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. 13, 1988
Filed:
Jan. 07, 1987
Applicant:
Inventors:
Wolfgang Alewelt, Krefeld, DE;
Franz Alfes, Krefeld, DE;
Wolfgang Eisermann, Duesseldorf, DE;
Wolfgang Jakob, Moers, DE;
Erhard Tresper, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528388 ;
Abstract
The invention relates to polyarylene sulphides with melt viscosities settable to defined values. The products are distinguished by high stability of the melt. They are obtained by adding, in the preparation of these polyarylene sulphides, certain phenols as chain terminators to the reaction mixture.