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:
Nov. 21, 2017
Filed:
Oct. 25, 2013
Sabic Innovative Plastics Ip B.v., Bergen op Zoom, NL;
Hendrikus Petrus Cornelis van Heerbeek, Bergen op Zoom, NL;
Frank Huijs, Breda, NL;
Johannes de Brouwer, Oisterwijk, NL;
Christopher Luke Hein, Evansville, IN (US);
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A light emitting diode lighting device contains a light emitting diode and a lighting device component, wherein the device component comprises a polycarbonate composition comprising a bisphenol A polycarbonate; and 2,2'-(1,4-phenylene)bis(4H-3,1-benzoxazin-4-one) in an amount effective to provide a composition wherein a molded sample of the composition has a UL94 rating of V-2 or better at a thickness of 0.9 mm; an absorbance of less than 2 a.u. in the region of 370 to 380 nanometers; and an increase in yellowness index (ΔYI) of 12 or less at 2.5 mm thickness after heat aging at 130° C. for 5,000 hours.