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:
Jun. 28, 1977
Filed:
Oct. 15, 1975
Applicant:
Inventor:
Kenneth James, Reading, EN;
Assignee:
Tate & Lyle Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536119 ; 252 / ; 252352 ; 424361 ; 426608 ; 536115 ;
Abstract
A surface active material is prepared by reacting solid particulate sucrose with at least one alkyl ester of a fatty acid in the presence of a basic trans-esterification catalyst, at a temperature from 110.degree. to 140.degree. C, at atmospheric pressure and in the absence of any solvent. The reaction product may be purified by conversion of fatty acids and salts thereof into soaps, extracting the water-insoluble material with a ketone or ester solvent and extracting the residue with an alcohol.