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. 07, 2005
Filed:
Sep. 19, 2001
Ditmar Kischkel, Monheim, DE;
Werner Leinemann, Ratingen, DE;
Rainer Eskuchen, Langenfeld, DE;
Michael Koehler, Mettmann, DE;
Manfred Weuthen, Langenfeld, DE;
Ditmar Kischkel, Monheim, DE;
Werner Leinemann, Ratingen, DE;
Rainer Eskuchen, Langenfeld, DE;
Michael Koehler, Mettmann, DE;
Manfred Weuthen, Langenfeld, DE;
Cognis Deutschland GmbH & Co. KG, Duesseldorf, DE;
Abstract
Processes for preparing light-colored alkyl and/or alkenyl oligoglycoside mixtures are disclosed. The processes disclosed include providing an initial mixture of an alk(en)yl oligoglycoside and a rheology-modifying agent, the mixture having a viscosity of from 10 to 1000 mPas at a temperature of from 85 to 130° C., and a water content of less than 2% by weight, based on the alk(en)yl oligoglycoside; and bleaching the initial mixture at a temperature of from 85 to 130° C. to form a light-colored surfactant mixture having a water content of less than 2% by weight, based on the alk(en)yl oligoglycoside. Also disclosed is the use of such mixtures in cleaning compositions, such as detergents, washing and dishwashing compositions.