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. 13, 2006
Filed:
Jul. 10, 2003
Applicants:
Michiko Ogino, Sagamihara, JP;
Yoshio Mori, Yokohama, JP;
Masahiro Onozawa, Sagamihara, JP;
Inventors:
Assignee:
Kabushiki Kaisha Ohara, Kanagawa-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/16 (2006.01); C03C 3/21 (2006.01); C03C 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical glass comprises, in mass percent, 15–35% of PO, 40–60% of NbO, 0.5% to less than 15% of NaO and 3% to less than 25% of BaO, has a ratio in mass % of (BaO+NbO)/{(TiO+WO)×3+BiO+NbO}>1.0; is free of Pb and As; and has a refractive index (nd) within a range from 1.78 to 1.90 and an Abbe number (νd) within a range from 18 to 27.
Ogino, Michiko. (2006). Optical glass (U.S. Patent No. 7060640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7060640
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile