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:
Jun. 26, 2018
Filed:
Jun. 01, 2017
Applicant:
Everlight Chemical Industrial Corporation, Taipei, TW;
Inventors:
Mei-Ting Lu, Taoyuan, TW;
Huei-Jen Yang, Taoyuan, TW;
Yuan-Pin Pan, Taoyuan, TW;
Tzu-Heng Ko, Taoyuan, TW;
Der-Gun Chou, Taoyuan, TW;
Bao-Kun Lai, Taoyuan, TW;
Assignee:
EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 15/30 (2006.01); C08G 18/48 (2006.01); C08G 18/73 (2006.01); C08G 18/34 (2006.01); C08G 18/38 (2006.01); C08G 18/66 (2006.01); C07D 403/14 (2006.01); C08G 18/79 (2006.01); C08G 18/08 (2006.01); C08G 18/10 (2006.01); C08G 18/12 (2006.01); C08G 18/32 (2006.01); D06M 15/564 (2006.01); D06N 3/00 (2006.01); D06N 3/14 (2006.01);
U.S. Cl.
CPC ...
C09K 15/30 (2013.01); C07D 403/14 (2013.01); C08G 18/0809 (2013.01); C08G 18/0823 (2013.01); C08G 18/10 (2013.01); C08G 18/12 (2013.01); C08G 18/3228 (2013.01); C08G 18/348 (2013.01); C08G 18/3851 (2013.01); C08G 18/48 (2013.01); C08G 18/4833 (2013.01); C08G 18/6692 (2013.01); C08G 18/73 (2013.01); C08G 18/792 (2013.01); D06M 15/564 (2013.01); D06N 3/0059 (2013.01); D06N 3/14 (2013.01); D06M 2200/25 (2013.01); D06N 2203/068 (2013.01); D06N 2209/1678 (2013.01);
Abstract
A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.