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. 04, 2019
Filed:
Jun. 26, 2014
Applicant:
Solvay SA, Brussels, BE;
Inventor:
David Jean Lucien Savary, Dombasle-sur-Meurthe, FR;
Assignee:
Solvay SA, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D 7/00 (2006.01); C01D 7/40 (2006.01); C01D 7/24 (2006.01); C01D 7/10 (2006.01);
U.S. Cl.
CPC ...
C01D 7/40 (2013.01); C01D 7/00 (2013.01); C01D 7/10 (2013.01); C01D 7/24 (2013.01); C01P 2004/60 (2013.01); C01P 2006/11 (2013.01);
Abstract
A method for preparing alkali metal bicarbonate particles by crystallization from an alkali metal carbonate and/or bicarbonate solution with an additive present in the solution, chosen from among sulfates, sulfonates, polysulfonates, amines, hydroxysultaines, polycarboxylates, polysaccharides, polyethers and ether-phenols, alkali metal hexametaphosphate, phosphates, sulfosuccinates, amidosulfonates, amine sulfonates, preferably chosen from among polysaccharides, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably at most 200 ppm.