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:
Jan. 05, 1993
Filed:
Jun. 04, 1990
Applicant:
Inventors:
Christian Burba, Herbern, DE;
Werner Mrotzek, Dortmund, DE;
Assignee:
Schering AG, Bergkamen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427379 ; 427386 ; 528 94 ; 528111 ; 528117 ; 525502 ; 525504 ;
Abstract
The invention relates to a process for manufacturing fiber-reinforced boards for the electrical industry by the use of epoxy resins and latent curing agents based on imidazole/acrylic acid reaction products based on the general formula ##STR1## wherein R, R.sup.1 and R.sup.2 are, independently of one another, H or a short-chain alkyl group having from 1 to 3 carbon atoms, R.sup.3 is a group of the formula