US4686305A
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4'-substituted-phenyl α-methyl-β-(4-substituted-phenyl) propionates
Assignee: JNC Corp
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Filing: 1985-03-07
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Granted: 1987-08-11
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Expires: 2005-03-07
Abstract
Abstract A novel compound useful as a component of liquid crystal compositions, for lowering their melting point without lowering so much the clearing point in the mesomorphic range of the compositions, and a liquid crystal composition containing the same are provided, which compound is expressed by the general formula ##STR1## wherein R 1 is alkyl or alkoxy each of 1-15 C; n is 1 or 2; and X is ##STR2## wherein R 2 is alkyl or alkoxy each of 1-15 C, when n is 1, or F, Cl, CN, alkyl or alkoxy each of 1-15 C when n is 2.
Inventors
- 👤 Shigeru Sugimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:25
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/30; C09K19/3001; C09K19/3066; C09K19/3068
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
78 words
4-Substituted-phenyl α-methyl-β-(4-substituted-phenyl)propionates expressed by the general formula ##STR21## wherein R 1 represents an alkyl group or an alkoxy group each having 1 to 15 carbon atoms; n is 1 or 2; and X represnts ##STR22## wherein R 2 represents an alkyl group or an alkyoxy group having 1 to 15 carbon atoms, when n is 1, or F, Cl, CN, an alkyl group or an alkoxy group each having 1 to 15 carbon atoms, when n is 2.
Claim 2
Dependent Claim
78 words
4-Substituted-phenyl α-methyl-β-(4-substituted-phenyl)propionates expressed by the general formula ##STR21## wherein R 1 represents an alkyl group or an alkoxy group each having 1 to 15 carbon atoms; n is 1 or 2; and X represnts ##STR22## wherein R 2 represents an alkyl group or an alkyoxy group having 1 to 15 carbon atoms, when n is 1, or F, Cl, CN, an alkyl group or an alkoxy group each having 1 to 15 carbon atoms, when n is 2.
Claim 3
Dependent Claim
20 words
4-Substituted phenyl α-methyl-β(4-substituted-phenyl)propionates according to claim 1 wherein n represents 1 and X represents ##STR23## in the general formula (I).
Claim 4
Dependent Claim
33 words
4-Substituted phenyl α-methyl-β(4-substituted-phenyl)propionates according to claim 1 wherein n represents 2 and X represents an alkyl group or an alkoxy group each having 1 to 15 carbon atoms in the general formula (I).
Claim 5
Dependent Claim
23 words
A liquid crystal corposition comprising a mixture of compounds at least one of which is a compound as set forth in claim 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-10 | 1991-02-09 | 1991-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-10 | 1995-02-09 | 1995-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-10 | 1999-02-09 | 1999-08-11 | $7700.00 | Window Closed / Lapsed |