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:
Oct. 16, 2001
Filed:
Jun. 09, 1999
Applicant:
Inventors:
Kiyoshi Musha, Tokyo, JP;
Kazuhiko Hayashi, Tokyo, JP;
Assignee:
Asahi Denka Kogyo K.K., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/28 ;
U.S. Cl.
CPC ...
C11D 1/28 ;
Abstract
A fatty acid and/or an alkyl ester of a fatty acid and isethionic acid are allowed to react at a temperature of not more than 130° C. The present invention provides a process for preparing a fatty ester of isethionic acid or a salt thereof exhibiting an ameliorated hue and smell and in which few by-products are produced.