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. 03, 2013
Filed:
May. 26, 2011
Applicant:
Geoffrey Henry Riding, Castleton, NY (US);
Inventor:
Geoffrey Henry Riding, Castleton, NY (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/00 (2006.01); C08L 71/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Articles injection molded from colored poly(arylene ether) compositions can exhibit an esthetic defect known as black rings. The black rings can be reduced or eliminated when the poly(arylene ether) composition includes about 50 to about 70 weight percent of a poly(arylene ether), about 12 to about 30 weight percent of a rubber-modified polystyrene, about 5 to about 25 weight percent of an organophosphate ester flame retardant, and a first colorant and a second colorant, wherein the total amount of all colorants is about 0.3 to about 1 weight percent.