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US 2002/0161039 A1Published application
Crystalline choline ascorbate
AssigneeBASF SE
InventorsLudwig Volkel, Alfred Oftring, Oliver Hasselwander, Ulrike Sindel, Klaus Kramer
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Abstract
Crystalline ascorbate, in particular choline ascorbate in the form of crystals free from water of crystallization, processes for its preparation, and its used are described.
Claims11
A crystalline choline ascorbate
A process for preparing crystalline choline ascorbate by reacting ascorbic acid with trimethylamine and ethylene oxide, which comprises carrying out the reaction in the temperature range from −10° C. to 40° C.
Dependencies are inferred from the claim text.