IT998506B - Materiali nematici e metodo per la loro preparazione - Google Patents
Materiali nematici e metodo per la loro preparazioneInfo
- Publication number
- IT998506B IT998506B IT28362/73A IT2836273A IT998506B IT 998506 B IT998506 B IT 998506B IT 28362/73 A IT28362/73 A IT 28362/73A IT 2836273 A IT2836273 A IT 2836273A IT 998506 B IT998506 B IT 998506B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- nematic materials
- nematic
- materials
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/001—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain
- C07C37/002—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain by transformation of a functional group, e.g. oxo, carboxyl
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/82—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
- C07C49/825—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups all hydroxy groups bound to the ring
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
- C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00299991A US3836478A (en) | 1972-10-24 | 1972-10-24 | Nematic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT998506B true IT998506B (it) | 1976-02-20 |
Family
ID=23157196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT28362/73A IT998506B (it) | 1972-10-24 | 1973-08-30 | Materiali nematici e metodo per la loro preparazione |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3836478A (it) |
| JP (1) | JPS4974688A (it) |
| CA (1) | CA1027963A (it) |
| DE (1) | DE2352368A1 (it) |
| FR (1) | FR2203678B1 (it) |
| GB (1) | GB1397165A (it) |
| IT (1) | IT998506B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915883A (en) * | 1972-04-26 | 1975-10-28 | Eastman Kodak Co | Liquid crystalline compounds and compositions |
| US4011173A (en) * | 1972-08-03 | 1977-03-08 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Modified nematic mixtures with positive dielectric anisotropy |
| US3971824A (en) * | 1973-08-15 | 1976-07-27 | Eastman Kodak Company | P-Benzoyloxybenzoate |
| US4000084A (en) * | 1973-12-17 | 1976-12-28 | Hughes Aircraft Company | Liquid crystal mixtures for electro-optical display devices |
| US4137192A (en) * | 1974-01-25 | 1979-01-30 | Canon Kabushiki Kaisha | Liquid crystalline composition |
| US4020002A (en) * | 1974-02-28 | 1977-04-26 | Beckman Instruments, Inc. | Non-schiff base field effect liquid crystal composition |
| US4147651A (en) * | 1974-09-03 | 1979-04-03 | Beckman Instruments, Inc. | Biphenyl based liquid crystal compositions |
| US3975286A (en) * | 1974-09-03 | 1976-08-17 | Beckman Instruments, Inc. | Low voltage actuated field effect liquid crystals compositions and method of synthesis |
| JPS5257139A (en) * | 1975-11-06 | 1977-05-11 | Dainippon Toryo Kk | Production of cairal nematic compound and liquid crystal composition |
| US4029594A (en) * | 1976-06-17 | 1977-06-14 | Rca Corporation | Novel liquid crystal compounds and electro-optic devices incorporating them |
| US4120567A (en) * | 1977-02-11 | 1978-10-17 | Rca Corporation | Electro-optic device |
-
1972
- 1972-10-24 US US00299991A patent/US3836478A/en not_active Expired - Lifetime
-
1973
- 1973-08-30 IT IT28362/73A patent/IT998506B/it active
- 1973-09-04 GB GB4151773A patent/GB1397165A/en not_active Expired
- 1973-09-19 JP JP48105123A patent/JPS4974688A/ja active Pending
- 1973-09-27 FR FR7335250A patent/FR2203678B1/fr not_active Expired
- 1973-10-09 CA CA182,854A patent/CA1027963A/en not_active Expired
- 1973-10-18 DE DE19732352368 patent/DE2352368A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1397165A (en) | 1975-06-11 |
| US3836478A (en) | 1974-09-17 |
| JPS4974688A (it) | 1974-07-18 |
| DE2352368A1 (de) | 1974-05-09 |
| FR2203678B1 (it) | 1976-10-01 |
| FR2203678A1 (it) | 1974-05-17 |
| CA1027963A (en) | 1978-03-14 |
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