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:
Jun. 08, 2021
Filed:
Sep. 30, 2016
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Philippe Jost, Serpaize, FR;
Leo Ricardo Bedore Dos Santos, Fazenda Santa Candida Campinas, BR;
Daniella De Villefort Grossi, Campinas, BR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/32 (2006.01); C01B 33/193 (2006.01);
U.S. Cl.
CPC ...
C01B 33/193 (2013.01); C01B 33/32 (2013.01); C01B 33/325 (2013.01);
Abstract
The invention relates to a novel process for the preparation of silicate comprising: reacting rice husk ash with a silicate precursor P1 to obtain a silicate S2 having a SiO/MO molar ratio MR2, in which the precursor P1 is either a silicate S1 having a SiO/MO molar ratio MR1 such that MR2>MR1, or a mixture of sand with metal hydroxide.