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.

Date of Patent:
Jan. 12, 2016

Filed:

Nov. 03, 2011
Applicants:

Sakae Takeuchi, Kanagawa, JP;

Shinichiro Kawashima, Kanagawa, JP;

Hiroyoshi Okuno, Kanagawa, JP;

Hideaki Yoshikawa, Kanagawa, JP;

Yuji Masuda, Kanagawa, JP;

Shunsuke Nozaki, Kanagawa, JP;

Yuka Zenitani, Kanagawa, JP;

Inventors:

Sakae Takeuchi, Kanagawa, JP;

Shinichiro Kawashima, Kanagawa, JP;

Hiroyoshi Okuno, Kanagawa, JP;

Hideaki Yoshikawa, Kanagawa, JP;

Yuji Masuda, Kanagawa, JP;

Shunsuke Nozaki, Kanagawa, JP;

Yuka Zenitani, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/12 (2006.01); C01B 33/18 (2006.01); C01B 33/141 (2006.01); C09C 1/30 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); C01B 33/12 (2013.01); C01B 33/141 (2013.01); C09C 1/30 (2013.01); C09C 1/3027 (2013.01);
Abstract

A method for producing silica particles, includes preparing a silica particle dispersion containing silica particles, and a solvent containing an alcohol and water, and bringing supercritical carbon dioxide into contact with the silica particle dispersion to remove the solvent.


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