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. 20, 2013
Filed:
Sep. 18, 2012
Applicant:
Everlight Chemical Industrial Corporation, Taipei, TW;
Inventors:
Hsin-Ying Lu, Taoyuan, TW;
Sheue-Rong Lee, Taoyuan, TW;
Tzu-Heng Ko, Taoyuan, TW;
Hsiang-Lin Chiang, Taoyuan, TW;
Der-Gun Chou, Taoyuan, TW;
Assignee:
Everlight Chemical Industrial Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 67/42 (2006.01); C07D 403/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polyurethane derivative and a composition thereof are disclosed. The polyurethane derivative of the present invention has a structure of formula (I). The polyurethane derivative and the composition thereof can be used for increasing light fastness.