Patents by Inventor Teruko Miyazaki

Teruko Miyazaki 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 polyurethane casting systems and amine hardeners therefor
    Patent number: 5066761
    Abstract: An amine hardener comprising diethyltoluenediamine or t-butyl-meta-toluenediamine and 4,4'-methylene orthoethylaniline and curable polyurethane casting systems comprising said hardener and an isocyanate resin.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: November 19, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Teruko Miyazaki
  • Curable polyurethane casting systems and amine hardeners therefor
    Patent number: 4927901
    Abstract: An amine hardener comprising diethyltoluenediamine or t-butyl-meta-toluenediamine and 4,4'-methylene orthoethylaniline and curable polyurethane casting systems comprising said hardener and an isocyanate resin.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: May 22, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Teruko Miyazaki
  • Castable polyurethane systems
    Patent number: 4476292
    Abstract: A castable polyurethane system comprising the reaction product of (1) a polyisocyanate prepolymer prepared by reacting an excess of a polyisocyanate compound with an amine-based polyol and (2) a polyol, said polyurethane systems being clear, hard, easily cast, impact resistant, heat resistant and appropriate for a number of applicable uses.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: October 9, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Nancy M. Ham, Teruko Miyazaki