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ES8607326A1 - Procedimiento de preparacion de derivados aminometilfosfoni-cos - Google Patents

Procedimiento de preparacion de derivados aminometilfosfoni-cos

Info

Publication number
ES8607326A1
ES8607326A1 ES547467A ES547467A ES8607326A1 ES 8607326 A1 ES8607326 A1 ES 8607326A1 ES 547467 A ES547467 A ES 547467A ES 547467 A ES547467 A ES 547467A ES 8607326 A1 ES8607326 A1 ES 8607326A1
Authority
ES
Spain
Prior art keywords
herbicides
type
denotes
hydrogen atom
group
Prior art date
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
ES547467A
Other languages
English (en)
Other versions
ES547467A0 (es
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.)
Bayer CropScience SA
Original Assignee
Rhone Poulenc Agrochimie SA
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 claimed from FR8312620A external-priority patent/FR2549839B1/fr
Priority claimed from FR8402988A external-priority patent/FR2560198B1/fr
Application filed by Rhone Poulenc Agrochimie SA filed Critical Rhone Poulenc Agrochimie SA
Publication of ES547467A0 publication Critical patent/ES547467A0/es
Publication of ES8607326A1 publication Critical patent/ES8607326A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/44—Amides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3813—N-Phosphonomethylglycine; Salts or complexes thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing aromatic radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4006—Esters of acyclic acids which can have further substituents on alkyl

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO DE PREPARACION DE DERIVADOS AMONOMETILFOSFONICOS. CONSISTE EN HACER REACCIONAR A UN ESTER FOSFONICO DE FORMULA (II) CON FORMALDEHIDO Y CON UN DERIVADO SUSTITUIDO EN N DE LA GLICINA DE FORMULA (R4-NH-CH2-CO-O-R7), A UNA TEMPERATURA ENTRE 20 Y 90JC, PARA OBTENER UN COMPUESTO DE FORMULA (I) Y SUS SALES ACEPTABLES EN AGRICULTURA. SIENDO; R2, R3 Y R7 OR2 Y OR3 GRUPO HIDROLIZABLES COMO ALQUILOS; R4 H O R8; R8 ARR5R6C- Y R5 Y R6 H, RADICAL AR O UN GRUPO ALQUILO DE C 6. SE UTILIZAN COMO HERBICIDAS.
ES547467A 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos Expired ES8607326A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8312620A FR2549839B1 (fr) 1983-07-27 1983-07-27 Nouveaux herbicides a groupe sulfonamide derives de la n-phosphonomethyl glycine
FR8402988A FR2560198B1 (fr) 1984-02-23 1984-02-23 Esters de la famille de la n-phosphonomethylglycine et leur utilisation pour la preparation d'herbicides connus

Publications (2)

Publication Number Publication Date
ES547467A0 ES547467A0 (es) 1986-05-16
ES8607326A1 true ES8607326A1 (es) 1986-05-16

Family

ID=26223542

Family Applications (8)

Application Number Title Priority Date Filing Date
ES534413A Granted ES534413A0 (es) 1983-07-27 1984-07-18 Procedimiento de preparacion de sulfonamidas con grupo ansinometilfosfonico
ES547467A Expired ES8607326A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos
ES547471A Expired ES8607330A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547468A Expired ES8607327A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos
ES547465A Expired ES8605527A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547470A Expired ES8607329A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547466A Expired ES8605528A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos
ES547469A Expired ES8607328A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES534413A Granted ES534413A0 (es) 1983-07-27 1984-07-18 Procedimiento de preparacion de sulfonamidas con grupo ansinometilfosfonico

Family Applications After (6)

Application Number Title Priority Date Filing Date
ES547471A Expired ES8607330A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547468A Expired ES8607327A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos
ES547465A Expired ES8605527A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547470A Expired ES8607329A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
ES547466A Expired ES8605528A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de derivados aminometilfosfoni-cos
ES547469A Expired ES8607328A1 (es) 1983-07-27 1985-10-01 Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico

Country Status (25)

Country Link
US (2) US4738708A (es)
EP (2) EP0272508A3 (es)
KR (1) KR850001224A (es)
AR (1) AR240945A1 (es)
AT (1) ATE43603T1 (es)
AU (1) AU582120B2 (es)
BG (1) BG41475A3 (es)
BR (1) BR8403732A (es)
CA (2) CA1256446A (es)
DD (1) DD218544A5 (es)
DE (1) DE3478441D1 (es)
DK (1) DK364984A (es)
EG (1) EG17125A (es)
ES (8) ES534413A0 (es)
FI (1) FI78704C (es)
GB (2) GB2144425B (es)
GR (1) GR82228B (es)
IL (1) IL72488A (es)
NZ (1) NZ209010A (es)
OA (1) OA07757A (es)
PH (2) PH21384A (es)
PL (1) PL141870B1 (es)
PT (1) PT78984B (es)
RO (1) RO89639A (es)
TR (1) TR22114A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES534413A0 (es) * 1983-07-27 1986-01-01 Rhone Poulenc Agrochimie Procedimiento de preparacion de sulfonamidas con grupo ansinometilfosfonico
FR2576024B1 (fr) * 1985-01-14 1988-01-08 Rhone Poulenc Agrochimie Herbicides de type n - (phosphonomethylglycyl) sulfonylamines
FR2576181B1 (fr) * 1985-01-23 1987-04-03 Rhone Poulenc Agrochimie Melanges herbicides a base de compose de type n-(phosphonomethylglycyl)
FR2579210B1 (fr) * 1985-03-21 1987-09-11 Rhone Poulenc Agrochimie Preparation d'herbicides a groupe phosphonates et d'intermediaires a partir de benzoxazines
FR2590901B1 (fr) * 1985-12-04 1988-07-29 Rhone Poulenc Agrochimie Procede de preparation de n-sulfonyl n-(phosphonomethyl-glycyl) amines utilisables comme herbicides
FR2611204B1 (fr) * 1987-02-19 1989-05-05 Rhone Poulenc Agrochimie Composes intermediaires utiles pour la preparation d'herbicides
WO1992011764A1 (en) * 1991-01-08 1992-07-23 Monsanto Company Improved herbicidal formulation
DE4326887A1 (de) * 1993-08-11 1995-02-16 Hoechst Ag Verfahren zur Herstellung von N-substituierten Aminoalkylenphosphonsäureestern
US6505420B1 (en) 1996-02-09 2003-01-14 Reebok International Ltd. Cushioning member for an article of footwear
US7943388B2 (en) * 2003-11-14 2011-05-17 3M Innovative Properties Company Acoustic sensors and methods
JP5173193B2 (ja) 2003-11-14 2013-03-27 スリーエム イノベイティブ プロパティズ カンパニー Ｎ−スルホニルアミノカルボニル含有化合物
US7361767B2 (en) * 2003-11-14 2008-04-22 3M Innovative Properties Company N-sulfonyldicarboximide containing tethering compounds
US7169933B2 (en) * 2003-11-14 2007-01-30 3M Innovative Properties Company N-sulfonylaminocarbonyl containing compounds
US7423155B2 (en) * 2003-11-14 2008-09-09 3M Innovative Properties Company N-sulfonyldicarboximide containing tethering compounds
ATE542425T1 (de) * 2004-09-17 2012-02-15 Monsanto Technology Llc Glyphosate-formulierungen mit früh auftretenden verbrennungssymptomen
US7544754B2 (en) 2005-09-30 2009-06-09 3M Innovative Properties Company Crosslinked polymers with amine binding groups
US7544756B2 (en) * 2005-09-30 2009-06-09 3M Innovative Properties Company Crosslinked polymers with amine binding groups

