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. 17, 2018
Filed:
Apr. 25, 2016
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Imad Moussallem, Hanau, DE;
Juergen Erwin Lang, Karlsruhe, DE;
Hartwig Rauleder, Rheinfelden, DE;
Martin Trocha, Essen, DE;
Nicole Brausch, Essen, DE;
Assignee:
EVONIK DEGUSSA GMBH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/107 (2006.01);
U.S. Cl.
CPC ...
C01B 33/107 (2013.01); C01B 33/10773 (2013.01);
Abstract
A controlled preparation of octachlorotrisilane and higher polychlorosilane such as DCTS and DCPS from monomeric chlorosilane, proceeds by exposing the chlorosilane to a nonthermal plasma and recycling chlorosilane that has not been converted to octachlorotrisilane into the plasma.