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New high temperature liquid-crystalline substances consisting of 4 or 5 six-member-rings and liquid-crystalline compositions containing same

Assignee: JNC Corp
•
Filing: 1983-01-21
•
Granted: 1984-10-16
•
Expires: 2003-01-21
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Abstract

Abstract Liquid-crystalline compounds which exhibit a liquid crystalline phase within a broader temperature range and also have a high transparent point and yet a low viscosity, and liquid-crystalline compositions containing at least one kind of the above compounds are provided, which compounds are high temperature liquid-crystalline substances consisting of 4 or 5 six-member-rings, expressed by the general formula ##STR1## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each having 1 to 10 carbon atoms; ##STR2## and n represents 0 or 1.

Inventors

  • 👤 Shigeru Sugimori
  • 👤 Tetsuhiko Kojima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:38
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C1/00; C07C1/20; C07C1/22; C07C13/00; C07C13/28; C07C17/00; C07C17/35; C07C29/00; C07C29/09; C07C29/10; C07C29/17; C07C29/19; C07C29/36; C07C29/38; C07C29/40; C07C35/00; C07C35/21; C07C43/00; C07C43/02; C07C43/20; C07C43/21; C07C43/215; C07C43/23; C07C49/00; C07C49/76; C07C49/782; C07C49/792; C07F; C07F3/00; C07F3/02; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/30; C09K19/3001; C09K19/3003; C09K19/3098; C07C2601/00; C07C2601/12; C07C2601/14

Claims Analysis

Total Claims: 30
Claim 1
Independent Claim 212 words
Compounds selected from the group consisting of ##STR27## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon stoms, respectively; ##STR28## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR29## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR30## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR31## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR32## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, but the number of hydrogen atoms cannot exceed one; ##STR33## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms; ##STR34## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms, respectively; and ##STR35## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms, respectively.
Claim 2
Dependent Claim 212 words
Compounds selected from the group consisting of ##STR27## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon stoms, respectively; ##STR28## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR29## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR30## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR31## wherein R and R' represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, respectively; ##STR32## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms, but the number of hydrogen atoms cannot exceed one; ##STR33## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms; ##STR34## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms, respectively; and ##STR35## wherein R and R' represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms, respectively.
Claim 3
Dependent Claim 25 words
1-(Trans-4-alkylcyclohexyl)-4-[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]benzenes expressed by the general formula ##STR36## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 4
Dependent Claim 25 words
1-(Trans-4-alkylcyclohexyl)-4-[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]benzenes expressed by the general formula ##STR36## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 5
Dependent Claim 30 words
4-Substituted-{trans-4-[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]cyclohexyl}benzenes expressed by the general formula ##STR37## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 6
Dependent Claim 30 words
4-Substituted-{trans-4-[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]cyclohexyl}benzenes expressed by the general formula ##STR37## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 7
Dependent Claim 30 words
4-Substituted-{4-[trans-4-(trans-4-alkylcyclohexyl)-cyclohexyl]cyclohexen-1-yl}benzenes expressed by the general formula ##STR38## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 8
Dependent Claim 30 words
4-Substituted-{4-[trans-4-(trans-4-alkylcyclohexyl)-cyclohexyl]cyclohexen-1-yl}benzenes expressed by the general formula ##STR38## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 9
Dependent Claim 30 words
4-Substituted-4-[trans-4-(trans-4-substituted-cyclohexyl)cyclohexyl]biphenyls expressed by the general formula ##STR39## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 10
Dependent Claim 30 words
4-Substituted-4-[trans-4-(trans-4-substituted-cyclohexyl)cyclohexyl]biphenyls expressed by the general formula ##STR39## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 11
Dependent Claim 30 words
4-Substituted-4'-(trans-4-alkylcyclohexyl)-terphenyls expressed by the general formula ##STR40## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 12
Dependent Claim 30 words
4-Substituted-4'-(trans-4-alkylcyclohexyl)-terphenyls expressed by the general formula ##STR40## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 13
Dependent Claim 36 words
Trans,trans-4,4'-bis(4-substituted-phenyl)-bicyclohexanes expressed by the general formula ##STR41## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms but the number of hydrogen atoms cannot exceed one.
Claim 14
Dependent Claim 36 words
Trans,trans-4,4'-bis(4-substituted-phenyl)-bicyclohexanes expressed by the general formula ##STR41## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms but the number of hydrogen atoms cannot exceed one.
Claim 15
Dependent Claim 27 words
4,4'-Bis(4-substituted-phenyl)bicyclohexan-3,3'-dienes expressed by the general formula ##STR42## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 16
Dependent Claim 27 words
4,4'-Bis(4-substituted-phenyl)bicyclohexan-3,3'-dienes expressed by the general formula ##STR42## wherein R represents hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 17
Dependent Claim 25 words
1,4-Bis[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]-benzenes expressed by the general formula ##STR43## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 18
Dependent Claim 25 words
1,4-Bis[trans-4-(trans-4-alkylcyclohexyl)cyclohexyl]-benzenes expressed by the general formula ##STR43## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 19
Dependent Claim 25 words
1,4-Bis[4-(trans-4-alkylcyclohexyl)cyclohexen-1-yl]benzenes expressed by the general formula ##STR44## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 20
Dependent Claim 25 words
1,4-Bis[4-(trans-4-alkylcyclohexyl)cyclohexen-1-yl]benzenes expressed by the general formula ##STR44## wherein R and R' each represent hydrogen atom or an alkyl group of 1 to 10 carbon atoms.
Claim 21
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 1.
Claim 22
Dependent Claim 22 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound set forth in claim 2.
Claim 23
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 3.
Claim 24
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 4.
Claim 25
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 5.
Claim 26
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 6.
Claim 27
Dependent Claim 44 words
A liquid crystal composition comprising a mixture of compounds at least one of which has the formula set forth in claim 7 and wherein R represents a hydrogen atom or an alkyl group or an alkoxy group, each of 1 to 10 carbon atoms.
Claim 28
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 8.
Claim 29
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 9.
Claim 30
Dependent Claim 23 words
A liquid crystal composition comprising a mixture of compounds at least one of which is a compound as set forth in claim 10.

References Cited (Backward Citations)

US4330426A Cited
US4331552A Cited
JPS5749688A Cited
US4405488A Cited
JPS57158729A Cited
EP0062470A1 Cited
DE3223637A1 Cited
US4439340A Cited
JPS5838221A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-10-16 1988-04-16 1988-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-10-16 1992-04-16 1992-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-10-16 1996-04-16 1996-10-16 $7700.00 Window Closed / Lapsed

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