IT1222085B - Tetrameri ciclici liquido cristallini - Google Patents

Tetrameri ciclici liquido cristallini

Info

Publication number: IT1222085B
Authority: IT; Italy
Prior art keywords: liquid cyclic; crystalline liquid; cyclic tetramers; tetramers; crystalline
Prior art date: 1987-07-21

Application number

IT21370/87A

Other languages

English (en)

Other versions

IT8721370A0 (it

Inventor

Enrico Dalcanale

Stefanio Bonsignore

Vosel Annick Du

Original Assignee

Montedison Spa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-07-21

Filing date

1987-07-21

Publication date

1990-08-31

1987-07-21 Application filed by Montedison Spa filed Critical Montedison Spa

1987-07-21 Priority to IT21370/87A priority Critical patent/IT1222085B/it

1987-07-21 Publication of IT8721370A0 publication Critical patent/IT8721370A0/it

1988-07-20 Priority to US07/221,609 priority patent/US4918217A/en

1988-07-20 Priority to CA000572566A priority patent/CA1289968C/en

1988-07-21 Priority to DE8888306722T priority patent/DE3865569D1/de

1988-07-21 Priority to EP88306722A priority patent/EP0300800B1/en

1988-07-21 Priority to JP63182748A priority patent/JPH01104029A/ja

1990-08-31 Application granted granted Critical

1990-08-31 Publication of IT1222085B publication Critical patent/IT1222085B/it

Links

239000007788 liquid Substances 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- 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
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- 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
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)

IT21370/87A 1987-07-21 1987-07-21 Tetrameri ciclici liquido cristallini IT1222085B (it)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
IT21370/87A IT1222085B (it)	1987-07-21	1987-07-21	Tetrameri ciclici liquido cristallini
US07/221,609 US4918217A (en)	1987-07-21	1988-07-20	Macrocyclic tetramers having columnar tridimensional mesophases
CA000572566A CA1289968C (en)	1987-07-21	1988-07-20	Macrocyclic tetramers having columnar tridimensional mesophases
DE8888306722T DE3865569D1 (de)	1987-07-21	1988-07-21	Makrocyclische tetramere mit dreidimensionalen saeulenfoermigen mesophasen.
EP88306722A EP0300800B1 (en)	1987-07-21	1988-07-21	Macrocyclic tetramers having columnar tridimensional mesophases
JP63182748A JPH01104029A (ja)	1987-07-21	1988-07-21	柱状三次元中間相を呈する大環状四量体

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT21370/87A IT1222085B (it)	1987-07-21	1987-07-21	Tetrameri ciclici liquido cristallini

Publications (2)

Publication Number	Publication Date
IT8721370A0 IT8721370A0 (it)	1987-07-21
IT1222085B true IT1222085B (it)	1990-08-31

Family

ID=11180800

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21370/87A IT1222085B (it)	1987-07-21	1987-07-21	Tetrameri ciclici liquido cristallini

Country Status (6)

Country	Link
US (1)	US4918217A (it)
EP (1)	EP0300800B1 (it)
JP (1)	JPH01104029A (it)
CA (1)	CA1289968C (it)
DE (1)	DE3865569D1 (it)
IT (1)	IT1222085B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1226547B (it) *	1988-07-11	1991-01-24	Montedison Spa	Cristalli liquidi piramidali.
IT1230943B (it) *	1989-06-28	1991-11-08	Tecnopart Srl	Cristalli liquidi piramidali ferroelettrici.
GB8924143D0 (en) *	1989-10-26	1989-12-13	Ciba Geigy	Novel oligomers
DE4011804A1 (de) *	1990-04-12	1991-10-24	Hoechst Ag	Verwendung von makrocyclischen verbindungen als komponente fuer ferroelektrische fluessigkristallmischungen
IT1238230B (it) *	1989-12-06	1993-07-12	Tecnopart Srl	Miscele di cristalli liquidi colonnari piramidali e procedimento per la loro preparazione
IT1248713B (it) *	1990-06-08	1995-01-26	Siac It Additivi Carburanti	Composizioni di idrocarburi di raffinazione dotate di migliorata fluidita' alle basse termperature

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3438424C1 (de) *	1984-10-19	1986-05-15	Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen	Hexasubstituierte Tribenzocyclononatrien-Derivate,Verfahren zu deren Herstellung und ihre Verwendung
US4617788A (en) *	1985-05-22	1986-10-21	Sebastian Verne D	Lawn mower leaf mulching blade and method

1987
- 1987-07-21 IT IT21370/87A patent/IT1222085B/it active
1988
- 1988-07-20 US US07/221,609 patent/US4918217A/en not_active Expired - Fee Related
- 1988-07-20 CA CA000572566A patent/CA1289968C/en not_active Expired - Lifetime
- 1988-07-21 EP EP88306722A patent/EP0300800B1/en not_active Expired - Lifetime
- 1988-07-21 JP JP63182748A patent/JPH01104029A/ja active Granted
- 1988-07-21 DE DE8888306722T patent/DE3865569D1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT8721370A0 (it)	1987-07-21
DE3865569D1 (de)	1991-11-21
JPH0529389B2 (it)	1993-04-30
EP0300800A1 (en)	1989-01-25
EP0300800B1 (en)	1991-10-16
JPH01104029A (ja)	1989-04-21
US4918217A (en)	1990-04-17
CA1289968C (en)	1991-10-01

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19930714

Publication	Publication Date	Title
BR8803081A (pt)	1989-05-23	Aparelho ministrador de liquido
FR2604906B1 (fr)	1992-02-07	Collyre
BR8702746A (pt)	1988-03-01	Indicador passivo
DE3752264D1 (de)	1999-05-06	Flüssigkristallines Polymer
DK76288A (da)	1988-08-24	Letoplukkeligt beholderlukke
KR890701220A (ko)	1989-12-19	액체 분리기
KR880018407U (ko)	1988-10-28	진자장치
DK119590A (da)	1990-05-14	Renin-inhiberende paptider
DK280288A (da)	1988-05-20	Injektionsindretning
IT1222085B (it)	1990-08-31	Tetrameri ciclici liquido cristallini
KR880018963U (ko)	1988-11-28	바늘 케이스
IT1214523B (it)	1990-01-18	Copolieteri liquido cristallini.
DK375287A (da)	1988-01-19	Fungicid indeholdende substituerede thienylaminer
DK207685D0 (da)	1985-05-10	Cycliske azolylvinylethere
DE3762037D1 (de)	1990-05-03	Fadenfangvorrichtungen.
IT1214524B (it)	1990-01-18	Capolieteri liquido cristallini.
FR2612492B1 (fr)	1989-08-11	Caisse armee
KR870012850U (ko)	1987-09-05	화분
FI872410L (fi)	1987-05-29	Vaextvibreringsanordning.
ES293648Y (es)	1988-05-01	Tarro
KR870017667U (ko)	1987-12-21	화분
KR880004087U (ko)	1988-05-06	화분
IT207482Z2 (it)	1988-01-18	Dispositivo di bloccaggio preferibilmente per cinturini di orologi.
IT8704717V0 (it)	1987-01-20	Barattolo personalizzato
FI872064A7 (fi)	1988-11-12	Puhdastilamoduli