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. 13, 2004
Filed:
Sep. 26, 2001
Applicant:
Inventors:
Madis Raukas, Boston, MA (US);
Kailash C. Mishra, N. Chelmsford, MA (US);
Thomas H. Reilly III, East Sandwich, MA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 ;
U.S. Cl.
CPC ...
B32B 5/16 ;
Abstract
A protective coating for aluminate phosphors is described. The protective coating comprises at least a partial spinel coating having the general formula Mg Al O , where 0≦x<1 and 0≦y<1. The coating is applied by an aqueous solution method which may be compatible with conventional fluorescent lamp manufacturing techniques.