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:
Sep. 14, 2021
Filed:
Apr. 10, 2019
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Ayumu Kiyomori, Joetsu, JP;
Shotaro Aoki, Joetsu, JP;
Masato Kawakami, Joetsu, JP;
Tohru Kubota, Tokyo, JP;
Assignee:
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/16 (2006.01); C09D 7/61 (2018.01); C09D 183/16 (2006.01); C08G 77/62 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C09D 5/1662 (2013.01); C09D 7/61 (2018.01); C09D 183/16 (2013.01); C08G 77/62 (2013.01); C08K 3/36 (2013.01);
Abstract
A composition is provided comprising (a) a polysilazane having a monovalent hydrocarbon group, (b) untreated metal oxide nanoparticles, metal oxide nanoparticles having a monovalent hydrocarbon group, or metal oxide nanoparticles having an alkylsilyl or alkoxysilyl group, and (c) an aprotic solvent. The composition has storage stability and is suitable for forming a film having water repellent, especially superhydrophobic properties.