Patents by Inventor Shiroh Takeda

Shiroh Takeda 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).

  • Process for producing anti-blocking and low pressure moldable diallyl phthalate resin molding materials
    Patent number: 4041009
    Abstract: A diallyl phthalate resin prepolymer is milled at a temperature of 40.degree. to 100.degree. C together with reinforcing glass fiber and at least one finely divided inorganic filler in the presence of t-butylperoxy 2-ethylhexanoate and at least one other organic peroxide having a half life of one hour at a temperature within the range from 120.degree. to 150.degree. C, cooled and comminuted to provide a molding material which is anti-blocking and has a good workability and shelf stability. The material can be molded at relatively low pressures to moldings of an excellent bending strength.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: August 9, 1977
    Assignee: Fujitsu Limited
    Inventors: Shiroh Takeda, Yuji Nagai, Takenori Suzuki