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:
Aug. 23, 1988
Filed:
Jan. 28, 1987
Applicant:
Inventors:
Hans-Martin Hutmacher, Ludwigshafen, DE;
Franz J Broecker, Ludwigshafen, DE;
Franz Merger, Frankenthal, DE;
Rolf Fischer, Heidelberg, DE;
Uwe Vagt, Speyer, DE;
Heinz-Walter Schneider, Ludwigshafen, DE;
Wolfgang Richter, Wachenheim, DE;
Wolfgang Harder, Weinheim, DE;
Claus-Ulrich Priester, Meckenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560155 ; 562553 ;
Abstract
In an improved process for the preparation of 6-aminocaproates by reacting a 5-formylvalerate with ammonia and hydrogen using an alkanol as a solvent in the presence of a hydrogenation catalyst at elevated temperatures and under superatmospheric pressure, the improvement comprises carrying out the reaction at from 40.degree. to 95.degree. C.