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:
Nov. 28, 2023
Filed:
Jun. 07, 2019
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Michael Haas, Graz, AT;
Harald Stüger, Graz, AT;
Thomas Lainer, Graz, AT;
Odo Wunnicke, Muenster, DE;
Michael Holthausen, Haltern am See, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/107 (2006.01);
U.S. Cl.
CPC ...
C01B 33/10715 (2013.01); C01B 33/10778 (2013.01);
Abstract
A method is useful for preparing partially hydrogenated chlorosilanes by selective hydrogenation with a compound of the formula RAlH, wherein R is a branched or cyclic hydrocarbon. Partially hydrogenated chlorosilanes can be prepared with said method, in particular partially hydrogenated chlorosilanes represented by the formula ClSiSi(SiH), (ClSi)Si(SiH)or HSi(SiH)SiCl.