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:
Nov. 19, 1991
Filed:
Aug. 13, 1990
Applicant:
Inventors:
Wolfgang Russeler, Krefeld, DE;
Karsten-Josef Idel, Krefeld, DE;
Ernst-Ulrich Dorf, Krefeld, DE;
Wolfgang Alewelt, Krefeld, DE;
Dieter Freitag, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528388 ; 528381 ;
Abstract
The invention concerns a process for the manufcture of polyarylene sulphides from alkali sulphide and aromatic dihalogen compounds, whereby the alkali sulphide is produced in situ.
Quick Actions:
Russeler, Wolfgang. (1991). Process for the manufacture of polyarylene sulphides (U.S. Patent No. 5066776). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5066776
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile