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:
Aug. 16, 2016
Filed:
Oct. 18, 2010
Hideaki Yoshikawa, Kanagawa, JP;
Yuka Zenitani, Kanagawa, JP;
Hiroyoshi Okuno, Kanagawa, JP;
Shunsuke Nozaki, Kanagawa, JP;
Shinichiro Kawashima, Kanagawa, JP;
Sakae Takeuchi, Kanagawa, JP;
Hideaki Yoshikawa, Kanagawa, JP;
Yuka Zenitani, Kanagawa, JP;
Hiroyoshi Okuno, Kanagawa, JP;
Shunsuke Nozaki, Kanagawa, JP;
Shinichiro Kawashima, Kanagawa, JP;
Sakae Takeuchi, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
The invention provides a method of producing silica particles, the method including preparing an alkali catalyst solution containing an alkali catalyst in a solvent including an alcohol, at a concentration of from about 0.6 mol/L to about 0.85 mol/L; and supplying tetraalkoxysilane into the alkali catalyst solution, and concurrently supplying an alkali catalyst into the alkali catalyst solution at a rate of from about 0.1 mol to about 0.4 mol per mole of the total amount of supply of the tetraalkoxysilane supplied in one minute.