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. 05, 1993
Filed:
Dec. 13, 1990
Applicant:
Inventors:
Arend Zwanenburg, Vlaardingen, NL;
Bart Barmentlo, Delft, NL;
Assignee:
Van den Bergh Foods Co., Division of Conopco, Inc., Lisle, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07H / ;
U.S. Cl.
CPC ...
203 34 ; 203 36 ; 203 37 ; 203D / ; 536119 ; 536127 ; 554175 ;
Abstract
A process for refining soap-containing crude polyol fatty-acid polyester reaction product, the process including one or more high-temperature refining treatments and as the first step in the refining process, contacting the crude reaction product with an acid to substantially convert the soap into its corresponding free fatty acids, and the subsequent step of substantially removing from the crude reaction product any salts therein prior to said one or more high-temperature refining treatments.