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:
Jul. 11, 2006
Filed:
Oct. 15, 2004
Ina Mitra, Stadecken-Elsheim, DE;
Danuta Grabowski, Taunusstein-Wingsbach, DE;
Uwe Kolberg, Mainz-Kastel, DE;
Paul Kissl, Mainz, DE;
Ina Mitra, Stadecken-Elsheim, DE;
Danuta Grabowski, Taunusstein-Wingsbach, DE;
Uwe Kolberg, Mainz-Kastel, DE;
Paul Kissl, Mainz, DE;
Schott Glas, Mainz, DE;
Abstract
Zinc-containing optical glass materials with a refractive index nbetween 1.52 and 1.66, an Abbe number νof between 35 and 54 and a composition (in % by weight based on oxide) of: SiO38–58, ZnO 0.3–42, PbO 0–<30, ZnO+PbO 20–55, LiO 0–<3, NaO 0–14, KO 0–12, LiO+NaO+KO ≧2, F 0–3, MgO 0–6, CaO 0–<5, SrO 0–6, BaO 0–<0.9, BO0–<1, AlO0–<1.5 and ZrO0–<2 and, if appropriate, refining agents in the customary amounts.