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:
Nov. 02, 2010
Filed:
Oct. 24, 2002
Uwe Held, Velbert, DE;
Carsten Baumann, Cologne, DE;
Sandra Heldt, Erkrath, DE;
Horst-dieter Schares, Erkrath, DE;
Andreas Willing, Erkrath, DE;
Uwe Held, Velbert, DE;
Carsten Baumann, Cologne, DE;
Sandra Heldt, Erkrath, DE;
Horst-Dieter Schares, Erkrath, DE;
Andreas Willing, Erkrath, DE;
Cognis IP Management GmbH, Duesseldorf, DE;
Abstract
A process for making a biodegradable composition involving: (a) providing from about 20 to 80% by weight of Cfatty alcohol; (b) providing from about 20 to 80% by weight of a ring opening product of a C1,2-epoxyalkane with ethylene glycol; (c) combining (a) and (b) to form a reaction mixture; and (d) reacting the reaction mixture with ethylene oxide, with the proviso that the ethylene oxide is used in an amount of from about 5 to 100 mol ethylene oxide per mol of free OH groups present in the reaction mixture.