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:
Apr. 01, 2025
Filed:
Jan. 11, 2021
Applicant:
Taiwan Textile Research Institute, New Taipei, TW;
Inventors:
Assignee:
TAIWAN TEXTILE RESEARCH INSTITUTE, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 1/10 (2006.01); C08J 3/22 (2006.01); C08K 5/00 (2006.01); C08K 5/3435 (2006.01); C08K 5/3492 (2006.01); C08K 5/524 (2006.01); C08K 5/527 (2006.01); D01D 5/08 (2006.01); D01F 6/06 (2006.01); G02B 5/22 (2006.01); G02B 5/23 (2006.01);
U.S. Cl.
CPC ...
D01F 1/106 (2013.01); C08J 3/22 (2013.01); C08K 5/005 (2013.01); C08K 5/3435 (2013.01); C08K 5/3492 (2013.01); C08K 5/524 (2013.01); C08K 5/527 (2013.01); D01D 5/08 (2013.01); D01F 6/06 (2013.01); G02B 5/223 (2013.01); G02B 5/23 (2013.01); C08J 2323/12 (2013.01);
Abstract
A photochromic polypropylene fiber is provided. The photochromic polypropylene fiber includes about 98 to 99 parts by weight of polypropylene, about 0.2 to 0.8 parts by weight of a photochromic agent, about 0.1 to 1 parts by weight of an ultraviolet absorber, and about 0.1 to 1 parts by weight of a light stabilizer. The ultraviolet absorber includes and the light stabilizer includes wherein n is 10-14. A preparation method of the photochromic polypropylene fiber is further provided.