Heterocyclic 1,2-difluorobenzene derivatives

Details Heterocyclic 1,2-difluorobenzene derivatives Heterocyclic 1,2-difluorobenzene derivatives

1989-05-15

1993-05-11

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

546339, 548136, C09K 1934, C09K 1912, C07D21170

Patent

active

052098664

ABSTRACT:
Heterocyclic 1,2-difluorobenzene derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2, in each case independently of one another, are an alkyl groups (sic) having 1-15 C atoms in which, in addition, one or more CH.sub.2 groups may be replaced by a divalent radical selected from the group comprising --O--, --S--, --CO--, --O--CO--, --CO--O--, --CH.dbd.CH-- and --C.tbd.C--, where two heteroatoms are not linked directly to one another,

REFERENCES:
patent: 4368135 (1983-01-01), Osman
patent: 4415470 (1983-11-01), Eidenschink et al.
patent: 4514317 (1985-04-01), Tuong et al.
patent: 4545922 (1985-10-01), Eidenschink et al.
patent: 4551264 (1985-11-01), Eidenschink et al.
patent: 4602851 (1986-07-01), Jenner et al.
patent: 4606845 (1986-08-01), Romer et al.
patent: 4637897 (1987-01-01), Kelly
patent: 4659502 (1987-04-01), Fearon et al.
patent: 4664840 (1987-05-01), Osman
patent: 4686289 (1987-08-01), Huynh-ba et al.
patent: 4707295 (1987-11-01), Pohl et al.
patent: 4710315 (1987-12-01), Schad et al.
patent: 4724097 (1988-02-01), Romer et al.
patent: 4776973 (1988-10-01), Bofinger et al.
patent: 4808333 (1989-02-01), Huyah-ba et al.
patent: 4820839 (1989-04-01), Krause et al.
patent: 4834904 (1989-05-01), Krause et al.
patent: 4846998 (1989-07-01), Pohl et al.
patent: 4874544 (1989-10-01), Yong et al.
patent: 4897216 (1990-01-01), Reiffenrath et al.
patent: 4925278 (1990-05-01), Buchecker et al.
patent: 4925590 (1990-05-01), Reiffenrath et al.
patent: 4961876 (1990-10-01), Demus et al.
patent: 5087764 (1992-02-01), Reiffenrath et al.

Affiliated with

Also associated with

Rating

Heterocyclic 1,2-difluorobenzene derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heterocyclic 1,2-difluorobenzene derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heterocyclic 1,2-difluorobenzene derivatives will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1348378