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:
Nov. 16, 2021
Filed:
Dec. 19, 2019
Applicant:
Prc-desoto International, Inc., Sylmar, CA (US);
Inventors:
JianCheng Liu, Arcadia, CA (US);
Chu Ran Zheng, Arcadia, CA (US);
Kevin Cheng, San Gabriel, CA (US);
Bruce Virnelson, Valencia, CA (US);
Assignee:
PRC-DeSoto International, Inc., Sylmar, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 27/26 (2006.01); B32B 27/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/286 (2013.01); B32B 27/26 (2013.01); B32B 27/308 (2013.01); B32B 27/40 (2013.01); B32B 2305/72 (2013.01);
Abstract
Adhesion-promoting compositions and the use of the adhesion-promoting compositions to provide adhesion-promoting interlayers to enhance adhesion between adjoining layers of sulfur-containing sealants are disclosed. In repair applications, the adhesion-promoting compositions can enhance the adhesion of an overlying radiation-curable sulfur-containing sealant to a damaged or aged sulfur-containing sealant.