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:
Jun. 01, 1993
Filed:
Nov. 01, 1990
Applicant:
Inventors:
William C LaCourse, Alfred, NY (US);
Steve T Lin, Fort Wayne, IN (US);
Thirukumar Vethanyagam, Corning, NY (US);
Assignee:
Alfred University, Alfred, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B / ; C03C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
65-2 ; 65 301 ; 501 35 ; 501 45 ; 428228 ; 428241 ; 623 11 ; 623 16 ; 264 65 ;
Abstract
A process for preparing an improved durable glass composition is described. In the first step of the process, a glass batch containing from 40 to 80 mole percent of phosphorous and from 3 to 40 mole percent of iron is provided. In the second step of the process, the glass batch is melted under an enriched oxygen atmosphere.