FR2173165B1 - - Google Patents

Info

Publication number
FR2173165B1
FR2173165B1 FR7306255A FR7306255A FR2173165B1 FR 2173165 B1 FR2173165 B1 FR 2173165B1 FR 7306255 A FR7306255 A FR 7306255A FR 7306255 A FR7306255 A FR 7306255A FR 2173165 B1 FR2173165 B1 FR 2173165B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7306255A
Other languages
French (fr)
Other versions
FR2173165A1 (it
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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.)
Filing date
Publication date
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of FR2173165A1 publication Critical patent/FR2173165A1/fr
Application granted granted Critical
Publication of FR2173165B1 publication Critical patent/FR2173165B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/04—Monocyclic monocarboxylic 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
    • C09K19/08—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
FR7306255A 1972-02-23 1973-02-22 Expired FR2173165B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH258672A CH565234A5 (it) 1972-02-23 1972-02-23

Publications (2)

Publication Number Publication Date
FR2173165A1 FR2173165A1 (it) 1973-10-05
FR2173165B1 true FR2173165B1 (it) 1976-09-10

Family

ID=4237116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306255A Expired FR2173165B1 (it) 1972-02-23 1973-02-22

Country Status (20)

Country Link
JP (2) JPS5211677B2 (it)
AR (1) AR195823A1 (it)
AT (1) AT335530B (it)
AU (1) AU444106B2 (it)
BE (1) BE795776A (it)
CA (1) CA1013364A (it)
CH (1) CH565234A5 (it)
CS (4) CS177892B2 (it)
DD (2) DD110737A5 (it)
ES (1) ES411901A1 (it)
FR (1) FR2173165B1 (it)
GB (1) GB1373610A (it)
IL (1) IL41362A (it)
IT (1) IT978487B (it)
NL (1) NL152917B (it)
NO (2) NO132477C (it)
SE (2) SE402278B (it)
SU (3) SU520031A3 (it)
TR (1) TR18233A (it)
ZA (1) ZA73331B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978683A (it) * 1972-12-06 1974-07-29
JPS50111042A (it) * 1974-02-13 1975-09-01
JPS50111043A (it) * 1974-02-15 1975-09-01
JPS5177591A (en) * 1974-12-28 1976-07-05 Dainippon Toryo Kk Nemachitsukuekishososeibutsu
JPS54126775U (it) * 1978-02-22 1979-09-04
DE2937911A1 (de) * 1978-09-19 1980-03-27 Daikin Ind Ltd Fluor enthaltende phenylbenzoatverbindungen, verfahren zu ihrer herstellung und ihre verwendung
FR2439765A1 (fr) * 1978-10-27 1980-05-23 Thomson Csf Compose organique mesomorphe dont la formule chimique derive d'un acide alcoxy-4 tetrafluorobenzoique, et dispositif a cristal liquide utilisant un tel compose
JPH0438873Y2 (it) * 1985-08-30 1992-09-10
JPH045986Y2 (it) * 1986-05-12 1992-02-19
US4833794A (en) * 1988-08-10 1989-05-30 Advance Systems, Inc. Dryer apparatus for floating a running web and having baffle means for spent return air

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024269A1 (en) * 1970-05-19 1971-12-02 Merck Patent Gmbh Nematic mixtures - of low melting point, used in electronics

Also Published As

Publication number Publication date
DE2306739B2 (de) 1976-09-16
CA1013364A (en) 1977-07-05
NL7302276A (it) 1973-08-27
DD108525A5 (it) 1974-09-20
AT335530B (de) 1977-03-10
SE7500978L (it) 1975-01-29
IL41362A (en) 1976-02-29
BE795776A (fr) 1973-08-22
IT978487B (it) 1974-09-20
SU515440A3 (ru) 1976-05-25
CS177893B2 (it) 1977-08-31
NO139052B (no) 1978-09-18
IL41362A0 (en) 1973-03-30
DD110737A5 (it) 1975-01-05
DE2306739A1 (de) 1973-08-30
CS177892B2 (it) 1977-08-31
ATA155373A (de) 1976-07-15
ES411901A1 (es) 1976-04-16
JPS4896560A (it) 1973-12-10
ZA73331B (en) 1973-10-31
SU520031A3 (ru) 1976-06-30
CS177856B2 (it) 1977-08-31
SU511849A3 (ru) 1976-04-25
TR18233A (tr) 1976-11-05
NO132477B (it) 1975-08-11
JPS522902B2 (it) 1977-01-25
FR2173165A1 (it) 1973-10-05
JPS514137A (it) 1976-01-14
AU444106B2 (en) 1974-01-17
AR195823A1 (es) 1973-11-09
NO139052C (no) 1978-12-27
CH565234A5 (it) 1975-08-15
AU5122973A (en) 1974-01-17
CS177894B2 (it) 1977-08-31
JPS5211677B2 (it) 1977-04-01
NL152917B (nl) 1977-04-15
GB1373610A (en) 1974-11-13
NO132477C (it) 1975-11-19
SE402278B (sv) 1978-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse