The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 1976
Filed:
Apr. 09, 1974
Applicant:
Inventors:
Syunichiro Nishizaki, Amagasaki, JA;
Hiroshi Teratani, Amagasaki, JA;
Osamu Fujisawa, Amagasaki, JA;
Jiro Fukushima, Amagasaki, JA;
Makoto Tokizawa, Kawasaki, JA;
Nobukatsu Wakabayashi, Kawasaki, JA;
Takashi Saito, Kawasaki, JA;
Assignees:
Mitsubishi Chemical Industries Ltd., Tokyo, JA;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428268 ; 260 7841 ; 427386 ; 427390 ; 427391 ; 427392 ; 428290 ; 428324 ; 428413 ; 428417 ; 428454 ;
Abstract
An electrically insulating prepreg which comprises a resin composition of an alicyclic epoxy compound prepared by the expoxidation of an alkadiene alcohol ester of an alicyclic polybasic carboxylic acid, a latent curing agent, and a solid substrate, wherein said resin composition, once it has been applied to the substrate, is in the B-stage cured state and is thereby acetone soluble, thermoplastic and nontacky.