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:
Aug. 30, 2011
Filed:
Jul. 28, 2009
Yoshihito Taguchi, Amagasaki, JP;
Yoshihito Taguchi, Amagasaki, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
An optical glass includes, based on the total weight of the optical glass: not less than 35 weight percent and less than 45 weight percent of PO; not less than 0.5 weight percent and less than 10 weight percent of BO; 0 to 16 weight percent of AlO; 0 to 2.5 weight percent of SiO; 0 to 26 weight percent of BaO; 0 to 20 weight percent of SrO; 23 to 49 weight percent of ZnO; more than 6 weight percent and not more than 20 weight percent of CaO; 0 to 16 weight percent of MgO; not less than 0 weight percent and less than 1 weight percent of LiO; 3 to 19 weight percent of NaO; and 0 to 20 weight percent of KO, where the total weight of BaO, SrO, ZnO, CaO, and MgO and the total weight of LiO, NaO and KO are predetermined amounts.