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. 05, 2014
Filed:
Aug. 13, 2012
Frauke Henning, Essen, DE;
Andrea Lohse, Bottrop, DE;
Ulrike Mahring, Essen, DE;
Dirk Kuppert, Aschaffenburg, DE;
Frauke Henning, Essen, DE;
Andrea Lohse, Bottrop, DE;
Ulrike Mahring, Essen, DE;
Dirk Kuppert, Aschaffenburg, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
A process for producing amino-functional polysiloxanes by reacting the components A) identical or different terminally hydroxy-functional, linear or branched polysiloxanes, B) identical or different alkoxysilanes of the formulaRRSiR  (I)where Ris identical or different alkyl radicals having 1 to 4 carbon atoms, Ris identical or different alkoxy radicals having 1 to 4 carbon atoms, Ris an organic radical having at least one nitrogen atom, x=0 to 2, and C) water, in the presence of D) one or more phosphorus-containing, Brønsted-acidic compounds, to the correspondingly obtainable polysiloxanes containing nitrogen-containing groups, and to the use thereof are provided.