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:
Nov. 26, 2013
Filed:
Apr. 20, 2009
Applicants:
Maurice Ludovicus Josephina Frijns, Eindhoven, NL;
Robbert Duchateau, Eindhoven, NL;
Cornelis Eme Koning, Eindhoven, NL;
Inventors:
Maurice Ludovicus Josephina Frijns, Eindhoven, NL;
Robbert Duchateau, Eindhoven, NL;
Cornelis Eme Koning, Eindhoven, NL;
Assignee:
Stichting Dutch Polymer Institute, Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08G 64/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Characterized in that the polymerization is carried out in a single step in the presence of a chain transfer agent. Preferred chain transfer agents are polyols. The invention also relates to branched polycarbonates that have functional hydroxyl end-groups.