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, 1991
Filed:
Oct. 26, 1990
Applicant:
Inventors:
W Duane Amundson, Jr, Caton, NY (US);
Jaroslava M Nigrin, Corning, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
501-3 ; 501 71 ;
Abstract
A color package is disclosed that provides a light beige tint in potassium fluorrichterite glass-ceramic materials containing a cristobalite secondary crystal phase. The package includes Fe.sub.2 O.sub.3, NiO, Se and, optionally, cobalt oxide within limited ranges.