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:
Oct. 10, 1989
Filed:
May. 27, 1988
Applicant:
Inventors:
William C LaCourse, Alfred, NY (US);
Maysood Akhtar, Wellsville, NY (US);
Assignee:
Alfred University, Alfred, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
65 3014 ;
Abstract
There is disclosed a process for strengthening a glass article. This process comprises the steps of: 1. providing a glass article comprised of from about 1 to about 30 weight percent of at least one compound of a first monovalent exchangable cation, 2. coating the surface of said glass article with a source of a second exchangable cation which has an atomic radius larger than that of the first exchangable cation, and thereafter 3. subjecting said coated glass article to a source of microwave radiation at a frequency of from about 0.9 to about 22.1 Gigaherz.