C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 53/128 (2006.01) C07C 51/42 (2006.01) C07C 51/44 (2006.01)
Patent
CA 2224806
A process for recovering 2,2-dimethylpropanoic acid in highly pure form from a mixture of 2,2-dimethylpropanoic acid and impurities which may be obtained in the production of a beta lactam antibiotic, by degrading impurities and separating off the volatile fragments.
Cette invention concerne un procédé permettant la récupération d'acide 2,2-diméthylpropionique sous une forme très pure à partir d'un mélange d'acide 2,2-diméthylpropionique et d'impuretés que l'on peut obtenir au cours de la production d'un antibiotique bêta-lactame, ledit procédé consistant à décomposer les impuretés et à séparer les fragments volatils.
Cabre Joan
Centellas Victor
Diago Jose
Esteve Asuncion
Serrat Joan
Biochemie Gesellschaft M.b.h.
Kirby Eades Gale Baker
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