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:
Sep. 17, 2013
Filed:
Sep. 08, 2009
Jan Pleun Lens, Breda, NL;
Tilak Thulasi Raj, Bangalore, IN;
Binod Behari Sahoo, Orissa, IN;
Arakali Srinivasarao Radhakrishna, Bangalore, IN;
Jan Pleun Lens, Breda, NL;
Tilak Thulasi Raj, Bangalore, IN;
Binod Behari Sahoo, Orissa, IN;
Arakali Srinivasarao Radhakrishna, Bangalore, IN;
Momentive Performance Materials Inc., Waterford, NY (US);
Abstract
A polycarbonate polymer or copolymer comprising pendant silylated dihydroxy aromatic compound of the formula (1a); wherein Gand Gare each independently Calkyl, —OSi(Calkyl), Carylalkyl, or —OSi(Carylalkyl); Zand Zare each independently a straight or branched Cis alkylene, a Carylalkylene, or a Calkylarylene, Xis a direct bond, a heteroatom-containing group, or a Corganic group, and r and s are each independently 1 or 2 is disclosed.