C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 339/04 (2006.01)
Patent
CA 2254561
The present invention is relative to a method of producing dry thioctic acid in which a raw material in which concentrated thioctic acid is present is treated with liquid or supercritical CO2, thus yielding thioctic acid with low residual solvent contents in a simple industrial method.
Bethge Horst
Drauz Karlheinz
Hubner Frank
Moller Roland
Rehren Claus
Asta Medica Aktiengesellschaft
Edward Valerie G.
Meda Pharma Gmbh & Co. Kg
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