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160632A (en) * 1961-01-30 1964-12-08 Stauffer Chemical Co Aminomethylenephosphinic acids, salts thereof, and process for their production
CA775575A (en) * 1961-11-13 1968-01-09 R. Irani Riyad Organic phosphorus compounds
US3455675A (en) * 1968-06-25 1969-07-15 Monsanto Co Aminophosphonate herbicides
PH16509A (en) * 1971-03-10 1983-11-08 Monsanto Co N-phosphonomethylglycine phytotoxicant composition
US3799758A (en) * 1971-08-09 1974-03-26 Monsanto Co N-phosphonomethyl-glycine phytotoxicant compositions
US3977860A (en) * 1971-08-09 1976-08-31 Monsanto Company Herbicidal compositions and methods employing esters of N-phosphonomethylglycine
US4659860A (en) * 1971-08-09 1987-04-21 Monsanto Company Thioester of n-phosphonomethylglycine
GB1436843A (en) * 1972-07-21 1976-05-26 Ici Ltd Preparation of n-phosphonomethyl-glycine
RO67869A (ro) * 1972-12-11 1981-06-22 Mensanto Co,Us Procedeu pentru prepararea unor derivati ai n-fosfonometil-gliciu n-oxizilor
US3835000A (en) * 1972-12-21 1974-09-10 Monsanto Co Electrolytic process for producing n-phosphonomethyl glycine
US3868407A (en) * 1973-11-21 1975-02-25 Monsanto Co Carboxyalkyl esters of n-phosphonomethyl glycine
US3948975A (en) * 1974-08-05 1976-04-06 Monsanto Company Hydroxyalkyl esters of N-phosphonomethyl glycine
US3993467A (en) * 1974-08-05 1976-11-23 Monsanto Company Hydroxyalkyl esters of N-phosphonomethyl glycine and the herbicidal use thereof
US3972915A (en) * 1974-08-14 1976-08-03 Monsanto Company N-phosphonomethylglycine phenyl hydrazides
US3927080A (en) * 1974-09-03 1975-12-16 Monsanto Co Process for producing N-phosphonomethyl glycine
US4405531A (en) * 1975-11-10 1983-09-20 Monsanto Company Salts of N-phosphonomethylglycine
US4106923A (en) * 1975-11-10 1978-08-15 Monsanto Company Phosphonomethyl glycine ester anhydrides, herbicidal composition containing same and use thereof
DE2860342D1 (en) * 1977-08-11 1981-02-12 Ciba Geigy Ag Glycylmethyl-phosphinic acid derivatives, their preparation and their use
US4140132A (en) * 1978-03-23 1979-02-20 Dahl Joseph D Variable rate timer for a cardiac pacemaker
US4395276A (en) * 1980-06-18 1983-07-26 Monsanto Company Thiosulfenamide derivatives of N-phosphonomethylglycinonitriles as herbicides
US4428755A (en) * 1980-07-09 1984-01-31 General Electric Company Process for the production of silicone carbide composite
US4315765A (en) * 1980-12-04 1982-02-16 Stauffer Chemical Company Trialkylsulfonium salts of n-phosphonomethylglycine and their use as plant growth regulators and herbicides
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EP0055695A1 (de) * 1980-12-30 1982-07-07 Ciba-Geigy Ag Verfahren zur Herstellung von N-phosphonomethylglycin
US4395374A (en) * 1981-01-02 1983-07-26 Monsanto Company Alkyl N-arylsulfenyl-N-diaryloxy-phosphinylmethylglycinates
US4666500A (en) * 1981-01-02 1987-05-19 Monsanto Company Alkyl N-arylsulfenyl-N-diaryloxy-phosphinylmethylglycinates
US4388103A (en) * 1981-06-19 1983-06-14 Monsanto Company Alkylphosphonate monoesters of N-phosphonomethylglycinate as herbicides
US4525202A (en) * 1981-08-24 1985-06-25 Stauffer Chemical Co. Phosphonium salts of N-phosphonomethylglycine and their use as herbicides and plant growth regulants
US4405356A (en) * 1981-08-31 1983-09-20 Monsanto Company Ester derivatives of N-arylsulfinyl-N-phosphonomethylglycinates as herbicides
US4445928A (en) * 1981-10-05 1984-05-01 Monsanto Company Herbicidal aminosulfenamide derivatives of N-phosphonomethylglycine triesters
US4401604A (en) * 1981-10-05 1983-08-30 Monsanto Company Process for preparing thiosulfenamide derivatives of N-phosphonomethylglycine triesters
US4401455A (en) * 1981-10-05 1983-08-30 Monsanto Company Ester derivatives of N-alkylthio- N-cycloalkyl thio-N-phosphonomethylglycine and herbicidal methods using same
US4554009A (en) * 1981-10-05 1985-11-19 Monsanto Company Method of controlling undesired plants with thiosulfenamide derivatives of n-phosphonomethylglycinonitriles
US4407763A (en) * 1981-10-05 1983-10-04 Monsanto Company Thiosulfenamide derivatives of N-phosphonomethylglycinonitriles
US4508663A (en) * 1981-10-05 1985-04-02 Monsanto Company Process for preparing thiosulfenamide derivatives of N-phosphonomethylglycinonitriles
US4368162A (en) * 1981-11-02 1983-01-11 Ciba-Geigy Corporation Process for producing aminomethylphosphonic acid
US4486358A (en) * 1982-06-24 1984-12-04 Ciba-Geigy Corporation Process for producing N-phosphonomethylglycine
IL65187A (en) * 1982-03-08 1985-03-31 Geshuri Lab Ltd N-phosphonomethylglycine derivatives,processes for their preparation and herbicidal compositions containing them
US4427599A (en) * 1982-06-22 1984-01-24 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
US4534902A (en) * 1982-06-22 1985-08-13 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
US4476063A (en) * 1982-06-22 1984-10-09 Stauffer Chemical Company N-Acylaminomethyl-N-cyanomethyl phosphonates
US4422982A (en) * 1982-06-30 1983-12-27 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
US4482504A (en) * 1982-08-30 1984-11-13 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
US4534904A (en) * 1982-11-19 1985-08-13 Ciba-Geigy Corporation Process for producing N-phosphonomethylglycine
US4439373A (en) * 1982-12-27 1984-03-27 Stauffer Chemical Company Process for preparing phosphonomethylated amino acids
US4491548A (en) * 1983-04-28 1985-01-01 Stauffer Chemical Company Process for preparing phosphonomethylated amino acids
ES534413A0 (es) * 1983-07-27 1986-01-01 Rhone Poulenc Agrochimie Procedimiento de preparacion de sulfonamidas con grupo ansinometilfosfonico
EP0141794A1 (en) * 1983-08-04 1985-05-15 Monsanto Company Aralower alkyl and substituted aralower alkyl esters of N-phosphonomethylglycines
FR2575161B1 (fr) * 1984-12-26 1989-03-31 Rhone Poulenc Agrochimie Preparation d'intermediaires phosphores pour usages herbicides

