US4668425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel liquid crystal compound
Assignee: JNC Corp
•
Filing: 1986-05-30
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Granted: 1987-05-26
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Expires: 2006-05-30
Abstract
Abstract A novel liquid crystal compound which is superior in compatibility with other liquid crystal compounds or liquid crystal compositions, chemically stable, and when added to liquid crystal compositions, can raise the clearing point thereof almost without increasing the viscosity and enhance Δε and Δn thereof, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents F, Cl or H; and Z represents F, Cl, cyano group or an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
Inventors
- 👤 Kazunori Nigorikawa
- 👤 Kisei Kitano
- 👤 Shigeru Sugimori
- 👤 Tetsuya Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:05
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/34; C09K19/3441; C09K19/345; C09K19/3458; C09K19/3466; C09K19/42
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
56 words
A novel liquid crystal compound expressed by the formula (I) ##STR12## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents F, Cl or H; and Z represents F, Cl, cyano group or an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
Claim 2
Dependent Claim
56 words
A novel liquid crystal compound expressed by the formula (I) ##STR12## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents F, Cl or H; and Z represents F, Cl, cyano group or an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
Claim 3
Dependent Claim
36 words
A 2-(β-substituted ethyl)-5-substituted pyridine according to claim 1 wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents H; and Z represents F, Cl or cyano group.
Claim 4
Dependent Claim
38 words
A 2-(β-substituted ethyl)-5-substituted pyridine according to claim 1 wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents F or Cl; and Z represents F, Cl or cyano group.
Claim 5
Dependent Claim
43 words
A 2-(β-substituted ethyl)-5-substituted pyridine according to claim 1 wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represent F, Cl or H; and Z represents an alkyl group of 1 to 10 carbon atoms.
Claim 6
Dependent Claim
43 words
A 2-(β-substituted ethyl)-5-substituted pyrimidine according to claim 1 wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represent F, Cl or H; and Z represents an alkoxy group of 1 to 10 carbon atoms.
Claim 7
Dependent Claim
30 words
A liquid crystal composition having at least two components at least one of which is a liquid crystal compound expressed by the formula (I) as set forth in claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |