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. 05, 2018
Filed:
Dec. 10, 2015
Applicant:
Prc-desoto International, Inc., Sylmar, CA (US);
Inventors:
Hongying Zhou, Allison Park, PA (US);
Juexiao Cai, Stevenson Ranch, CA (US);
Renhe Lin, Stevenson Ranch, CA (US);
Assignee:
PRC-DeSoto International, Inc., Sylmar, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 59/68 (2006.01); C09J 5/06 (2006.01); C09J 163/00 (2006.01); C09J 163/04 (2006.01);
U.S. Cl.
CPC ...
C08G 59/686 (2013.01); C09J 5/06 (2013.01); C09J 163/00 (2013.01); C09J 163/04 (2013.01); C09J 2463/00 (2013.01);
Abstract
Compositions comprising sulfur-containing prepolymers such as polythioether prepolymers, polyepoxides, and a blocked 1,8-diazabicyclo[5.4.0]undec-7-ene bicarbonate catalyst useful as aerospace sealants are disclosed. The compositions exhibit extended working time and the curing rate can be tailored for specific applications.