Process for making a granule or powder

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United States of America Patent

PATENT NO 12006487
APP PUB NO 20210317392A1
SERIAL NO

17280066

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Abstract

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Process for making a powder or granule containing

    (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of glutamic acid diacetate (GLDA) and of iminodisuccinic acid (IDS),(B) at least one alkali metal salt of a C10-C20 fatty acid, in a weight ratio of (A):(B) of from 40:1 up to 1,000:1,wherein said powder or granule contains at least 75% by weight of chelating agent (A),said process comprising the steps of (c) mixing the at least one chelating agent (A) and the at least one alkali metal salt of fatty acid (B) in the presence of water,(d) removing most of said water by spray-drying or by spray granulation using a gas with an inlet temperature of at least 125° C.

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Patent Owner(s)

Patent OwnerAddress
BASF SEGERMANY'S RHINE RIVER IN LUDWIGSHAFEN LUDWIGSHAFEN RHINELAND-PALATINATE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jaekel, Frank Ludwigshafen, DE 20 29
Mueller, Michael Klemens Ludwigshafen, DE 20 22
Schmidt, Astrid Ludwigshafen, DE 8 1

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