Patents by Inventor Matthias H. J. Van Rijswick

Matthias H. J. Van Rijswick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Method for coating the bulb wall of a low-pressure mercury vapor discharge lamp with a luminescent layer and low-pressure mercury vapor discharge lamp provided with such a luminescent layer

Patent number: 5281448

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.

Type: Grant

Filed: November 26, 1991

Date of Patent: January 25, 1994

Assignee: U.S. Philips Corporation

Inventors: Franciscus W. Altena, Ingrid Rotte, Johan G. Kloosterboer, Matthias H. J. Van Rijswick, Petrus W. V. Kop, Gerharda M. Van Der Valk

Method for coating the bulb wall of a low-pressure mercury vapor discharge lamp with a luminescent layer and low-pressure mercury vapor discharge lamp provided with such a luminescent layer