Method of producing calcium pyruvates

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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C07C 5919

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active

059627344

ABSTRACT:
A method of producing calcium pyruvates is described, in which calcium salts of organic acids or acidic organic keto or hydroxy compounds are reacted with pyruvic acid at a temperature in the range from -20 to +120.degree. C., if necessary in the presence of a solvent or diluent. In this way, high-purity calcium pyruvates are obtained which can be largely free of water and have a very long shelf life.

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patent: 5395822 (1995-03-01), Izumi et al.
patent: 5480909 (1996-01-01), Stanko
patent: 5612374 (1997-03-01), Stanko
patent: 5716926 (1998-02-01), Beale et al.
patent: 5756469 (1998-05-01), Beale

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