;The weight ratio of the component (a) to (b) being 1:99 to 99:1.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: August 29, 1978
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Morio Gaku, Kazuhiro Suzuki, Kazuyuki Nakamichi
  • Laminates and process for production thereof
    Patent number: 3987230
    Abstract: A laminate comprising at least one inorganic or organic fiber nonwoven fabric impregnated with a cyanic acid ester resin composition, at least one glass fabric impregnated with an epoxy resin composition, and at least one of the outermost layers being the glass fabric impregnated with an epoxy resin composition.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: October 19, 1976
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Morio Gaku, Kazuhiro Suzuki, Kazuyuki Nakamichi
  • Process for preparing cured resin from cyanic acid esters using imidazole catalysts
    Patent number: 3962184
    Abstract: A process for preparing a cured resin which comprises curing a specific cyanic acid ester or its prepolymer containing a triazine ring and having a molecular weight of 400 to 6,000 in the presence of a specific catalyst selected from imidazoles such as 2-methyl imidazole, 2-phenyl imidazole or 2-ethyl-4-methyl imidazole and imidazole adducts such as trimellitic acid adducts of the above exemplified imidazoles.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: June 8, 1976
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Toru Notomi, Morio Gaku, Kazuyuki Nakamichi, Kazuhiro Suzuki