Polymerizable compound and polymerizable composition

Details Polymerizable compound and polymerizable composition Polymerizable compound and polymerizable composition

2007-10-09

2011-11-29

Visconti, Geraldina (Department: 1722)

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

C252S299010, C252S299610, C252S299620, C252S299630, C252S299640, C252S299650, C252S299660, C252S299670, C430S020000, C428S001100, C560S010000

Reexamination Certificate

active

08066906

ABSTRACT:
A polymerizable compound represented by general formula (1):wherein A represents a ring assembly composed of at least two 6-membered rings each optionally having a substituent; X1and X2each represent a (meth)acryloyloxy group; and Y1and Y2each independently represent a single bond, an optionally branched alkylene group having 1 to 8 carbon atoms, an ether linkage, —COO—, —OCO—, a 6-membered ring optionally having a substituent, a naphthalene ring optionally having a substituent, or a combination thereof; the substituent being a hydrogen atom, a halogen atom, a nitrile group, an optionally branched alkyl group having 1 to 8 carbon atoms, an optionally branched alkoxy group having 1 to 8 carbon atoms, or an optionally branched alkenyl group having 2 to 8 carbon atoms, wherein the alkyl, alkoxy, or alkenyl group may have its —CH2— moiety replaced with a sulfur atom or an oxygen atom and may have its hydrogen atom replaced with a halogen atom or a nitrite group.

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