EP0174816A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Biphenyl-based diester compounds and liquid crystal compositions containing same
Assignee: Ajinomoto Co Inc
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Filing: 1985-09-06
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Granted: —
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Expires: 2005-09-06
Abstract
Abstract A liquid crystal compound of the formula: wherein R 1 and R 2 represent C 1-18 alkyl group, alkyl halide group or aralkyl halide, R 1 may be the same as or different from R 2 , X is selected from -COOCH 2 - or -OCO-.
Inventors
- 👤 Ryoichi Higuchi
- 👤 Takao Sakurai
- 👤 Naoko Mikami
- 👤 Kiriko Akaiwa
- 👤 Koji Takeuchi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 19:24
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/12; C09K19/126; C09K19/20; C09K19/2007; C09K19/2021
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
50 words
A liquid crystal compound having the general formula (1) wherein R 1 and R 2 are each a C 1-18 alkyl group, alkyl halide group or aralkyl halide group, whereirn R 1 is the same as or different from R 2 , and wherein X is -COGCH 2 -or -OCO-.
Claim 2
Dependent Claim
50 words
A liquid crystal compound having the general formula (1) wherein R 1 and R 2 are each a C 1-18 alkyl group, alkyl halide group or aralkyl halide group, whereirn R 1 is the same as or different from R 2 , and wherein X is -COGCH 2 -or -OCO-.
Claim 3
Dependent Claim
36 words
A compound according to claim 1, wherein R 2 is -CH(C1)R 3 wherein R 3 is a C 1-16 alkyl or aralkyl group, the carbon atom marked by ( * ) being an asymmetric carbon atom.
Claim 4
Dependent Claim
28 words
A compound according to claim 1, wherein R 2 is -CH(Cl)CH(CH 3 ) 2 , the carbon atom marked by ( * ) being an asymmetric carbon atom.
Claim 5
Dependent Claim
29 words
A compound according to claim 1, wherein R 2 is -CH(Cl)H(CH 3 )C 2 H 5 , the carbon atoms marked by ( * ) being asymmetric carbon atoms.
Claim 6
Dependent Claim
29 words
A compound according to claim 1, wherein R 2 is -CH(Cl)CH 2 CH(CH 3 ) 2 , the carbon atom marked by ( * ) being an asymmetriccarbon atom.
Claim 7
Dependent Claim
30 words
A compound according to claim 1, wherein R 2 is -CH(CH 3 )C 2 H 5 , the carbon atom marked by ( * ) being an asymmetric carbon atom.
Claim 8
Dependent Claim
31 words
A compound according to claim 1, wherein R 2 is -CH 2 CH(CH 3 )C 2 H 5 , thecarbon atom marked by ( * ) being an asymmetric carbon atom.
Claim 9
Dependent Claim
18 words
A liquid crystal composition containing a smectic liquid crystal compound according to any of claims 1 to 7.
References Cited (Backward Citations)
No citation records indexed.
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