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.

Date of Patent:
Feb. 07, 2023

Filed:

Oct. 28, 2019
Applicant:

Sabic Global Technologies B.v., Bergen op Zoom, NL;

Assignee:

SHPP GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); G02B 1/111 (2015.01); G02B 1/14 (2015.01); C08K 5/00 (2006.01); C08K 5/42 (2006.01); C08K 5/521 (2006.01); C08K 5/524 (2006.01);
U.S. Cl.
CPC ...
C08L 69/005 (2013.01); G02B 1/111 (2013.01); G02B 1/14 (2015.01); C08K 5/005 (2013.01); C08K 5/42 (2013.01); C08K 5/521 (2013.01); C08K 5/524 (2013.01);
Abstract

A thermoplastic composition comprising: a copolycarbonate comprising bisphenol A (BPA) carbonate units and 10-50 mol % of second carbonate units different from the BPA carbonate units; a poly(carbonate-arylate ester) copolymer comprising BPA carbonate units and 5-50 mol % of monoaryl arylate ester units; and optionally a BPA homopolycarbonate; wherein the thermoplastic composition has at least one of: a Vicat B120 softening temperature of 155° C. or greater; or a yellowness index of less than 10 on a plaque having a thickness of 3 mm and molded at a temperature of 360° C. for 5 minutes; or an increase in yellowness index of less than 5 after 600 hours of weathering per ISO 11341 on a molded plaque having a thickness of 1 mm.


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