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. 10, 2020
Filed:
Mar. 15, 2019
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Roxalana Lee Martin, Pittsburgh, PA (US);
Aneta Bogdanova Iossifova, Allison Park, PA (US);
Jennifer Tamaki Jordan, Natrona Heights, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) a polythioether having thioether linkages and mercapto functional groups; and (c) an adhesion promoter having at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment including aromatic groups; and urethane linkages, urea linkages, or a combination thereof; and (ii) an elastomeric segment that is different from (i), in which the polymeric shell is covalently bonded to at least a portion of the polymeric core.