CH557398A - Epoxidharzmischung. - Google Patents

Epoxidharzmischung.

Info

Publication number
CH557398A
CH557398A CH134870A CH134870A CH557398A CH 557398 A CH557398 A CH 557398A CH 134870 A CH134870 A CH 134870A CH 134870 A CH134870 A CH 134870A CH 557398 A CH557398 A CH 557398A
Authority
CH
Switzerland
Prior art keywords
epoxy resin
resin blend
blend
epoxy
resin
Prior art date
Application number
CH134870A
Other languages
English (en)
Inventor
Hans Batzer
Jurgen Habermeier
Daniel Porret
Original Assignee
Ciba Geigy 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
Priority to CH1680368A priority Critical patent/CH523278A/de
Priority to CH1662271A priority patent/CH523279A/de
Priority to DE1954503A priority patent/DE1954503C3/de
Priority to DE19691966743 priority patent/DE1966743A1/de
Priority to US870547A priority patent/US3629263A/en
Priority to FR6937821A priority patent/FR2022997A1/fr
Priority to NL6916903A priority patent/NL6916903A/xx
Priority to AT1052869A priority patent/AT293433B/de
Priority to BE741506D priority patent/BE741506A/xx
Priority to GB1290729D priority patent/GB1290729A/en
Priority to SE7210622A priority patent/SE391924B/xx
Priority to AT896070A priority patent/AT296331B/de
Priority to GB1290728D priority patent/GB1290728A/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to CH134870A priority patent/CH557398A/de
Priority to FR7013419A priority patent/FR2077627B2/fr
Priority to DE19702020091 priority patent/DE2020091A1/de
Priority to ZA703049A priority patent/ZA703049B/xx
Priority to NL7006624A priority patent/NL7006624A/xx
Priority to AT410770A priority patent/AT298807B/de
Priority to BE750116D priority patent/BE750116R/xx
Priority to GB22480/70A priority patent/GB1291187A/en
Priority to ES379472A priority patent/ES379472A2/es
Priority to US37299A priority patent/US3631221A/en
Priority to DE19702059623 priority patent/DE2059623A1/de
Priority to AT1093170A priority patent/AT300826B/de
Priority to DE19712104279 priority patent/DE2104279A1/de
Priority to GB1334462D priority patent/GB1334462A/en
Priority to US00210211A priority patent/US3772326A/en
Publication of CH557398A publication Critical patent/CH557398A/de
Priority to US05/541,911 priority patent/US4161594A/en
Priority to US05/956,523 priority patent/US4227005A/en

Links

Classifications

    • 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
    • C07D239/20—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D239/22—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • 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
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/52—Two oxygen atoms
    • C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy 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
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/60—Three or more oxygen or sulfur atoms
    • C07D239/62—Barbituric acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02—Polycondensates containing more than one epoxy group per molecule
    • C08G59/10—Polycondensates containing more than one epoxy group per molecule of polyamines with epihalohydrins or precursors thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/26—Di-epoxy compounds heterocyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/32—Epoxy compounds containing three or more epoxy groups
    • C08G59/38—Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/908—Polymer containing a hydantoin group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Epoxy Resins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Organic Insulating Materials (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyethers (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH134870A 1968-11-11 1970-01-30 Epoxidharzmischung. CH557398A (de)

Priority Applications (30)

