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:
Aug. 12, 2014
Filed:
Aug. 03, 2012
Wilfried Knott, Essen, DE;
Horst Dudzik, Essen, DE;
Frauke Henning, Essen, DE;
Frank Schubert, Neukirchen-Vluyn, DE;
Michael Ferenz, Essen, DE;
Roland Hubel, Essen, DE;
Wilfried Knott, Essen, DE;
Horst Dudzik, Essen, DE;
Frauke Henning, Essen, DE;
Frank Schubert, Neukirchen-Vluyn, DE;
Michael Ferenz, Essen, DE;
Roland Hubel, Essen, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present invention provides polysiloxane-polyether copolymers comprising at least one polyether moiety, characterized in that there is at least one polyether moiety capped with at least one —O—C(O)—O—R″ unit where R″ is identical or different alkyl moieties, a process for preparation thereof and use thereof, especially for polyurethane foam production.