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. 01, 2023
Filed:
Dec. 28, 2020
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Yi-Ting Wei, Zhubei, TW;
Jyh-Horng Wu, Kaohsiung, TW;
Yao-Zu Wu, Tainan, TW;
Ming-Tsong Leu, Tainan, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/30 (2006.01); C08C 19/08 (2006.01); C08F 236/14 (2006.01);
U.S. Cl.
CPC ...
C08C 19/08 (2013.01); C08C 19/30 (2013.01); C08F 236/14 (2013.01);
Abstract
A depolymerizer is formed by grafting thiol groups on parts of the double bonds of a polymer of linear conjugated diene monomer. The linear conjugated diene monomer can be 1,3-butadiene, isoprene, 1,3-pentadiene, 2,3-dimethyl-1,3-butadiene, 2-methyl-1,3-pentadiene, 2,3-dimethyl-1,3-pentadiene, 2-phenyl-1,3-butadiene, or 4,5-diethyl-1,3-octadiene. The depolymerizer has a weight average molecular weight of 1000 to 400000.