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. 10, 2025
Filed:
Sep. 28, 2021
Applicant:
Corning Incorporated, Corning, NY (US);
Inventor:
Yves Andre Henri Brocheton, Samoreau, FR;
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/093 (2006.01); C03C 3/068 (2006.01); C03C 3/091 (2006.01); C03C 3/095 (2006.01);
U.S. Cl.
CPC ...
C03C 3/093 (2013.01); C03C 3/068 (2013.01); C03C 3/091 (2013.01); C03C 3/095 (2013.01);
Abstract
Disclosed herein are lead free glass compositions having, in some embodiments, SiOfrom 25 wt % to 60 wt %, AlOfrom 0 wt % to 20 wt %, BOfrom 0 wt % to 35 wt %, ZrOfrom 0 wt % to 5 wt %, LiO from 5 wt % to 17 wt %, NaO from 3 wt % to 10 wt %, KO from 1 wt % to 10 wt %, RO from 0 wt % to 20 wt %, wherein RO is an alkaline earth oxide, ZnO from 0 wt % to 15 wt %, and 0 wt % lead.