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:
Mar. 30, 1982
Filed:
May. 14, 1980
Applicant:
Inventors:
Harald Jensen, Frankfurt am Main, DE;
Erwin Schmidt, Kelkheim, DE;
Michael Mitzlaff, Bad Homburg, DE;
Jurgen Cramer, Eppstein, DE;
Rudolf Pistorius, Ober-Morlen, DE;
Hartmut Pietsch, Hofheim am Taunus, DE;
Klaus Dehmer, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
204 / ; 564215 ;
Abstract
N-Vinyl-N-alkyl-carboxylic acid amides are prepared, starting from N-ethyl-carboxylic acid amides, in a 3-stage process consisting of the following stages: