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:
Jan. 23, 2001
Filed:
Apr. 09, 1999
Applicant:
Inventors:
Thomas G. Havens, Painted Post, NY (US);
David J. Kerko, Corning, NY (US);
Brent M. Wedding, Corning, NY (US);
Assignee:
Corning S.A., Avon Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 4/06 ;
U.S. Cl.
CPC ...
C03C 4/06 ;
Abstract
A fixed tint, photochromic glasses and sunglass lenses produced therefrom. The glasses have R,O—Al,O,—B,O,—SiO,base compositions, contain silver chloride and bromide contents as photochromic constituents and 0.27-0.38% and 0.035-0.060%, both by weight percent, as glass colorants, the NiO:Co,O,ratio being at least 6:1.
Quick Actions:
Havens, Thomas. (2001). Photochromic glass and lens (U.S. Patent No. 6177371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6177371
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile