US4797228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclohexane derivative and liquid crystal composition containing same
Assignee: JNC Corp
•
Filing: 1986-05-28
•
Granted: 1989-01-10
•
Expires: 2006-05-28
Abstract
Abstract A novel cyclohexane derivative having a good stability, a low viscosity and a large dielectric aniostropy value and a liquid crystal composition containing the same are provided, which derivative is expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbon atoms; A represents hydrogen, halogen or cyano group; l represents 1 or 2; and m represents 0 or 1.
Inventors
- 👤 Yasuyuki Goto
- 👤 Shigeru Sugimori
- 👤 Tetsuya Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:18
CPC Classifications
C; C07; C07C; C07C255/00; C07C25/00; C07C25/18; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/30; C09K19/3001; C09K19/3028
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
44 words
A cyclohexane derivative expressed by the formula ##STR11## wherein R is an alkyl group of 1 to 10 carbon atoms; l is 1 or 2; m is 0 or 1; with the proviso that the sum of l and m is 1 or 2.
Claim 2
Dependent Claim
44 words
A cyclohexane derivative expressed by the formula ##STR11## wherein R is an alkyl group of 1 to 10 carbon atoms; l is 1 or 2; m is 0 or 1; with the proviso that the sum of l and m is 1 or 2.
Claim 3
Dependent Claim
20 words
A cyclohexane derivative according to claim 1, expressed by the formula ##STR12## wherein R is as defined in claim 1.
Claim 4
Dependent Claim
20 words
A cyclohexane derivative according to claim 1 expressed by the formula ##STR13## wherein R is as defined in claim 1.
Claim 5
Dependent Claim
20 words
A cyclohexane derivative according to claim 1 expressed by the formula ##STR14## wherein R is as defined in claim 1
Claim 6
Dependent Claim
25 words
A liquid crystal composition having at least two components at least one of which is a cyclohexane derivative (I) as set forth in claim 1.
References Cited (Backward Citations)
US4261651A
Cited
US4400293A
Cited
GB2092169A
Cited
US4419263A
Cited
US4439015A
Cited
US4556745A
Cited
JPS58665A
Cited
US4482472A
Cited
US4455443A
Cited
EP0084194A1
Cited
GB2121406A
Cited
JPS58210057A
Cited
US4512636A
Cited
US4510069A
Cited
US4514044A
Cited
EP0107116A1
Cited
US4551280A
Cited
JPS5980651A
Cited
GB2134110A
Cited
US4695131A
Cited
JPS59170042A
Cited
JPS59193850A
Cited
US4606845A
Cited
US4724097A
Cited
US4602851A
Cited
US4630896A
Cited
EP0129177A2
Cited
JPS6013731A
Cited
US4637897A
Cited
JPS6045549A
Cited
JPS6084230A
Cited
US4652089A
Cited
US4659502A
Cited
EP0149208A2
Cited
DE3410734A1
Cited
DE3410733A1
Cited
WO1985004874A1
Cited
US4710315A
Cited
US4621901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |