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:
Dec. 12, 2023
Filed:
Nov. 03, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Michio Endo, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/155 (2006.01); C03B 11/08 (2006.01);
U.S. Cl.
CPC ...
C03C 3/155 (2013.01); C03B 11/084 (2013.01); C03B 2215/24 (2013.01);
Abstract
Provided is an optical glass containing glass-forming cations, the optical glass satisfying, expressed in cation percent, 10 cat %≤B≤50 cat %, 15 cat %≤La≤35 cat %, 20 cat %≤Nb≤50 cat %, and 15 cat %≤Ti≤25 cat %.