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:
Oct. 25, 1988
Filed:
Aug. 20, 1986
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munchen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C08G / ;
U.S. Cl.
CPC ...
428272 ; 428290 ; 428394 ; 428395 ; 428413 ; 427386 ; 528 90 ; 528 93 ; 525382 ; 525423 ; 525438 ; 525504 ; 1741 / ;
Abstract
Electrically insulating composite materials formed from (1) epoxy resins and (2) polymeric fiber reinforcement which have high strength are formed if the cross-linking of the epoxy resin is accomplished by anionic polymerization using tertiary amines of the formula ##STR1## as catalyst.