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:
Aug. 02, 2016
Filed:
Dec. 16, 2010
Applicants:
Toshihiro Tanaka, Shiga, JP;
Masashi Hara, Shiga, JP;
Inventors:
Toshihiro Tanaka, Shiga, JP;
Masashi Hara, Shiga, JP;
Assignee:
INVISTA North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 75/04 (2006.01); C08K 5/3475 (2006.01); D01F 1/10 (2006.01); D01F 6/70 (2006.01);
U.S. Cl.
CPC ...
D01F 1/106 (2013.01); D01F 6/70 (2013.01);
Abstract
Problem To provide a polyurethane elastic yarn with excellent elongation, recoverability, and light resistance that is suitable for use in stretchable fabrics and clothing, and to provide a method for manufacture thereof. Resolution Means Include a benzotriazole ultraviolet absorber containing one or more unsaturated bond in the molecule when manufacturing elastic yarn made of polyurethane with a polymeric diol and diisocyanate as starting material.