Cyclobutane and spiro[3.3]heptane compounds

Details Cyclobutane and spiro[3.3]heptane compounds Cyclobutane and spiro[3.3]heptane compounds

2006-08-16

2010-06-29

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299620, C252S299630, C568S647000, C570S128000, C570S129000, C570S187000, C570S188000

Reexamination Certificate

active

07744968

ABSTRACT:
The present invention relates to cyclobutane and spiro[3.3]heptane compounds, to a process for the preparation thereof, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements which contain these liquid-crystalline media.

REFERENCES:
patent: 5384072 (1995-01-01), Poetsch et al.
patent: 5445764 (1995-08-01), Poetsch et al.
patent: 5545747 (1996-08-01), Kawaguchi
patent: 7270856 (2007-09-01), Taugerbeck et al.
patent: 2004/0242905 (2004-12-01), Poetsch et al.
patent: 2006/0022168 (2006-02-01), Taugerbeck
patent: 38 07 872 (1989-09-01), None
patent: 42 19 283 (1993-12-01), None
patent: 42 35 974 (1994-04-01), None
patent: 42 35 975 (1994-04-01), None
patent: 42 39 169 (1994-05-01), None
patent: 198 57 506 (2000-06-01), None
patent: 103 38 111 (2004-03-01), None
patent: 1 482 018 (2004-12-01), None
patent: 2 155 946 (1985-10-01), None
patent: WO 88/09322 (1988-12-01), None
patent: WO 92/16483 (1992-10-01), None
patent: WO 2004/050594 (2004-03-01), None
patent: WO 2004/050796 (2004-06-01), None
Chan L K M et al: “Synthesis and Liquid Crystal Properties of Dimethylene Linked Compounds Incorporating the Cyclobutane or Spiro 3.3 Heptane Rings” Molecular Crystals and Liquid Crystals (Inc. Nonlinear Optics ), Gordon and Breach Science Publishers, Reading, GB, BD. 168, (Mar. 1, 1989), XP000102961.

Affiliated with

Also associated with

Rating

Cyclobutane and spiro[3.3]heptane compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cyclobutane and spiro[3.3]heptane compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cyclobutane and spiro[3.3]heptane compounds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4246267