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. 20, 2004
Filed:
Jan. 31, 2002
Applicant:
Inventors:
Andries Ellens, SL Den Haag, NL;
Guenter Huber, Schrobenhausen, DE;
Assignee:
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, München, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 ;
U.S. Cl.
CPC ...
H01J 1/62 ;
Abstract
Fluorescent material from the class of the silicide nitrides, Sr being used as cation, and the suicide nitrides being doped with trivalent Ce.