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:
Apr. 14, 2009
Filed:
Mar. 26, 2003
Joerg Fechner, Mainz, DE;
Franz Ott, Mitterteich, DE;
Rainer Haspel, Monsheim, DE;
Ralf Diezel, Mitterteich, DE;
Joerg Fechner, Mainz, DE;
Franz Ott, Mitterteich, DE;
Rainer Haspel, Monsheim, DE;
Ralf Diezel, Mitterteich, DE;
Schott AG, Mainz, DE;
Abstract
The invention relates to a borosilicate glass having the following composition (in wt. % based on oxide content): between 55 and 80 of SiO; between 8 and 25 of BO; between 0.5 and 10 of AlO; between 1 and 16 of LiO+NaO+KO; between 0 and 6 of MgO+CaO+SrO+BaO; between 0 and 3 of ZnO; between 0 and 5 of ZrO; between 0 and 5 of BiO; and between 0 and 3 of MoO; the sum of the BiOand MoOamounting to between 0.01 and 5. The invention also relates to a fluorescent lamp, especially a miniature fluorescent lamp.