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:
Mar. 02, 2004
Filed:
Mar. 01, 2002
Applicant:
Inventors:
Fritz Schwertfeger, Mühldorf, DE;
Johann Weis, Sauerlach, DE;
Peter Ritter, Durach, DE;
Achim Molter, Dietmannsried, DE;
Wolfgang Schweren, Kempten, DE;
Volker Frey, Burghausen, DE;
Hans-Peter Scherm, Emmerting, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 8/16 ; C03C 3/06 ; C01B 3/312 ; C03B 3/7016 ;
U.S. Cl.
CPC ...
C03C 8/16 ; C03C 3/06 ; C01B 3/312 ; C03B 3/7016 ;
Abstract
Extremely high solids content silica dispersions are useful for forming green bodies of near net shape as compared to the shape of the bodies after sintering. The green bodies are particularly useful for sintering to form low impurity-containing crucibles for single crystal silicon production.