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:
Apr. 09, 2019
Filed:
Feb. 25, 2016
Applicant:
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Inventors:
Aaron David Bojarski, Murcia, ES;
Jorge A. Garcia Agudo, Murcia, ES;
Assignee:
SABIC Global Technologies B.V., Bergen op Zoom, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08K 5/50 (2006.01); C08G 64/20 (2006.01); C08G 64/30 (2006.01); C08G 64/42 (2006.01); C08L 69/00 (2006.01); G06F 19/00 (2018.01);
U.S. Cl.
CPC ...
C08K 5/50 (2013.01); C08G 64/20 (2013.01); C08G 64/307 (2013.01); C08G 64/42 (2013.01); C08L 69/00 (2013.01); G06F 19/702 (2013.01);
Abstract
Polymerization processes comprising melt polymerizing a carbonate and a dihydroxy compound in the presence of an amount of a beta organic catalyst so as to give rise to a polycarbonate product, wherein the amount of beta organic catalyst comprises at least one onium salt and also comprises triphenyl phosphonium oxide (TPPO), and wherein the TPPO represents less than about 0.3 weight % of the sum of the weights of the at least one onium salt and the TPPO in the amount of beta organic catalyst.