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:
Dec. 03, 2024
Filed:
Mar. 22, 2019
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventor:
Karl-Heinz Rimboeck, Heldenstein, DE;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/025 (2006.01); C01B 33/037 (2006.01);
U.S. Cl.
CPC ...
C01B 33/025 (2013.01); C01B 33/037 (2013.01); C01P 2006/80 (2013.01);
Abstract
Technical-grade silicon is produced by reacting a raw material mixture containing silicon dioxide and carbon in an electric furnace with a particulate mediator containing at least one of the elements C, O, Al and Si is reacted in an electric furnace, wherein the mixture is described by a dimensionless index K, K having a value of from 0 to 745 and being calculated as follows: