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:
Jan. 07, 1997
Filed:
Sep. 13, 1995
Applicant:
Inventors:
Andreas Seidel, K oln, DE;
Dieter Peters, H urth-Efferen, DE;
Norbert Weferling, H urth-Efferen, DE;
Dimitrios Mouratidis, Frechen, DE;
Assignee:
Hoechst AG, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560226 ;
Abstract
To produce tert-butyl chloroacetate by addition of chloroacetic acid to isobutene, the reaction is carried out in the absence of catalysts and solvents in a pressure vessel at a temperature of 80.degree. to 110.degree. C. under the pressure which establishes itself of 3 to 12 bar over a period of 1 to 12 hours. After the pressure vessel is cooled, the cooled product mixture is withdrawn and it is worked up by distillation under reduced pressure without prior neutralization.