CH617452A5 - - Google Patents

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Publication number
CH617452A5
CH617452A5 CH1431374A CH1431374A CH617452A5 CH 617452 A5 CH617452 A5 CH 617452A5 CH 1431374 A CH1431374 A CH 1431374A CH 1431374 A CH1431374 A CH 1431374A CH 617452 A5 CH617452 A5 CH 617452A5
Authority
CH
Switzerland
Prior art keywords
pyrimidine
cyano
straight
carbon atoms
mixture according
Prior art date
Application number
CH1431374A
Other languages
German (de)
English (en)
Inventor
Arthur Dr Boller
Marco Dr Cereghetti
Hanspeter Dr Scherrer
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Priority to CH1431374A priority Critical patent/CH617452A5/de
Priority to ZA00756410A priority patent/ZA756410B/xx
Priority to AU85670/75A priority patent/AU476921B2/en
Priority to IT28443/75A priority patent/IT1043486B/it
Priority to US05/624,354 priority patent/US3997536A/en
Priority to FR7532424A priority patent/FR2309543A1/fr
Priority to DD189021A priority patent/DD124731A5/xx
Priority to DD7500198028A priority patent/DD128698A5/xx
Priority to SE7511902A priority patent/SE417962B/xx
Priority to JP50127576A priority patent/JPS5180870A/ja
Priority to BE161221A priority patent/BE834837A/xx
Priority to AT814575A priority patent/AT349475B/de
Priority to GB4382275A priority patent/GB1473990A/en
Priority to ES442044A priority patent/ES442044A1/es
Priority to DK479675A priority patent/DK479675A/da
Priority to CA238,291A priority patent/CA1042889A/en
Priority to DE2547737A priority patent/DE2547737C2/de
Priority to NLAANVRAGE7512497,A priority patent/NL176172C/xx
Priority to US05/721,257 priority patent/US4066570A/en
Priority to DK382677A priority patent/DK382677A/da
Priority to HK72/78A priority patent/HK7278A/xx
Priority to JP1997778A priority patent/JPS53101385A/ja
Priority to JP1997678A priority patent/JPS53114788A/ja
Priority to AT556178A priority patent/AT362429B/de
Publication of CH617452A5 publication Critical patent/CH617452A5/de

Links

Classifications

    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • 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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/12—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing more than one —CHO group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/277—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C51/38—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by decarboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/30—Halogen atoms or nitro radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/32—One oxygen, sulfur or nitrogen atom
    • C07D239/34—One oxygen atom
    • C07D239/36—One oxygen atom as doubly bound oxygen atom or as unsubstituted hydroxy radical
    • 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
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal (AREA)
CH1431374A 1974-10-25 1974-10-25 CH617452A5 (it)

Priority Applications (24)

Application Number Priority Date Filing Date Title
CH1431374A CH617452A5 (it) 1974-10-25 1974-10-25
ZA00756410A ZA756410B (en) 1974-10-25 1975-10-09 Phenyl pyrimidines
AU85670/75A AU476921B2 (en) 1974-10-25 1975-10-13 Phenyl pyrimidines
IT28443/75A IT1043486B (it) 1974-10-25 1975-10-20 Fenil pirimidine
US05/624,354 US3997536A (en) 1974-10-25 1975-10-21 Phenyl-pyrimidines
FR7532424A FR2309543A1 (fr) 1974-10-25 1975-10-23 Nouvelles phenylpyrimidines, leur procede de preparation et leur application electro-optique
DD189021A DD124731A5 (it) 1974-10-25 1975-10-23
DD7500198028A DD128698A5 (de) 1974-10-25 1975-10-23 Nematisches gemisch
SE7511902A SE417962B (sv) 1974-10-25 1975-10-23 Fenylpyrimidiner for elektro-optiska endamal
JP50127576A JPS5180870A (en) 1974-10-25 1975-10-24 Fueniruupirimijinno seizohoho
BE161221A BE834837A (fr) 1974-10-25 1975-10-24 Phenylpyrimidines
AT814575A AT349475B (de) 1974-10-25 1975-10-24 Verfahren zur herstellung von neuen phenylpyrimidinen
GB4382275A GB1473990A (en) 1974-10-25 1975-10-24 Phenyl-pyrimidines
ES442044A ES442044A1 (es) 1974-10-25 1975-10-24 Un procedimiento para la preparacion de fenil-pirimidinas.
DK479675A DK479675A (da) 1974-10-25 1975-10-24 Phenylpyrimidiner
CA238,291A CA1042889A (en) 1974-10-25 1975-10-24 Phenyl pyrimidines
DE2547737A DE2547737C2 (de) 1974-10-25 1975-10-24 Phenylpyrimidine
NLAANVRAGE7512497,A NL176172C (nl) 1974-10-25 1975-10-24 Werkwijze voor het bereiden van mengsels met nematische eigenschappen en het bereiden van daarvoor geschikte pyrimidine-verbindingen.
US05/721,257 US4066570A (en) 1974-10-25 1976-09-08 Phenyl-pyrimidines
DK382677A DK382677A (da) 1974-10-25 1977-08-29 Flydende krystallinske blandinger
HK72/78A HK7278A (en) 1974-10-25 1978-02-10 Phenyl-pyrimidines
JP1997778A JPS53101385A (en) 1974-10-25 1978-02-24 Method of producing phenyllpyrimidine
JP1997678A JPS53114788A (en) 1974-10-25 1978-02-24 Nematic liquid crystal matter mixture
AT556178A AT362429B (de) 1974-10-25 1978-07-31 Nematisches gemisch fuer elektrooptische zwecke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1431374A CH617452A5 (it) 1974-10-25 1974-10-25

Publications (1)

Publication Number Publication Date
CH617452A5 true CH617452A5 (it) 1980-05-30

Family

ID=4399774

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1431374A CH617452A5 (it) 1974-10-25 1974-10-25

Country Status (18)

