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:
Aug. 05, 1997
Filed:
Jun. 30, 1994
Applicant:
Inventors:
Burkhard Kohler, Krefeld, DE;
Klaus Kraft, Krefeld, DE;
Klaus Reinking, Wermelskirchen, DE;
Bahman Sarabi, Krefeld, DE;
Wolfgang Ebert, Krefeld, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ;
U.S. Cl.
CPC ...
525537 ; 528388 ;
Abstract
The invention relates to polyarylene sulfides (PAS), preferably polyphenylene sulfide (PPS), reduced in viscosity by aftertreatment of the PAS formed in the production process with disulfides in the melt.