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.

Date of Patent:
Jan. 29, 2019

Filed:

Sep. 17, 2015
Applicant:

Evonik Degussa Gmbh, Essen, DE;

Inventors:

Michael Krebs, Duesseldorf, DE;

Roland Hubel, Essen, DE;

Michael Ferenz, Essen, DE;

Marco Wolf, Wesel, DE;

Thomas Guenther, Neuss, DE;

Assignee:

Evonik Degussa GmbH, Essen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/20 (2006.01); C08G 18/24 (2006.01); C08G 18/28 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C08G 77/46 (2006.01); C08G 77/50 (2006.01); C08J 9/00 (2006.01); C08J 9/12 (2006.01); C08G 77/14 (2006.01); C08G 77/20 (2006.01); C08G 77/42 (2006.01); C08G 77/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/125 (2013.01); C08G 18/2063 (2013.01); C08G 18/244 (2013.01); C08G 18/2825 (2013.01); C08G 18/4841 (2013.01); C08G 18/7621 (2013.01); C08G 18/7664 (2013.01); C08G 77/46 (2013.01); C08G 77/50 (2013.01); C08J 9/0042 (2013.01); C08G 77/14 (2013.01); C08G 77/20 (2013.01); C08G 77/42 (2013.01); C08G 77/70 (2013.01); C08J 2375/08 (2013.01);
Abstract

The use of bonded siloxane block polymers of the general average formula (I) MMDDTQGas additive in the production of PUR foam using at least one polyol component and at least one isocyanate component, wherein the polyol component used has an average hydroxyl number, determined to DIN 53240-1:2012-07, of >56 to <450 mg KOH/g, preferably 57-300 mg KOH/g, and wherein the PUR foam is produced at an isocyanate index of 65 to 108, is described.


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