Application Number Priority Date Filing Date Title
CH1680368A CH523278A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidyläthern von N-heterocyclischen Verbindungen und deren Verwendung
CH1662271A CH523279A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidylverbindungen von N-heterocyclischen Verbindungen und deren Verwendung
DE1954503A DE1954503C3 (de) 1968-11-11 1969-10-29 Diglycidylaether von N-heterocyclischen Verbindungen,Verfahren zu ihrer Herstellung und ihre Verwendung
DE19691966743 DE1966743A1 (de) 1968-11-11 1969-10-29 Neue mono- bzw. dialkohole von nheterocyclischen verbindungen
FR6937821A FR2022997A1 (de) 1968-11-11 1969-11-04
US870547A US3629263A (en) 1968-11-11 1969-11-04 Diglycidyl ethers
AT1052869A AT293433B (de) 1968-11-11 1969-11-10 Verfahren zur Herstellung von neuen Diglycidyläthern
NL6916903A NL6916903A (de) 1968-11-11 1969-11-10
BE741506D BE741506A (de) 1968-11-11 1969-11-10
GB1290729D GB1290729A (de) 1968-11-11 1969-11-10
SE7210622A SE391924B (sv) 1968-11-11 1969-11-10 Nya dialkoholer avsedda att anvendas som mellanprodukter vid framstellning av formkroppar, overdrag och lim
AT896070A AT296331B (de) 1968-11-11 1969-11-10 Verfahren zur Herstellung von neuen N-heterocyclischen Verbindungen
GB1290728D GB1290728A (de) 1968-11-11 1969-11-10
CH134870A CH557398A (de) 1968-11-11 1970-01-30 Epoxidharzmischung.
FR7013419A FR2077627B2 (de) 1968-11-11 1970-04-14
DE19702020091 DE2020091A1 (de) 1968-11-11 1970-04-24 Epoxidharzmischungen
ZA703049A ZA703049B (en) 1970-01-30 1970-05-05 Epoxide resin mixtures
NL7006624A NL7006624A (de) 1968-11-11 1970-05-06
AT410770A AT298807B (de) 1968-11-11 1970-05-06 Härtbares Gemisch auf der Basis von einem N-heterocyclischen ring enthaltenden Polyepoxyden
BE750116D BE750116R (fr) 1968-11-11 1970-05-08 Nouveaux derives diglycidyliques de composes n-heterocycliques,procede pour leur preparation et leur
GB22480/70A GB1291187A (en) 1968-11-11 1970-05-08 Epoxide resin mixtures
ES379472A ES379472A2 (es) 1970-01-30 1970-05-09 Procedimiento para la preparacion de nuevos eteres diglici-dilicos.
US37299A US3631221A (en) 1968-11-11 1970-05-14 Epoxide resin mixtures
DE19702059623 DE2059623A1 (de) 1968-11-11 1970-12-03 Neue Diglycidylderivate von N-heterocyclischen Verbindungen,Verfahren zu ihrer Herstellung und Anwendung
AT1093170A AT300826B (de) 1968-11-11 1970-12-04 Verfahren zur Herstellung von neuen Diglycidylverbindungen
DE19712104279 DE2104279A1 (en) 1968-11-11 1971-01-29 Diglycidyl derivs of heterocyclic cpds
GB1334462D GB1334462A (en) 1968-11-11 1971-04-19 Hydroxy derivatives of n-heterocyclic compounds and processes for their manufacture
US00210211A US3772326A (en) 1968-11-11 1971-12-20 Diglycidyl compounds of monohydroxyalkyl hydantoins
US05/541,911 US4161594A (en) 1968-11-11 1975-01-17 Dialcohols
US05/956,523 US4227005A (en) 1968-11-11 1978-10-31 Dialcohols

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1662271A CH523279A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidylverbindungen von N-heterocyclischen Verbindungen und deren Verwendung
CH1680368A CH523278A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidyläthern von N-heterocyclischen Verbindungen und deren Verwendung
CH134870A CH557398A (de) 1968-11-11 1970-01-30 Epoxidharzmischung.

Publications (1)

Publication Number Publication Date
CH557398A true CH557398A (de) 1974-12-31

Family

ID=27172919

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1680368A CH523278A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidyläthern von N-heterocyclischen Verbindungen und deren Verwendung
CH1662271A CH523279A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidylverbindungen von N-heterocyclischen Verbindungen und deren Verwendung
CH134870A CH557398A (de) 1968-11-11 1970-01-30 Epoxidharzmischung.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH1680368A CH523278A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidyläthern von N-heterocyclischen Verbindungen und deren Verwendung
CH1662271A CH523279A (de) 1968-11-11 1968-11-11 Verfahren zur Herstellung von neuen Diglycidylverbindungen von N-heterocyclischen Verbindungen und deren Verwendung

Country Status (9)

