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:
Oct. 07, 1980
Filed:
Jun. 13, 1979
Applicant:
Inventors:
Satoshi Inoue, Sagamihara, JP;
Fujio Komorita, Hachioji, JP;
Assignee:
Kabushiki Kaisha Ohara Kogaku Garasu Seizosho, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
106 / ; 106 54 ;
Abstract
An optical glass of a B.sub.2 O.sub.3 --SiO.sub.2 --La.sub.2 O.sub.3 --Yb.sub.2 O.sub.3 system and additionally containing SnO.sub.2 is stable in spectral transmissivity, is scarcely liable to tinting and has high refractive and low dispersive characteristics.