Diamino compound and its intermediates

Details Diamino compound and its intermediates Diamino compound and its intermediates

1990-12-21

1991-10-01

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

528125, 528126, 528128, 568717, 568931, C07C21714

Patent

active

050535447

ABSTRACT:
A novel diamino compound and a dinitro compound and a diol compound as its derivatives are provided,
which diamino compound is useful as a raw material for polyimide compounds for an aligning film in a liquid crystal display element exhibiting a high pretilt angle, and expressed by the formula ##STR1## wherein R.sub.1 to R.sub.6 each are H or 1-22C alkyl and may be the same as or different from one another, and R.sub.7 to R.sub.14 each are H or 1-3C alkyl and may be the same as or different from one another.

REFERENCES:
patent: 3247199 (1966-02-01), Marxer
patent: 3705870 (1972-12-01), Darmory et al.
patent: 3817921 (1974-06-01), Brode et al.
patent: 4239880 (1980-12-01), Darms
patent: 4864008 (1989-09-01), Murata et al.
Korshak et al, "Cardo Polymer", Reviews in Macromolecular Chemistry, 12, 1974/1975 pp. 100-129.

Affiliated with

Also associated with

Rating

Diamino compound and its intermediates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Diamino compound and its intermediates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diamino compound and its intermediates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1756128