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:
Apr. 03, 2012
Filed:
Mar. 17, 2008
Applicants:
Ragnar Tronstad, Sogne, NO;
Erik Enebakk, Kristiansand, NO;
Inventors:
Ragnar Tronstad, Sogne, NO;
Erik Enebakk, Kristiansand, NO;
Assignee:
Elkem Solar AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 7/00 (2006.01); B29C 33/56 (2006.01); B29C 33/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coating system for a mould for the directional solidification of silicon. The coating is applied as an aqueous slurry of silicon nitride particle, carbon black and microsilica.