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:
Mar. 10, 2009
Filed:
Mar. 07, 2006
Karsten Korth, Grenzach-Wyhlen, DE;
Philipp Albert, Lörrach, DE;
Ingo Kiefer, Dossenbach-Schwörstadt, DE;
Albert Frings, Brühl, DE;
Louis Janssens, Merksem, BE;
Horst Mertsch, Rheinfelden, DE;
Karsten Korth, Grenzach-Wyhlen, DE;
Philipp Albert, Lörrach, DE;
Ingo Kiefer, Dossenbach-Schwörstadt, DE;
Albert Frings, Brühl, DE;
Louis Janssens, Merksem, BE;
Horst Mertsch, Rheinfelden, DE;
Degussa AG, Düsseldorf, DE;
Abstract
A process for the preparation or organosilanes of the formula I by reacting a (haloorganyl)alkoxysilane of the formula II with a sulphurization reagent selected from the group consisting or alkali metal hydrogen sulphide, alkali metal sulphide MeS, alkali metal polysulphide MeSand any desired combinations thereof, and optionally additionally with sulphur and/or with HS, in an alcohol, the MeS or MeScontaining more than 10% by weight of water and the alkali metal hydrogen sulphide containing more than 3% by weight of water.