Country Link
US (1) US3997536A (it)
JP (3) JPS5180870A (it)
AT (1) AT349475B (it)
AU (1) AU476921B2 (it)
BE (1) BE834837A (it)
CA (1) CA1042889A (it)
CH (1) CH617452A5 (it)
DD (2) DD124731A5 (it)
DE (1) DE2547737C2 (it)
DK (2) DK479675A (it)
ES (1) ES442044A1 (it)
FR (1) FR2309543A1 (it)
GB (1) GB1473990A (it)
HK (1) HK7278A (it)
IT (1) IT1043486B (it)
NL (1) NL176172C (it)
SE (1) SE417962B (it)
ZA (1) ZA756410B (it)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062798A (en) * 1975-09-19 1977-12-13 Hoffmann-La Roche Inc. Phenylpyrimidine derivatives
NL7701750A (nl) * 1976-02-26 1977-08-30 Hoffmann La Roche Mengsels van vloeibare kristallen.
US4052397A (en) * 1976-11-22 1977-10-04 Ciba-Geigy Corporation Process for the production of 2-alkyl or 2-cycloalkyl-4-methyl-6-hydroxypyrimidines
US4052396A (en) * 1976-11-22 1977-10-04 Ciba-Geigy Corporation Process for the production of 2-alkyl or 2-cycloalkyl-4-methyl-6-hydroxypyrimidines
JPS5411887A (en) * 1977-06-29 1979-01-29 Sharp Corp Liquid crystal composition
DD138558A1 (de) * 1977-12-08 1979-11-07 Frank Kuschel Nematische fluessig-kristalline gemische
JPS5483694A (en) * 1977-12-16 1979-07-03 Hitachi Ltd Nematic liquid crystal body for display device
JPS5941983B2 (ja) * 1978-02-17 1984-10-11 大日本インキ化学工業株式会社 トランス（エカトリアル↓−エカトリアル）１，４↓−ジ置換シクロヘキサン誘導体
US4309539A (en) * 1978-03-13 1982-01-05 Hoffmann-La Roche Inc. Pyrimidine derivatives
US4163848A (en) * 1978-08-08 1979-08-07 Ciba-Geigy Corporation Process for the production of 2-alkyl- or cycloalkyl-4-methyl-6-hydroxypyrimidines
JPS5534206A (en) * 1978-08-30 1980-03-10 Hitachi Ltd Nematic liquid crystal for display unit
DE2944905A1 (de) * 1978-12-13 1980-10-23 Werk Fernsehelektronik Veb Kristallin-fluessige substituierte 1,3-dioxane und diese enthaltende gemische
CA1120478A (en) * 1979-02-05 1982-03-23 Arthur Boller Cyclohexyl pyrimidines
DE3014912A1 (de) * 1979-05-15 1980-11-27 Werk Fernsehelektronik Veb Nematische fluessigkristalline 5-cyan- 2- eckige klammer auf 4-acyloxyphenyl eckige klammer zu -pyrimidine und diese enthaltende gemische
DE3063497D1 (en) * 1979-08-20 1983-07-07 Werk Fernsehelektronik Veb Nematic crystalline-liquid 5-alkyl-2-(4-acyloxyphenyl)-pyrimidines for opto-electronic arrangements and process for their preparation
CH652400A5 (en) * 1979-11-14 1985-11-15 Hoffmann La Roche Phenyldioxanes, and liquid-crystalline mixtures containing them
US4364838A (en) * 1979-11-14 1982-12-21 Hoffmann-La Roche Inc. Liquid crystal mixtures
DE2951099A1 (de) * 1979-12-19 1981-06-25 Merck Patent Gmbh, 6100 Darmstadt Tetrahydrochinazoline, verfahren zu ihrer herstellung, diese enthaltende fluessigkristalline dielektrika und elektrooptisches anzeigeelement
JPS56113768A (en) * 1980-02-15 1981-09-07 Seiko Epson Corp Compound
JPS56116774A (en) * 1980-02-19 1981-09-12 Seiko Epson Corp Nematic liquid crystal composition
US4335011A (en) * 1980-03-28 1982-06-15 Timex Corporation Cyclohexyl-dioxane liquid crystalline compounds
US4335012A (en) * 1980-04-03 1982-06-15 Timex Corporation 5-Substituted-2-(4-cyanophenyl)-1,3-dioxanes
DE3023989A1 (de) * 1980-06-26 1982-01-21 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristallines dielektrikum
CH645102A5 (de) * 1980-10-14 1984-09-14 Hoffmann La Roche Disubstituierte pyrimidine.
JPS5790082A (en) * 1980-11-26 1982-06-04 Seiko Epson Corp Liquid crystal composition
JPS57117583A (en) * 1981-01-12 1982-07-22 Seiko Epson Corp Liquid crystal composition
US4452718A (en) * 1981-07-31 1984-06-05 Hoffmann-La Roche Inc. Pyridazines
CH651025A5 (de) * 1982-05-14 1985-08-30 Hoffmann La Roche Pyridazine und ihre verwendung als komponenten fluessigkristalliner gemische.
US4528114A (en) * 1981-12-18 1985-07-09 Hoffmann-La Roche Inc. Acetylenes
US5227484A (en) * 1982-01-14 1993-07-13 Merck Patent Gmbh Anisotropic compounds having nematic phase and liquid crystal mixtures
JPS58128356A (ja) * 1982-01-28 1983-07-30 Ube Ind Ltd ２−アルコキシメチレン−３，３−ジアルコキシブロパンニトリル類
GB2120242A (en) * 1982-04-30 1983-11-30 Erba Farmitalia Ergoline derivatives
JPS5939876A (ja) * 1982-08-26 1984-03-05 Chisso Corp ピリミジン誘導体
GB2133004B (en) * 1982-11-04 1986-06-11 Ici Plc Process for the extraction of metal values and novel metal extractants
DE3465192D1 (en) * 1983-03-16 1987-09-10 Hoffmann La Roche Liquid crystal components having an alkenyl chain
US4581155A (en) * 1983-03-31 1986-04-08 Chisso Corporation Halogenopyrimidine derivatives
DE3315295A1 (de) * 1983-04-27 1984-10-31 Merck Patent Gmbh, 6100 Darmstadt Fluorhaltige pyrimidinderivate
EP0136480B1 (en) * 1983-08-22 1990-01-17 Chisso Corporation 2,3-dicyano-5-substituted pyrazines and liquid crystal composition containing them
JPS60146877A (ja) * 1984-01-11 1985-08-02 Chisso Corp ２―置換―６―（５―置換―２―ピリミジニル）ナフタリン
US4609485A (en) * 1984-02-17 1986-09-02 Chisso Corporation Bipyrimidinyl derivatives
DE3411571A1 (de) * 1984-03-29 1985-10-10 Merck Patent Gmbh, 6100 Darmstadt Pyrimidine
EP0169327B1 (de) * 1984-05-25 1988-01-13 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Phenylisothiocyanate
EP0191860B1 (en) * 1984-06-07 1990-04-18 Seiko Instruments Inc. Liquid crystal compound
JPS61215372A (ja) * 1985-03-20 1986-09-25 Teikoku Chem Ind Corp Ltd 液晶化合物
JPS61152659A (ja) * 1984-12-27 1986-07-11 Chisso Corp １，４−ジピリミジニルベンゼン誘導体
DE3500909A1 (de) * 1985-01-12 1986-07-17 Merck Patent Gmbh, 6100 Darmstadt Pyrimidine
JPS61180775A (ja) * 1985-01-22 1986-08-13 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング ジヒドロアジン液晶化合物
JPS61197563A (ja) * 1985-02-27 1986-09-01 Chisso Corp トリフルオロメチルフエニル基をもつピリミジン誘導体
JPS61233689A (ja) * 1985-03-22 1986-10-17 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 複素環式ホウ素化合物
EP0195974B1 (de) * 1985-03-26 1989-11-29 F. Hoffmann-La Roche Ag Alkenylsubstituierte Phenylisothiocyanate und Benzonitrile
US4980082A (en) * 1986-09-02 1990-12-25 Seiko Instruments Inc. Ferroelectric SmC liquid crystal composition which comprises pyrimidinylphenyl ester compounds
CA1341098C (en) * 1988-08-25 2000-09-12 Kazuhiko Sakaguchi Liquid crystal composition and use thereof
DE3928267A1 (de) * 1989-08-26 1991-02-28 Merck Patent Gmbh 5-oxy-2-phenylpyrimidine und fluessigkristallines medium
JPH07278545A (ja) * 1994-04-14 1995-10-24 Chisso Corp ネマテック液晶組成物
CN103965111A (zh) * 2014-05-05 2014-08-06 淮海工学院 一种含有水杨醛席夫碱的双子季铵盐及其制备方法
WO2016007638A1 (en) * 2014-07-08 2016-01-14 Dow Agrosciences Llc Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH593495A5 (it) * 1971-12-22 1977-12-15 Werk Fernsehelektronik Veb
DD107563A1 (it) * 1973-09-27 1974-08-05

Also Published As

Publication number Publication date
AU8567075A (en) 1976-10-07
NL176172B (nl) 1984-10-01
FR2309543A1 (fr) 1976-11-26
HK7278A (en) 1978-02-17
AT349475B (de) 1979-04-10
DK382677A (da) 1977-08-29
FR2309543B1 (it) 1978-04-07
DE2547737A1 (de) 1976-04-29
ES442044A1 (es) 1977-06-16
JPS53114788A (en) 1978-10-06
JPS5180870A (en) 1976-07-15
ATA814575A (de) 1978-09-15
DD124731A5 (it) 1977-03-09
DK479675A (da) 1976-04-26
IT1043486B (it) 1980-02-20
US3997536A (en) 1976-12-14
GB1473990A (en) 1977-05-18
SE417962B (sv) 1981-04-27
JPS556631B2 (it) 1980-02-18
AU476921B2 (en) 1976-10-07
NL176172C (nl) 1985-03-01
JPS53101385A (en) 1978-09-04
SE7511902L (sv) 1976-04-26
ZA756410B (en) 1976-09-29
DE2547737C2 (de) 1982-09-16
NL7512497A (nl) 1976-04-27
DD128698A5 (de) 1977-12-07
CA1042889A (en) 1978-11-21
BE834837A (fr) 1976-04-26

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