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:
Jan. 19, 2010
Filed:
Jun. 15, 2007
Gary C. Davis, Albany, NY (US);
Dibakar Dhara, Bangalore Karnataka, IN;
Sarah Elizabeth Genovese, Delmar, NY (US);
Katherine Glasgow, Wake Forest, NC (US);
Gautam Madan, Rutherford, NJ (US);
Patrick J. Mccloskey, Watervliet, NY (US);
Yohana Perez DE Diego, Bergen op Zoom, NL;
William D. Richards, Scotia, NY (US);
Gary C. Davis, Albany, NY (US);
Dibakar Dhara, Bangalore Karnataka, IN;
Sarah Elizabeth Genovese, Delmar, NY (US);
Katherine Glasgow, Wake Forest, NC (US);
Gautam Madan, Rutherford, NJ (US);
Patrick J. McCloskey, Watervliet, NY (US);
Yohana Perez de Diego, Bergen op Zoom, NL;
William D. Richards, Scotia, NY (US);
SABIC Innovative Plastics IP B.V., Bergen op Zoom, NL;
Abstract
Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b):H-(E-X)—OH  (1a)H-(E-X-E)-OH  (1b)wherein E and X are different and each and independently are selected from the group consisting of formula (2a) and formula (2b):—(OCHCH)—  (2a)—(OCHRCH)—  (2b)wherein R is a Calkyl group; l, m, and n are integers greater than or equal to 1; and wherein the weight average molecular weight of the total amount of the structures corresponding to formula (2b) in the copolymer is between 100 and 2,000 g/mol; and B) a structure derived from a dihydroxy aromatic compound, wherein the weight percentages are based on the total weight of the structures of A) and B).