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Dirk J. Broer
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Molecularly oriented synthetic resin composition
Patent number
5,676,879
Issue date
Oct 14, 1997
U.S. Philips Corporation
Ingrid E. J. R. Heynderickx
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid-crystal display device having rotationally symmetrical iso-c...
Patent number
5,221,978
Issue date
Jun 22, 1993
U.S. Philips Corporation
Ingrid E. J. R. Heynderickx
G02 - OPTICS
Information
Patent Grant
Liquid-crystal display device
Patent number
5,210,630
Issue date
May 11, 1993
U.S. Philips Corporation
Ingrid E. J. R. Heynderickx
G02 - OPTICS
Information
Patent Grant
Liquid crystalline material and display cell containing said material
Patent number
5,188,760
Issue date
Feb 23, 1993
U.S. Philips Corporation
Rifat A. M. Hikmet
G02 - OPTICS
Information
Patent Grant
Method of providing a liquid crystalline auxiliary layer in a displ...
Patent number
5,155,610
Issue date
Oct 13, 1992
U.S. Philips Corporation
Rifat A. M. Hikmet
G02 - OPTICS
Information
Patent Grant
Method of manufacturing a separation column
Patent number
5,145,579
Issue date
Sep 8, 1992
U.S. Philips Corporation
Shuji Eguchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Glass chromatography capillary with relatively thick coating
Patent number
5,082,559
Issue date
Jan 21, 1992
U.S. Philips Corporation
Shuji Eguchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL