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:
Jul. 12, 2016
Filed:
May. 13, 2015
Applicant:
Evonik Industries Ag, Essen, DE;
Inventors:
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
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).