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:
May. 05, 1998
Filed:
Mar. 12, 1997
Applicant:
Inventors:
Burkhard Kohler, Krefeld, DE;
Wolfgang Ebert, Krefeld, DE;
Klaus Horn, Dormagen, DE;
Richard Weider, Leverkusen, DE;
Thomas Scholl, Bergisch Gladbach, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
525146 ; 525 / ; 525152 ; 525468 ;
Abstract
The present invention provides a process for the production of polycarbonate-polyisobutylene block cocondensates from thermoplastic aromatic polycarbonates and reactive polyisobutylenes in the melt, as well as mixtures of the block cocondensates with non-reactive polyisobutylenes.
Kohler, Burkhard. (1998). Process for the production of polycarbonate-polyisobutylene block (U.S. Patent No. 5747589). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5747589
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile