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. 21, 2021
Filed:
Feb. 22, 2017
Applicant:
Colormatrix Holdings, Inc., Wilmington, DE (US);
Inventors:
Chun Lew, Knowsley, GB;
Phillip Winrow, West Lancashire, GB;
Andrew Overend, Bolton, GB;
John Goulbourn, Liverpool, GB;
Assignee:
COLORMATRIX HOLDINGS, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01D 1/06 (2006.01); C08J 3/20 (2006.01); C08J 3/205 (2006.01); D01F 1/06 (2006.01); D01D 5/08 (2006.01); D01F 6/62 (2006.01); D01D 13/02 (2006.01); D01F 1/04 (2006.01); D01F 1/10 (2006.01); B29B 7/00 (2006.01);
U.S. Cl.
CPC ...
D01D 1/065 (2013.01); B29B 7/002 (2013.01); C08J 3/201 (2013.01); C08J 3/205 (2013.01); C08J 3/2053 (2013.01); C08J 3/2056 (2013.01); D01D 5/08 (2013.01); D01D 13/02 (2013.01); D01F 1/04 (2013.01); D01F 1/06 (2013.01); D01F 1/103 (2013.01); D01F 1/106 (2013.01); D01F 6/62 (2013.01); C08J 2367/02 (2013.01); D10B 2331/04 (2013.01);
Abstract
Additives such as colourants may be incorporated into polymeric materials such as polyesters, such as in polyester fibre production, by use of a liquid formulation comprising colourant and a vehicle. The vehicle may comprise a functionalised pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.