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:
Feb. 13, 1979
Filed:
Apr. 12, 1976
Applicant:
Inventors:
Helmut Beschke, Hanau, DE;
Heinz Friedrich, Hanau, DE;
Klaus-Peter Muller, Bergheim, DE;
Gerd Schreyer, Hanau, DE;
Assignee:
Deutsche Gold- Und Silber-Scheideanstalt vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546317 ;
Abstract
Nicotinamide is recovered from the reaction mixture resulting from the hydrolysis of nicotinonitrile at elevated temperature by converting the nicotinamide into a melt while removing the solvent.