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:
Feb. 10, 1998
Filed:
Jun. 14, 1996
Applicant:
Inventors:
Richard Weider, Leverkusen, DE;
Burkhard Kohler, Leverkusen, DE;
Wolfgang Ebert, Krefeld, DE;
Thomas Scholl, Bergisch Gladbach, DE;
Klaus Horn, Dormagen, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08G / ;
U.S. Cl.
CPC ...
525 67 ; 525 90 ; 525 / ; 525146 ; 525148 ; 528191 ;
Abstract
This invention relates to block copolycarbonates made from polycarbonate blocks and polyisobutylene-.alpha.-haloketocarboxylic acid blocks (abbreviation: PIB blocks), wherein the PIB blocks may, for example, be obtained by ozonolysis of halogenated butyl rubber, and to blends of these block copolycarbonates with elastomers.