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. 05, 2020
Filed:
May. 27, 2017
Sabic Global Technologies B.v., Bergen Op Zoom, NL;
Mark Adrianus Johannes Van Der Mee, Breda, NL;
Nathalie Gonzalez Vidal, Bergen Op Zoom, NL;
Fabrizio Micciche, Breda, NL;
Roland Sebastian Assink, Middelburg, NL;
Kazuhiko Mitsui, Moka, JP;
Johannes De Brouwer, Oisterwuk, NL;
Shahram Shafaei, Bergen Op Zoom, NL;
Hendrikus Petrus Cornelis Van Heerbeek, Bergen Op Zoom, NL;
Tamara Marijke Eggenhuisen, Breda, NL;
Robert Dirk Van De Grampel, Tholen, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Abstract
A thermoplastic composition comprises: a copolycarbonate comprising bisphenol A carbonate units and second carbonate units of the formula (I); and 2 to 40 ppm of an organosulfonic stabilizer of the formula (II); wherein the second carbonate units are present in an amount of 20 to 49 mol %, preferably 30 to 40 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate, and optionally the copolycarbonate comprises less than 2 ppm by weight of each of an ion of lithium, sodium, potassium, calcium, magnesium, ammonium, chlorine, bromine, fluorine, nitrite, nitrate, phosphite, phosphate, sulfate, formate, acetate, citrate, oxalate, trimethylammonium, and triethylammonium, as measured by ion chromatography; and the thermoplastic composition has: a Vicat B120 of 160° C. or higher measured according to ISO 306; and a yellowness index of less than 12, measured according to ASTM D1925.