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Wolfgang Haase
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Reinheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Chiral compounds, cholesteric and ferroelectric liquid crystal comp...
Patent number
8,883,037
Issue date
Nov 11, 2014
Tetragon LC Chemie AG
Wolfgang Haase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Electro-optical light modulator
Patent number
6,914,647
Issue date
Jul 5, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Device and method for the temperature-independent operation of elec...
Patent number
6,900,874
Issue date
May 31, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Liquid crystalline materials for optical phase modulation
Patent number
6,649,087
Issue date
Nov 18, 2003
Deutsche Telekom AG
Wolfgang Dultz
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for applying a light-blocking layer between a photoconducti...
Patent number
6,338,882
Issue date
Jan 15, 2002
Deutsche Telekom AG
Wolfgang Dultz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Arrangement and method for electrically controlling the intensity o...
Patent number
6,331,910
Issue date
Dec 18, 2001
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Electro-optical material having a lamellar liquid crystal structure
Patent number
6,181,407
Issue date
Jan 30, 2001
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Ferroelectric liquid crystal device for local reduction of light in...
Patent number
6,031,588
Issue date
Feb 29, 2000
Deutsche Telekom AG
Wolfgang Dultz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of preparing a pyroelectric mixture and pyroelectric device
Patent number
5,833,833
Issue date
Nov 10, 1998
Deutsche Telekom AG
Wolfgang Dultz
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CHIRAL COMPOUNDS, CHOLESTERIC AND FERROELECTRIC LIQUID CRYSTAL COMP...
Publication number
20130228720
Publication date
Sep 5, 2013
Tetragon LC Chemie AG
Wolfgang Haase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method for producing a layer which influences the orientation of a...
Publication number
20030129328
Publication date
Jul 10, 2003
Wolfgang Dultz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Liquid crystal cell system and method for improving a liquid crysta...
Publication number
20030030759
Publication date
Feb 13, 2003
Akio Yasuda
G02 - OPTICS