Patents Represented by Attorney, Agent or Law Firm Richardson E. L. Henderson - Justia Patents Search

Patents Represented by Attorney, Agent or Law Firm Richardson E. L. Henderson

Bis(2-chlorothiazolyl-5-methyl)amine and its salts, and process for working up reaction mixtures comprising 5-aminomethyl-2-chlorothiazole and bis(2-chlorothiazolyl-5-methyl)amine

Patent number: 6403803

Abstract: As a result of a special precipitation, it is possible to work up reaction mixtures containing 5-aminomethyl-2-chlorothiazole and bis(2-chlorothiazolyl-5-methyl)amine in an advantageous manner and to isolate bis(2-chlorothiazolyl-5-methyl)amine or its salts.

Type: Grant

Filed: December 3, 2001

Date of Patent: June 11, 2002

Assignee: Bayer Aktiengesellschaft

Inventor: Günter Rauchschwalbe