Country Link
US (4) US3629263A (de)
AT (3) AT293433B (de)
BE (2) BE741506A (de)
CH (3) CH523278A (de)
DE (2) DE1966743A1 (de)
FR (2) FR2022997A1 (de)
GB (3) GB1290728A (de)
NL (2) NL6916903A (de)
SE (1) SE391924B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016175668A1 (en) 2015-04-28 2016-11-03 Politechnika Rzeszowska Preparation method for 1-phenyl-2,6-bis(2-hydroxyethyl)imidazo[1,5-c]quinazoline-3,5-dione and 1-phenyl-2,6-bis(2-hydroxypropyl)imidazo[1,5-c]quinazoline-3,5-dione

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161594A (en) * 1968-11-11 1979-07-17 Ciba-Geigy Ag Dialcohols
US3882137A (en) * 1969-11-18 1975-05-06 Ciba Geigy Corp Bis-hydantoin dialcohols
CH532158A (de) * 1969-12-10 1972-12-31 Ciba Geigy Ag Verwendung N-heterocyclischer Perfluoralkylmonocarbonsäureester zum Veredeln von textilem Fasermaterial
US3948916A (en) * 1970-04-20 1976-04-06 Ciba-Geigy Ag Diglycidyl compounds of N-heterocyclic compounds
CH547820A (de) * 1970-05-22 1974-04-11 Ciba Geigy Ag Verfahren zur herstellung von neuen 5-nitrofurylderivaten.
US4024146A (en) * 1971-04-16 1977-05-17 Ciba-Geigy Corporation Diacrylic acid ester derivatives of uracil compounds
US3852302A (en) * 1971-04-16 1974-12-03 Ciba Geigy Corp Diacrylic acid ester derivatives of hydantoin compounds
US4001236A (en) * 1972-06-23 1977-01-04 Ciba-Geigy Corporation Polyglycidyl compounds containing n-heterocyclic structure
US3956309A (en) * 1972-06-23 1976-05-11 Ciba-Geigy Corporation Polyglycidyl compounds containing N-heterocyclic structure
CH581131A5 (de) * 1972-06-23 1976-10-29 Ciba Geigy Ag
DE2245345A1 (de) * 1972-09-15 1974-03-21 Bayer Ag Hydantoinringe enthaltende polyaetherurethane und deren verwendung als antistatika
GB1446089A (en) * 1972-12-12 1976-08-11 Ciba Geigy Ag Adducts of polyglycidyl compounds and phosphonoalkyl derivatives of cyclic ureides
US3920685A (en) * 1972-12-12 1975-11-18 Ciba Geigy Corp Dialkoxyphosphonalkyl derivatives of cyclicureides containing glycidyl groups
US3943109A (en) * 1972-12-29 1976-03-09 Ciba-Geigy Corporation Diglycidylbenzimidiazolones
US3939125A (en) * 1972-12-29 1976-02-17 Ciba-Geigy Corporation Diglycidylimidazolidones
SE7411007L (de) * 1973-10-10 1975-04-11 Ciba Geigy Ag
US4093809A (en) * 1976-06-21 1978-06-06 Ciba-Geigy Corporation 5-Substituted phosphonate hydantoins and derivatives thereof
US4144120A (en) 1976-06-25 1979-03-13 Ciba-Geigy Corporation Method for treating paper with a composition containing hydantoin compounds and a copolymer
US4145247A (en) 1976-06-25 1979-03-20 Ciba-Geigy Corporation Composition, for the treatment of paper, which contains hydantoin compounds and an amine curing agent
US4167465A (en) * 1976-08-04 1979-09-11 Ciba-Geigy Corporation Unsaturated hydantoin coagents
US4104238A (en) * 1976-11-23 1978-08-01 Westinghouse Electric Corp. Silica-alumina trihydrate filled epoxy castings resistant to arced SF6
US4214928A (en) * 1976-11-29 1980-07-29 The United States Of America As Represented By The Secretary Of The Navy Dimethyl hydantoin bonding agents in solid propellants
CH633779A5 (de) * 1977-07-07 1982-12-31 Ciba Geigy Ag Verfahren zur herstellung neuer vinylaether und deren verwendung zur herstellung von polymeren.
US4258149A (en) * 1978-03-13 1981-03-24 Ciba-Geigy Corporation Process for curing saturated polymers using divinyl hydantoin coagents
US4286097A (en) * 1978-07-28 1981-08-25 Ciba-Geigy Corporation Carboxylic acid dianhydrides based on trimellitic anhydride
US4174337A (en) * 1978-10-10 1979-11-13 Ppg Industries, Inc. Hydroxy-functional esters of substituted imidazolidinediones and compositions containing same
US4187380A (en) * 1978-10-10 1980-02-05 Ppg Industries, Inc. Esters of imidazolidinedione-based triepoxides
DE2908627A1 (de) * 1979-03-06 1980-09-11 Bayer Ag Neue trishydroxyalkylheterocyclen
BE875452A (fr) * 1979-04-10 1979-10-10 Lim Holding Sa Nouveaux derives d'acides di- ou tri-isatiniques, procedes de realisation et modes d'application
US4786705A (en) * 1983-10-27 1988-11-22 Union Carbide Corporation Low viscosity adducts of a poly(active hydrogen) organic compound and a polyepoxide
US4599401A (en) * 1983-10-27 1986-07-08 Union Carbide Corporation Low viscosity adducts of poly(active hydrogen) organic compounds and a polyepoxide
US4707535A (en) * 1983-10-27 1987-11-17 Union Carbide Corporation Low viscosity adducts of a poly(active hydrogen) organic compound and polyepoxide
US4629779A (en) * 1983-10-27 1986-12-16 Union Carbide Corporation Low viscosity adducts of a polycaprolactone polyol and a polyepoxide
US4725653A (en) * 1983-10-27 1988-02-16 Union Carbide Corporation Low viscosity adducts of a polycaprolactone polyol and a polyepoxide
AU578068B2 (en) * 1984-03-08 1988-10-13 Nippon Zoki Pharmaceutical Co., Ltd. Hydantoin derivatives and pharmaceutical compositions containing them
US4672101A (en) * 1985-09-09 1987-06-09 The Dow Chemical Company Polyepoxy aromatic hydantoins
US4691021A (en) * 1985-09-09 1987-09-01 The Dow Chemical Company Aminoalkyl hydantoins and glycidyl derivatives thereof
US5489315A (en) * 1994-09-19 1996-02-06 Shell Oil Company Fuel compositions comprising hydantoin-containing polyether alcohol additives

