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:
Dec. 27, 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 7/04 (2006.01); C07F 7/18 (2006.01);
U.S. Cl.
CPC ...
C07F 7/1836 (2013.01);
Abstract
The invention relates to urea-containing silanes of the formula I which are prepared by reacting urea-containing disulphide silanes of the formula II with sulphur orin a first step, reacting an aminosilane of the formula III with an isocyanate of the formula IV and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V)NaS  (V)orin a first step, reacting an isocyanatosilane of the formula VII with an amine of the formula VIII and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V)NaS  (V).