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:
Mar. 02, 2010
Filed:
Oct. 25, 2006
Simone Monika Ritter, Mainz, DE;
Ute Woelfel, Mainz-Laubenheim, DE;
Bianca Schreder, Frankfurt, DE;
Stefanie Hansen, Gensingen, DE;
Simone Monika Ritter, Mainz, DE;
Ute Woelfel, Mainz-Laubenheim, DE;
Bianca Schreder, Frankfurt, DE;
Stefanie Hansen, Gensingen, DE;
Schott AG, Mainz, DE;
Abstract
Lead and arsenic free, and preferably gadolinium and further preferably also fluorine free, optical glasses for the application fields mapping, projection, telecommunication, optical communication engineering, mobile drive, laser technology and/or micro lens arrays have a refractive index of 1.91≦n≦2.05, an Abbe number of 19≦ν≦25 and have a low transformation temperature, namely of less than or equal to 470° C. and preferably of less than or equal to 450° C., as well as good producability and processability and crystallization stability.