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:
Mar. 16, 1993
Filed:
Nov. 06, 1991
Applicant:
Inventors:
Heinz Horacek, Linz, AT;
Gerd Greber, Bad Voslau, AT;
Assignee:
Petrochemie Danubia Gesellschaft m.b.H., Schwechat-Mannsworth, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C07D / ;
U.S. Cl.
CPC ...
526262 ; 548521 ;
Abstract
Bismaleimides of the formula I ##STR1## wherein R denotes a radical of the formula II ##STR2## and polyimides which can be prepared from these bismaleimides, if appropriate with the addition of an aromatic diamine. The polyimides are optionally reinforced with fibers.