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. 18, 1980
Filed:
Aug. 13, 1979
Applicant:
Inventors:
Josef Dietl, Munich, DE;
Michael Wohlschlager, Unterpfaffenhofen, DE;
Assignee:
Consortium fur Elektrochemische Industrie GmbH, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A23L / ;
U.S. Cl.
CPC ...
427431 ; 432264 ; 106 3827 ; 428408 ; 266280 ; 427133 ; 65 26 ; 156D / ;
Abstract
A process for protecting carbon bodies against attack by molten silicon by applying a separating protective layer is provided which is characterized in that a separating layer is applied to the surface of the carbon body to be protected in such a manner as to wet it. The separating layer consists of alkaline earth metal fluorides in admixture with 0 to 90 mole % of alkaline earth metal silicates having a melting point lower than that of silicon.