Patent
Process for separating pivalic acid from spent reaction mixtures (US Patent 5990351)
Biochemie GmbH · Granted Nov 23, 1999 · Filed Dec 22, 1997
Patent number: 5990351 Granted: 1999-11-23 Filed: 1997-12-22 Inventors: Joan Cabre (Barcelona, ES); Victor Centellas (Barcelona, ES); Jose Diago (Barcelona, ES); Asuncion Esteve (Barcelona, ES); Joan Serrat (Barcelona, ES) Assignees: Biochemie GmbH (AT)
Abstract
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
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