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:
Sep. 16, 1980
Filed:
Aug. 16, 1979
Applicant:
Inventors:
David L Morse, Corning, NY (US);
Thomas P Seward, III, Corning, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
106 / ; 106 54 ; 106D / ;
Abstract
Silver-free, cadmium-free, copper halide-based alkali aluminoborosilicate glasses exhibiting good optical clarity and good photochromic darkening and fading are provided by controlling the alkali, Al.sub.2 O.sub.3 and B.sub.2 O.sub.3 concentrations in the base glass and/or adding MoO.sub.3 or WO.sub.3 thereto.
Quick Actions:
Morse, David. (1980). Optically clear copper halide photochromic glass articles (U.S. Patent No. 4222781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4222781
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile