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:
Nov. 09, 2004
Filed:
Jul. 15, 2003
Applicant:
Inventors:
Hiroyuki Kosokabe, Yamagata, JP;
Koichi Hashimoto, Kusatsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 8/02 ;
U.S. Cl.
CPC ...
C03C 8/02 ;
Abstract
A tungsten sealing glass for use in a fluorescent lamp, said glass having a composition of, by mass percent, 65-76% SiO , 10-25% B O , 2-6% Al O , 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li O+Na O+K O, 0.01-4% Fe O +CeO , 0.1-5% TiO , 0.1-10% TiO +Sb O +PbO, and 0-2% ZrO , wherein Na O/(Na O+K O)≦0.6.
Kosokabe, Hiroyuki. (2004). Tungsten sealing glass for use in a fluorescent lamp (U.S. Patent No. 6815385). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6815385
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile