WILLY P SCHREURS
Engineering in Danvers, MA
License number
Massachusetts 25351
Expiration Date
Jun 30, 1984
Type
Chemical Engineer
Address
Address
Danvers, MA 01923
Personal information
See more information about WILLY P SCHREURS at radaris.comName
Address
Phone
47 Massachusetts Ave, Danvers, MA 01923
47 Makushin Ln, Danvers, MA 01923
47 Massachusetts Ave, Danvers, MA 01923
Professional information
See more information about WILLY P SCHREURS at trustoria.com
Method Of Providing A Universal Coating For Fluorescent Lamps
Method Of Providing A Universal Coating For Fluorescent Lamps
US Patent:
4340512, Jul 20, 1982
Filed:
Oct 1, 1979
Appl. No.:
6/080853
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
North American Philips Corporation - New York NY
International Classification:
C08L 108
US Classification:
523122
Abstract:
A method of preparing phosphor suspensions for coating fluorescent lamps wherein the temporary organic binder is an association compound of purified carboxy methyl cellulose and polyethylene oxide in such proportions as to avoid the gelation caused by ionizable phosphors releasing multivalent cations.
Method Of Making Fluorescent Lamp
Method Of Making Fluorescent Lamp
US Patent:
4148935, Apr 10, 1979
Filed:
Nov 30, 1977
Appl. No.:
5/855829
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
B05D 136, B05D 506, B05D 722
US Classification:
427 67
Abstract:
A coating is deposited on the inner wall of a fluorescent lamp bulb from a suspension of particulate matter in a liquid vehicle of polyoxyethylene, hydroxyethylmethyl cellulose and an insolubilizing agent dissolved in water. After drying and low temperature heating to insolubilize the coating, another coating is deposited thereover from a similar aqueous vehicle.
Method Of Improving The Output And Maintenance Of A Fluorescent Lamp
Method Of Improving The Output And Maintenance Of A Fluorescent Lamp
US Patent:
4147816, Apr 3, 1979
Filed:
Apr 7, 1977
Appl. No.:
5/785463
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
B05D 506, B05D 722, H01J 6135
US Classification:
427 67
Abstract:
In the manufacture of a fluorescent lamp having lead activated barium mesosilicate phosphor coated on the inner wall of the lamp envelope, ammonium chloride or other heat decomposable chlorides are added to the phosphor coating suspension in order to improve the initial output and the maintenance of the lamp.
Fluorescent Lamp Having Zero Back Brightness
Fluorescent Lamp Having Zero Back Brightness
US Patent:
4061946, Dec 6, 1977
Filed:
Oct 6, 1975
Appl. No.:
5/619721
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
H01J 162
US Classification:
313488
Abstract:
In a directional fluorescent lamp having a reflector layer between the phosphor and the glass envelope wall, there is a dark, nonreflecting, light-absorbing layer between the reflector layer and the glass to prevent light escaping from the back of the lamp.
Ultraviolet Emitting Fluorescent Lamp Having Internal Reflector Film
Ultraviolet Emitting Fluorescent Lamp Having Internal Reflector Film
US Patent:
3987331, Oct 19, 1976
Filed:
Mar 24, 1975
Appl. No.:
5/561407
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
H01J 6135, H01J 6144
US Classification:
313486
Abstract:
An ultraviolet emitting fluorescent lamp contains an internal reflector film to increase the forward flux of the lamp. The reflector film comprises a layer of zirconia on the inside glass wall of the lamp envelope.
Reflector Coating Composition For Fluorescent Lamps
Reflector Coating Composition For Fluorescent Lamps
US Patent:
4308186, Dec 29, 1981
Filed:
Jul 7, 1980
Appl. No.:
6/166518
Inventors:
Willy P. Schreurs - Danvers MA
Liviu Magian - Manchester MA
Liviu Magian - Manchester MA
Assignee:
North American Philips Corporation - New York NY
International Classification:
C08L 7102
US Classification:
260 292EP
Abstract:
An essentially water-base coating to form reflective films on the inner wall of fluorescent lamps is prepared from a dispersion of TiO. sub. 2 in a vehicle comprising a water solution of an organic binder, a volatile organic non-solvent of the binder at room temperature and additions of cationic and nonionic surfactants.
Fluorescent Lamp With A Low Reflectivity Protective Film Of Aluminum Oxide
Fluorescent Lamp With A Low Reflectivity Protective Film Of Aluminum Oxide
US Patent:
4289991, Sep 15, 1981
Filed:
Sep 6, 1977
Appl. No.:
5/830702
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Products Corporation - Stamford CT
International Classification:
H01J 6135, H01J 6142
US Classification:
313489
Abstract:
The light output and lumen maintenance of fluorescent lamps with or without a conductive film, are improved by coating the glass envelope or the conductive glass envelope with a thin transparent film of Al. sub. 2 O. sub. 3.
The alumina film is obtained from a coating of a binderless suspension of submicron size Al. sub. 2 O. sub. 3 particles in lightly acidified water and has a thickness of 20 to 80 nanometers.
Method Of Making Fluorescent Lamp
Method Of Making Fluorescent Lamp
US Patent:
4058639, Nov 15, 1977
Filed:
Dec 9, 1975
Appl. No.:
5/639029
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
B05D 136, B05D 506, B05D 722
US Classification:
427 67
Abstract:
A film of colloidal alumina is deposited on a fluorescent lamp envelope from a suspension containing nitrocellulose resin. After the film has dried, a phoshor coating is deposited thereon without the need of baking the film.
Special Purpose Fluorescent Lamp
Special Purpose Fluorescent Lamp
US Patent:
4055781, Oct 25, 1977
Filed:
Sep 9, 1974
Appl. No.:
5/504412
Inventors:
Willy P. Schreurs - Danvers MA
Assignee:
GTE Sylvania Incorporated - Danvers MA
International Classification:
H01J 163
US Classification:
313487
Abstract:
A fluorescent lamp which enhances the colors blue and red while maintaining an acceptable overall color rendition contains a four component phosphor blend comprising three broad band emitting phosphors and a narror band emitting phosphor which peaks in the deep red region of the visible spectrum.
Method Of Coating Arc Discharge Lamp Electrode
Method Of Coating Arc Discharge Lamp Electrode
US Patent:
4251569, Feb 17, 1981
Filed:
Oct 22, 1975
Appl. No.:
5/624627
Inventors:
Eric L. Mager - Beverly MA
Willy P. Schreurs - Danvers MA
Willy P. Schreurs - Danvers MA
Assignee:
GTE Products Corporation - Stamford CT
International Classification:
H01J 902, H01J 114, H05B 3100, H05B 3114
US Classification:
427 58
Abstract:
An arc discharge lamp electrode is coated by applying thereto a suspension of alkaline earth compounds in a liquid vehicle of lignosulfonic acid, ammonia and ethylene glycol.