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. 12, 2009
Filed:
Jan. 04, 2006
Gary C. Davis, Albany, NY (US);
James A. Mahood, Evansville, IN (US);
James M. Silva, Clifton Park, NY (US);
Joshua J. Stone, Clifton Park, NY (US);
Gary C. Davis, Albany, NY (US);
James A. Mahood, Evansville, IN (US);
James M. Silva, Clifton Park, NY (US);
Joshua J. Stone, Clifton Park, NY (US);
SABIC innovative Platics IP B.V., Bergen op Zoom, NL;
Abstract
A polycarbonate such as aliphatic/aromatic polycarbonate comprises repeating structural carbonate units of the formula (H-1): in which Ris a radical having the formula (H-2): wherein each of R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, and Ris independently a hydrogen, a C-Calkyl group, or a halogen substituted C-Calkyl group. The polycarbonate, and a thermoplastic composition thereof, have improved thermal stability, cost-effectiveness, and exhibit improved manufacturability such as, for example, minimum cyclic carbonate formation and minimum amine acceptor requirement.