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. 22, 2000
Filed:
Apr. 22, 1997
Applicant:
Inventors:
Bernard Maisonneuve, Valley Cottage, NY (US);
Dale Steichen, Danbury, CT (US);
Ralph Franklin, Danbury, CT (US);
Kornelis Overkempe, Holten, NL;
Assignee:
AKZO Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
554 69 ; 554 35 ; 554 51 ; 554 68 ; 554 70 ; 564141 ; 564143 ; 564139 ;
Abstract
Methods for producing carboxylic amides involves combining near-stoichiometric amounts of carboxylic acid and amine in a reaction vessel and reacting under pressures greater than atmospheric pressure. Alternatively, an excess of amine is reacted with carboxylic acid at atmospheric pressure to produce a carboxylic amide.