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. 01, 2011
Filed:
Apr. 03, 2008
Applicants:
Wolfgang Ebert, Krefeld, DE;
Alexander Karbach, Krefeld, DE;
Alexander Meyer, Düsseldorf, DE;
Inventors:
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/00 (2006.01); C08G 77/04 (2006.01); C08G 63/695 (2006.01); C08L 83/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to polycarbonate, polyester carbonate and polyester having end groups derived from alkylsiloxane-substituted phenols, as well as to the use of phenolic compounds having alkylsiloxane substituents as chain terminators in the preparation of polycarbonate, polyester carbonate and polyester, as well as to mouldings and extrudates produced from these polymers, to processes for the preparation of the polymers, and to novel phenolic compounds of formula (2).