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:
Jan. 05, 1999
Filed:
Feb. 13, 1997
Applicant:
Inventors:
Reinhard Feige, Bonn, DE;
Friedhelm Bramsiepe, Pocking, DE;
Assignee:
VAW silizium GmbH, Pocking, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C03C / ;
U.S. Cl.
CPC ...
501128 ; 501 33 ; 501119 ; 501127 ; 106-3 ; 51309 ;
Abstract
Spherical metal-oxide powder particles are used as finely ground raw and filler materials in mineral, ceramic and refractory construction, technical and auxiliary materials, as well as for polishing and grinding agents. There is a process for producing the powder particles, and there is a process for treating ceramic and refractory residual materials.