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. 05, 1985
Filed:
Jun. 21, 1983
Applicant:
Inventors:
Sivaram Krishnan, New Martinsville, WV (US);
Dieter Neuray, New Martinsville, WV (US);
Wolfgang Cohnen, Leverkusen, DE;
Klaus Geisler, Bonn, DE;
Assignee:
Bayer Aktiengesellschaft, Bayerwerk, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528199 ; 528196 ; 528198 ;
Abstract
The instant invention relates to a process for the preparation of linear aromatic polycarbonate resins by the known two-phase interfacial process and is directed to the use of perfluoroalkyl sulfonamides as chain stoppers in said process and is further directed to the polycarbonate resins obtainable by the process which resins are suitable in the preparation of thermoplastic molding compositions.