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. 25, 2018
Filed:
Jan. 13, 2014
Colormatrix Holdings, Inc., Wilmington, DE (US);
Philip Brannon, Merseyside, GB;
COLORMATRIX HOLDINGS, INC., Wilmington, DE (US);
Abstract
(A) a polymer composition (especially a polyester composition) which includes a compound of tungsten and oxygen (especially tungsten oxide particles) and an additional additive, wherein said additional additive is selected from an acetaldehyde scavenger and a colourant, wherein when said polymer composition includes an acetaldehyde scavenger, said polymer composition includes at least 10 ppm (suitably at least 25 ppm, preferably at least 50 ppm) of said acetaldehyde scavenger and when said polymer composition includes a colourant, said polymer composition includes at least SOpprh (suitably at least 75 ppm, preferably at least 100 ppm) of said colourant, wherein: preferably said article is a preform for a container; or (B) a sheet comprising a polymer composition (especially a polyester, polycarbonate or polyolefin composition) which includes a compound of tungsten and oxygen (especially tungsten oxide particles), wherein said sheet has a width of at least G.3 m.