Patent EP0159872A2 successfully refreshed from Google Patents.
EP0159872A2
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Smectic liquid crystal compound and liquid crystal compositions
Assignee: Ajinomoto Co Inc
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Filing: 1985-04-12
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Granted: —
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Expires: 2005-04-12
Abstract
Abstract A liquid crystal compound of the formula: wherein R 1 is an alkyl group, X is chloro or bromo, and R 2 is a branched-alkyl group; and the carbon atom marked with an * I is an asymmetric carbon atom.
Inventors
- 👤 Ryoichi Higuchi
- 👤 Masao Honma
- 👤 Takao Sakurai
- 👤 Naoko Mikami
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 10:07
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/12; C09K19/126; C09K19/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
37 words
A liquid crystal compound of the formula: wherein R 1 is an alkyl group, X is halogen, and R 2 is a branched-alkyl group; and the carbon atom marked with an * is an asymmetric carbon atom.
Claim 2
Dependent Claim
37 words
A liquid crystal compound of the formula: wherein R 1 is an alkyl group, X is halogen, and R 2 is a branched-alkyl group; and the carbon atom marked with an * is an asymmetric carbon atom.
Claim 3
Dependent Claim
20 words
The smectie liquid compound of Claim 1, wherein the alkyl group of R 1 contains 20 or less carbon atoms.
Claim 4
Dependent Claim
19 words
The smectic liquid compound of Claim 1, wherein said X substituent is halogens and group R 2 is 1-methylpropyl.
Claim 5
Dependent Claim
19 words
The smectic liquid compound of Claim 1, wherein said X substituent is halogen and group R 2 is 2-methylpropyl.
Claim 6
Dependent Claim
19 words
The smectic liquid compound of Claim 1, wherein said X substituent is halogen and group R 2 is isopropyl.
Claim 7
Dependent Claim
19 words
The smectic liquid compound of Claim 1, wherein said X substituent is halogen and group R 2 is benzyl.
Claim 8
Dependent Claim
19 words
A liquid crystal composition containing a smectic liquid crystal compound as claimed in any of claims 1 to 6.
References Cited (Backward Citations)
No citation records indexed.
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