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. 28, 1995
Filed:
Mar. 23, 1993
Applicant:
Inventors:
Van Au, Peekskill, NY (US);
Bijan Harirchian, South Orange, NJ (US);
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C07G / ; C07C / ;
U.S. Cl.
CPC ...
536 187 ; 514 53 ; 536-111 ; 536-41 ; 536 185 ; 536 172 ; 536 221 ; 536124 ; 53612313 ;
Abstract
A process of preparing N-substituted aldonamides, the process including the steps of mixing and reacting an aldonolactone and an amine in an organic polar solvent, in the presence of an antioxidant and a reducing agent. The aldonamides have improved color; the discoloration or browning of the aldonamides upon storage or elevated temperature processing is eliminated or substantially minimized.