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:
Feb. 22, 2011
Filed:
Oct. 08, 2008
Akio Oogaki, Hyogo, JP;
Akio Oogaki, Hyogo, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
An optical glass includes, based on a total weight of the optical glass: 15 to 40 weight percent of PO; 0 to 10 weight percent of LiO; 0 to 20 weight percent of NaO; 0 to 20 weight percent of KO; more than 2 weight percent and not more than 15 weight percent of TiO; 0 to 15 weight percent of CaO; 0 to 32 weight percent of BaO; 0 to 20 weight percent of SrO; 0 to 15 weight percent of ZnO, not less than 0 weight percent and less than 3 weight percent of BiO; 0 to 50 weight percent of NbO; not less than 0 weight percent and less than 20 weight percent of WO; and 0 to 1 weight percent of SbO. A total weight of LiO, NaO and KO is in a predetermined range of weight percents and the optical glass does not comprise BO.