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. 05, 1989
Filed:
Jun. 22, 1989
Applicant:
Inventors:
David J Tracy, Lincoln Park, NJ (US);
Mohamed M Hashem, Wayne, NJ (US);
Assignee:
GAF Chemicals Corporation, Wayne, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548554 ; 548543 ;
Abstract
The present invention relates to a process for the selective preparation of an N-alkyl lactam having minimal coloration by reacting the corresponding lactone with an alkyl amine in the presence of a catalytic amount of an ammonium, alkali metal or alkaline earth metal borohydride.