Method for preparing particles of alkali metal bicarbonate

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United States of America Patent

PATENT NO 9873615
APP PUB NO 20160145115A1
SERIAL NO

14900533

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for preparing particles of alkali metal bicarbonate by crystallization from a solution of alkali metal carbonate and/or bicarbonate in the presence of an additive in the solution, selected from the sulfates, sulfonates, the polysulfonates, the amines, the hydroxysultaines, the polycarboxylates, the polysaccharides, the polyethers and the ether-phenols, alkali metal hexametaphosphate, the phosphates, the sulfosuccinates, the amidosulfonates, the aminosulfonates, preferably selected from the polycarboxylates having a mean molecular weight lower than 8000 g/mol, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably of at most 200 ppm.

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Patent Owner(s)

Patent OwnerAddress
SOLVAY SA1120 BRUXELLES

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Savary, David Jean Lucien Dombasle-sur-Meurthe, FR 13 8

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