Dubal; Hans-Rolf

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dubal; Hans-Rolf.The latest application filed is for "liquid crystal mixture".

Company Profile

0.15.5

Dubal; Hans-Rolf - Eltville DE
Dubal; Hans-Rolf - 65343 Eltville DE
Dubal; Hans-Rolf - Konigstein DE
Dubal; Hans-Rolf - Konigstein/Taunus DE
Dubal; Hans-Rolf - Hofheim am Taunus DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Liquid crystal mixture Grant 9,388,338 - Li , et al. July 12, 2	2016-07-12
Smectic liquid crystal high-contrast control or display device Grant 7,019,811 - Dubal , et al. March 28, 2	2006-03-28
Liquid crystal mixture App 20060011886 - Li; Ji ; et al.	2006-01-19
Liquid crystal mixture Grant 6,958,176 - Li , et al. October 25, 2	2005-10-25
Active matrix liquid crystal device and smectic liquid crystal mixture Grant 6,824,707 - Amakawa , et al. November 30, 2	2004-11-30
Fluorinated (dihydro)phenanthrene derivatives, and their use in liquid-crystalline media Grant 6,793,984 - Bremer , et al. September 21, 2	2004-09-21
Ferroelectric active matrix displays with wide operating temperature range Grant 6,746,731 - Nonaka , et al. June 8, 2	2004-06-08
Liquid crystal mixture App 20040085490 - Li, Ji ; et al.	2004-05-06
Monostable ferroelectric active-matrix display Grant 6,704,086 - Dubal , et al. March 9, 2	2004-03-09
Fluorinated (dihydro)phenanthrene derivatives, and their use in liquid-crystalline media App 20030227000 - Bremer, Matthias ; et al.	2003-12-11
Monostable ferroelectric active matrix display Grant 6,661,494 - Dubal , et al. December 9, 2	2003-12-09
Active matrix liquid crystal device and smectic liquid crystal mixture App 20030127627 - Amakawa, Haruki ; et al.	2003-07-10
Active matrix displays having high contrast values Grant 6,482,479 - Dubal , et al. November 19, 2	2002-11-19
Disubstituted phenanthrenes and their use in liquid-crystal mixtures App 20010023935 - Dubal, Hans-Rolf ; et al.	2001-09-27
Ferroelectric liquid-crystalline mixtures Grant 5,378,394 - Dubal , et al. January 3, 1	1995-01-03
Ferroelectric liquid crystal display having gray steps or a continuous gray scale Grant 5,257,122 - Dubal , et al. October 26, 1	1993-10-26
Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements Grant 5,118,538 - Escher , et al. June 2, 1	1992-06-02
Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures Grant 5,071,589 - Dubal , et al. December 10, 1	1991-12-10
Chiral aryloxypropionates, and the use thereof as dopes in liquid-crystal phases Grant 4,985,172 - Wingen , et al. January 15, 1	1991-01-15

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