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Wolfram Czarnojan
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Aachen, DE
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Patents Grants
last 30 patents
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Patent Grant
Phosphor composition comprising an amide group-containing or uretha...
Patent number
6,417,611
Issue date
Jul 9, 2002
Koninlijke Philips Electronics, N.V.
Friederike Picht
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Display screen comprising a metal oxide-containing phosphor composi...
Patent number
6,290,874
Issue date
Sep 18, 2001
U.S. Philips Corporation
Friederike Picht
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aluminate phosphor with a polyphosphate coating
Patent number
5,998,047
Issue date
Dec 7, 1999
U.S. Philips Corporation
Helmut Bechtel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Luminescent screen containing phosphor particles coated with MoO.sub.3
Patent number
5,879,795
Issue date
Mar 9, 1999
U.S. Philips Corporation
Markus Haase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Color display device having short decay phosphors
Patent number
5,760,542
Issue date
Jun 2, 1998
U.S. Philips Corporation
Helmut Bechtel
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Luminescent phosphor screen containing catena-polyphosphate
Patent number
5,739,632
Issue date
Apr 14, 1998
U.S. Philips Corporation
Markus Haase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Luminescent screen
Patent number
5,684,358
Issue date
Nov 4, 1997
U.S. Philips Corporation
Markus Haase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of manufacturing a display tube
Patent number
5,360,361
Issue date
Nov 1, 1994
U.S. Philips Corporation
Helmut Bechtel
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Green emitting phosphor and cathode-ray tube provided with such a p...
Patent number
4,559,469
Issue date
Dec 17, 1985
U.S. Philips Corporation
Thomas Welker
H01 - BASIC ELECTRIC ELEMENTS