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:
Nov. 09, 1982
Filed:
Sep. 18, 1980
Applicant:
Inventor:
Nobuhiro Nozawa, Sagamihara, JP;
Assignee:
Kabushika Kaisha Ohara Kogaku Garasu Seizosho, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 40 ; 501 44 ; 501 73 ;
Abstract
A fluoride glass basically containing ingredients of a P-Si-Al-alkaline-earth metals-alkali metals-F system within specific content ranges has extremely high anomalous partial dispersion and low dispersion properties and is stable without tendency to devitrification.