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US3088948A (en) * 1963-05-07 Production of tris
US2211001A (en) * 1937-03-18 1940-08-13 Gen Aniline & Film Corp Oxalkyl derivatives of imidazolines
US2890132A (en) * 1954-11-03 1959-06-09 John A Howsmon Producing all skin viscose rayon
US3018246A (en) * 1958-02-03 1962-01-23 Petrolite Corp Process of preventing corrosion
US3216957A (en) * 1962-08-14 1965-11-09 Union Carbide Corp Antistatic thermoplastic vinyl resin compositions comprising oxyalkylated imidazolines
US4161594A (en) * 1968-11-11 1979-07-17 Ciba-Geigy Ag Dialcohols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016175668A1 (en) 2015-04-28 2016-11-03 Politechnika Rzeszowska Preparation method for 1-phenyl-2,6-bis(2-hydroxyethyl)imidazo[1,5-c]quinazoline-3,5-dione and 1-phenyl-2,6-bis(2-hydroxypropyl)imidazo[1,5-c]quinazoline-3,5-dione

Also Published As

Publication number Publication date
FR2022997A1 (de) 1970-08-07
US3631221A (en) 1971-12-28
CH523279A (de) 1972-05-31
GB1291187A (en) 1972-10-04
NL7006624A (de) 1971-08-03
GB1290728A (de) 1972-09-27
AT296331B (de) 1972-02-10
BE750116R (fr) 1970-11-09
AT293433B (de) 1971-10-11
CH523278A (de) 1972-05-31
SE391924B (sv) 1977-03-07
NL6916903A (de) 1970-05-13
US3629263A (en) 1971-12-21
FR2077627B2 (de) 1976-01-16
GB1290729A (de) 1972-09-27
DE2020091A1 (de) 1971-08-19
AT298807B (de) 1972-05-25
DE1966743A1 (de) 1973-11-15
BE741506A (de) 1970-05-11
US3772326A (en) 1973-11-13
FR2077627A2 (de) 1971-10-29
US4227005A (en) 1980-10-07

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