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:
Jan. 31, 2017
Filed:
Jul. 03, 2012
Kouki Ichitsubo, Chiba, JP;
Kenta Masuda, Chiba, JP;
Masakazu Suzuki, Chiba, JP;
Kohei Kawano, Chiba, JP;
Jun Kumasaka, Chiba, JP;
Kouki Ichitsubo, Chiba, JP;
Kenta Masuda, Chiba, JP;
Masakazu Suzuki, Chiba, JP;
Kohei Kawano, Chiba, JP;
Jun Kumasaka, Chiba, JP;
TAIHEIYO CEMENT CORPORATION, Tokyo, JP;
Abstract
A particle formed of silica and carbon having a low impurity content and an excellent reactivity is provided. Also provided is a method of producing a silica and carbon-containing material including: (B) a carbon mixing step of mixing an aqueous alkali silicate solution having a silicon concentration within the liquid portion of at least 10 wt % with carbon so as to obtain a carbon-containing aqueous alkali silicate solution; and (C) a silica recovery step of mixing the carbon-containing aqueous alkali silicate solution with a mineral acid so as to cause carbon and silicon within the liquid portion to precipitate as particles formed of silica and carbon and thus obtaining a particle-containing liquid substance, then solid-liquid separating the liquid substance so as to obtain a solid portion of a silica and carbon-containing material which is an assembly of particles formed of silica and carbon and a liquid portion containing impurities.