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:
Jul. 09, 2013
Filed:
Sep. 15, 2009
Yohei Kawai, Chiyoda-ku, JP;
Takashige Yoneda, Chiyoda-ku, JP;
Yohei Kawai, Chiyoda-ku, JP;
Takashige Yoneda, Chiyoda-ku, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
Hollow fine particles containing SiOas the main component and containing another metal. The amount of the other metal (calculated as oxide) is 0.2 to 8 parts by mass based on 100 parts by mass of SiO. A coating composition containing the hollow fine particles and a dispersion medium. An article having a coating film including the coating composition formed on a substrate. A process for producing hollow fine particles, which includes (a) precipitating a shell containing SiOas the main component and containing another metal on the surface of core fine particles, to obtain core/shell particles, and (b) dissolving or decomposing the core fine particles of the core/shell fine particles.