Also Published As

Publication number Publication date
BR8403732A (pt) 1985-07-02
EP0135454B1 (fr) 1989-05-31
ES8605528A1 (es) 1986-03-16
ES547465A0 (es) 1986-03-16
ES8607330A1 (es) 1986-05-16
AU3113384A (en) 1985-01-31
ES547466A0 (es) 1986-03-16
OA07757A (fr) 1985-08-30
EP0272508A3 (fr) 1988-10-05
FI842960A (fi) 1985-01-28
ES8607328A1 (es) 1986-05-16
GB2144425B (en) 1988-06-29
US4894082A (en) 1990-01-16
US4738708A (en) 1988-04-19
ES547469A0 (es) 1986-05-16
GB2193497B (en) 1988-06-29
PL248926A1 (en) 1985-08-27
AR240945A1 (es) 1991-03-27
BG41475A3 (en) 1987-06-15
FI842960A0 (fi) 1984-07-25
PH21384A (en) 1987-10-15
ES547470A0 (es) 1986-05-16
FI78704C (fi) 1989-09-11
RO89639A (ro) 1986-06-30
ES547467A0 (es) 1986-05-16
GB8418961D0 (en) 1984-08-30
AU582120B2 (en) 1989-03-16
EP0272508A2 (fr) 1988-06-29
PT78984A (fr) 1984-08-01
ES547471A0 (es) 1986-05-16
GB2144425A (en) 1985-03-06
ES8607329A1 (es) 1986-05-16
DK364984D0 (da) 1984-07-26
NZ209010A (en) 1990-12-21
FI78704B (fi) 1989-05-31
PT78984B (fr) 1986-10-23
ES547468A0 (es) 1986-05-16
CA1256446A (en) 1989-06-27
ES8605527A1 (es) 1986-03-16
TR22114A (tr) 1986-04-25
KR850001224A (ko) 1985-03-16
DD218544A5 (de) 1985-02-13
GR82228B (es) 1984-12-13
IL72488A (en) 1989-01-31
AR240945A2 (es) 1991-03-27
ES8603901A1 (es) 1986-01-01
CA1249598A (en) 1989-01-31
DK364984A (da) 1985-01-28
GB8626464D0 (en) 1986-12-03
PL141870B1 (en) 1987-09-30
DE3478441D1 (en) 1989-07-06
ES8607327A1 (es) 1986-05-16
EP0135454A1 (fr) 1985-03-27
EG17125A (en) 1991-03-30
PH21723A (en) 1988-02-05
GB2193497A (en) 1988-02-10
ATE43603T1 (de) 1989-06-15
ES534413A0 (es) 1986-01-01
IL72488A0 (en) 1984-11-30

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