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:
Aug. 18, 1987
Filed:
Mar. 06, 1986
Applicant:
Inventors:
Pernette R Barlier, Vulaines sur Seine, FR;
Jean-Pierre Mazeau, Samoreau, FR;
Assignee:
Corning Glass Works, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
501 32 ; 501 57 ; 501 59 ;
Abstract
This invention relates to the production of opal glasses having a creamy-white tint which are suitable for forming culinary articles. The opacity is obtained through precipitation of fluorides, preferably NaF. The creamy-white tint results from the association of Fe.sub.2 O.sub.3 with TiO.sub.2 and/or As.sub.2 O.sub.3 and/or CeO.sub.2, with the addition of nitrates. The preferred composition of the final glass consists essentially, in weight percent, of: