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, 2010
Filed:
Apr. 23, 2007
Hirofumi Fukuoka, Annaka, JP;
Mikio Aramata, Annaka, JP;
Satoru Miyawaki, Annaka, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
An efficient method for producing a silicon oxide powder at a low cost is provided. This method comprises the steps of heating a powder mixture of a silicon dioxide powder and a metal silicon powder to a temperature of 1,100 to 1,450° C. in an inert gas or under reduced pressure to generate silicon monoxide gas, and precipitating the silicon monoxide gas on a surface of a substrate to produce the silicon oxide powder, and in this method, the silicon dioxide powder has an average particle diameter of up to 1 μm, and the metal silicon powder has an average particle diameter of 30 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile