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:
Dec. 27, 2022
Filed:
Dec. 07, 2018
Applicant:
Guangdong Huarun Paints Co., Ltd, Foshan, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 15/00 (2006.01); C09D 7/61 (2018.01); C09D 7/40 (2018.01); C09D 5/02 (2006.01); C09D 133/04 (2006.01); C09D 175/06 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C09D 15/00 (2013.01); C09D 5/024 (2013.01); C09D 7/61 (2018.01); C09D 7/67 (2018.01); C09D 133/04 (2013.01); C09D 175/06 (2013.01); C08K 3/36 (2013.01); C08K 2201/011 (2013.01);
Abstract
The present invention relates to aqueous coating compositions for forming an anti-grain-puffing coating, aqueous primers comprising the aqueous coating composition, and articles comprising the anti-grain-puffing coating. In particular, the aqueous coating composition comprises: (a) an aqueous dispersion of polymeric particles, wherein the polymer particles comprise polymer having an anionic hydrophilic group on its molecule chain, and the aqueous dispersion of polymeric particles has a pH of less than 7.0; and (b) an aqueous dispersion of nano-silica.