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:
Dec. 05, 2006
Filed:
Oct. 18, 2000
Applicants:
Manfred Weuthen, Langenfeld, DE;
Karl Heinz Schmid, Mettmann, DE;
Inventors:
Manfred Weuthen, Langenfeld, DE;
Karl Heinz Schmid, Mettmann, DE;
Assignee:
Cognis Deutschland GmbH & Co. KG, Duesseldorf, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 1/00 (2006.01); C07H 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for making solid sugar surfactants involving: (a) providing a glycose component; (b) acetalizing the glycose component with a fatty alcohol to form a technical mixture containing excess fatty alcohol and alkyl and/or alkenyl oligoglycoside; and (c) contacting the technical mixture with an extractant to form a solid phase containing the extractant, a predominant part of alkyl and/or alkenyl oligoglycoside and a small amount of fatty alcohol, and a liquid phase containing a predominant part of the fatty alcohol.