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:
Jan. 25, 1994
Filed:
Nov. 26, 1991
Applicant:
Inventors:
Franciscus W Altena, Roosendaal, NL;
Ingrid Rotte, Eindhoven, NL;
Johan G Kloosterboer, Eindhoven, NL;
Matthias H Van Rijswick, Eindhoven, NL;
Petrus W Kop, Roosendaal, NL;
Gerharda M Van Der Valk, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427510 ; 427508 ; 427 64 ; 427 66 ; 427 67 ; 427377 ; 4273897 ; 4274072 ;
Abstract
A method of coating the bulb wall of a low-pressure mercury vapour discharge lamp with a luminescent layer, whereby a monomer and an initiator are added to a suspension comprising at least a luminescent material and a binder before a layer of this suspension is provided, which monomer is polymerized after drying of the suspension layer in order to fix the luminescent material and the binder.