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. 21, 2012
Filed:
Jan. 22, 2008
Applicants:
Christoph Schwarz, Marl, DE;
Dorothea Schwarz, Marl, DE;
Hartwig Rauleder, Rheinfelden, DE;
Ingo Pauli, Schmitten, DE;
Andreas Nelte, Oer-Erkenschwick, DE;
Harald Seiler, Mainz, DE;
Inventors:
Christoph Schwarz, Marl, DE;
Dorothea Schwarz, Marl, DE;
Hartwig Rauleder, Rheinfelden, DE;
Ingo Pauli, Schmitten, DE;
Andreas Nelte, Oer-Erkenschwick, DE;
Harald Seiler, Mainz, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron by means of separation by distillation of a boron-enriched distillation flow. The invention further relate to a device for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron.