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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.:

US 9388201 B1

PDFFull Text
Expired
Date of Patent:
Jul. 12, 2016

Filed:

May. 13, 2015

Urea-containing silanes, process for preparation thereof and use thereof

Applicant:

Evonik Industries Ag, Essen, DE;

Inventors:

Caren Röben, Köln, DE;

Ralph Moser, Freiburg i. Br., DE;

Stefanie Mayer, Rheinfelden, DE;

Assignee:

Evonik Degussa GmbH, Essen, DE;

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Porfirio Nazario Gonzalez

Assistant Examiner:

Kofi Adzamli

Int. Cl.
CPC ...
C07F 7/10 (2006.01); C07F 7/18 (2006.01); C08C 19/25 (2006.01); C08G 77/00 (2006.01); C08L 83/00 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C07F 7/1836 (2013.01); C07F 7/1892 (2013.01); C08C 19/25 (2013.01); C08G 77/00 (2013.01); C08L 9/06 (2013.01); C08L 83/00 (2013.01);
Abstract

The invention relates to urea-containing silanes of the formula I which are prepared by, in a first step, reacting an aminosilane of the formula II with an isocyanate of the formula III and, in a second step, reacting the product from the first process step with sodium sulphide of the formula IVNaS  (IV)or in a first step, reacting an isocyanatosilane of the formula VI with an amine of the formula VII and, in a second step, reacting the product from the first process step with sodium sulphide of the formula IVNaS  (IV).

Find Patent Forward Citations

Röben, Caren. (2016). Urea-containing silanes, process for preparation thereof and use thereof (U.S. Patent No. 9388201). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9388201

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