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:
Jun. 16, 1998
Filed:
Mar. 24, 1997
Applicant:
Inventors:
Steffen Kuhling, Meerbusch, DE;
Klaus Schebesta, Leverkusen, DE;
Uwe Hucks, Alpen, DE;
Martin Ullrich, Leverkusen, DE;
Heinrich Schuchardt, Leverkusen, DE;
Rolf Bachmann, Bergisch Gladbach, DE;
Thomas Fischer, Krefeld, DE;
Klemens Kohlgruber, Kurten, DE;
Franz Ferdinand Rhiel, Dormagen, DE;
Gottfried Zaby, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 528198 ; 528199 ; 528200 ;
Abstract
The invention relates to a two-step melt process for the production of thermoplastic, solvent-free, low-branching polycarbonates with low --OH terminal group content using a self-cleaning high-viscosity reactor.
Quick Actions:
Kuhling, Steffen. (1998). Two-step process for the production of thermoplastic polycarbonate (U.S. Patent No. 5767224). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5767224
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile