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. 19, 1991
Filed:
Mar. 03, 1989
Applicant:
Inventors:
Karl-Heinz Kohler, Krefeld, DE;
Klaus Reinking, Wermelskirchen, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528367 ; 528368 ; 528388 ;
Abstract
This invention relates to new high molecular weight, optionally branched co-polyarylene sulphides prepared by the reaction of halogenated aromatic compounds and dihalogenated phenyl-pyrazole-3-ones in a polar solvent with the addition of 0.2 to 100 mol %, based on the dihalogenated aromatic compound, of an amino acid to the reaction mixture, and to the use of these copolyarylene sulphides as embedding compounds for electronic parts.