The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 1976
Filed:
Apr. 09, 1975
Applicant:
Inventors:
Gerhard Kunstle, Raitenhaslach, DT;
Klaus Vornehm, Burghausen, DT;
Hellmuth Spes, Burghausen, DT;
Herbert Siegl, Haiming, DT;
Assignee:
Wacker-Chemie GmbH, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
A method for the purification of crude 2-aminothiazole comprising subjecting an aqueous melt of crude 2-aminothiazole to a vacuum distillation in the presence of a trialkyl borate and fractional solidification of the ensuing vapors.