ES535439A0 - Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos - Google Patents

Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos

Info

Publication number
ES535439A0
ES535439A0 ES535439A ES535439A ES535439A0 ES 535439 A0 ES535439 A0 ES 535439A0 ES 535439 A ES535439 A ES 535439A ES 535439 A ES535439 A ES 535439A ES 535439 A0 ES535439 A0 ES 535439A0
Authority
ES
Spain
Prior art keywords
carbon atoms
hydrogen
different
methyl
homopiperazinyl
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.)
Granted
Application number
ES535439A
Other languages
English (en)
Other versions
ES8600229A1 (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.)
BOEHRINGER INGELHEIM Ltd
Boehringer Ingelheim Corp
Original Assignee
BOEHRINGER INGELHEIM Ltd
Boehringer Ingelheim Corp
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 BOEHRINGER INGELHEIM Ltd, Boehringer Ingelheim Corp filed Critical BOEHRINGER INGELHEIM Ltd
Publication of ES8600229A1 publication Critical patent/ES8600229A1/es
Publication of ES535439A0 publication Critical patent/ES535439A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
    • C07D295/18—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
    • C07D295/182—Radicals derived from carboxylic acids
    • C07D295/185—Radicals derived from carboxylic acids from aliphatic carboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/08—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 not condensed with other rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/06—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by halogen atoms or nitro radicals
    • C07D295/073—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by halogen atoms or nitro radicals with the ring nitrogen atoms and the substituents separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/092—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings with aromatic radicals attached to the chain
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/096—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
    • C07D295/104—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/108—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/14—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D295/145—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES535439A 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos Granted ES535439A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47700883A 1983-03-21 1983-03-21

Publications (2)

Publication Number Publication Date
ES8600229A1 ES8600229A1 (es) 1985-09-16
ES535439A0 true ES535439A0 (es) 1985-09-16

Family

ID=23894132

Family Applications (4)

Application Number Title Priority Date Filing Date
ES530762A Granted ES530762A0 (es) 1983-03-21 1984-03-20 Procedimiento para preparar nuevos bis-(piperazinil-u homopiperazinil)-alcanos
ES535438A Expired ES8600228A1 (es) 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos
ES535440A Expired ES8600230A1 (es) 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos
ES535439A Granted ES535439A0 (es) 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos

Family Applications Before (3)

Application Number Title Priority Date Filing Date
ES530762A Granted ES530762A0 (es) 1983-03-21 1984-03-20 Procedimiento para preparar nuevos bis-(piperazinil-u homopiperazinil)-alcanos
ES535438A Expired ES8600228A1 (es) 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos
ES535440A Expired ES8600230A1 (es) 1983-03-21 1984-08-27 Procedimiento para preparar nuevos bis-(piperazinil- u homopiperazinil)-alcanos

Country Status (24)

Country Link
EP (1) EP0122488B1 (es)
JP (1) JPS59176265A (es)
KR (1) KR890000487B1 (es)
AT (1) ATE43843T1 (es)
AU (1) AU568122B2 (es)
CA (1) CA1218652A (es)
CS (1) CS254971B2 (es)
DD (1) DD219642A5 (es)
DE (1) DE3478601D1 (es)
DK (1) DK166022C (es)
ES (4) ES530762A0 (es)
FI (1) FI80269C (es)
GR (1) GR81827B (es)
HU (1) HU191599B (es)
IE (1) IE57136B1 (es)
IL (1) IL71291A (es)
NO (1) NO162907C (es)
NZ (1) NZ207554A (es)
PH (1) PH25216A (es)
PL (2) PL141127B1 (es)
PT (1) PT78278B (es)
SU (2) SU1574174A3 (es)
YU (2) YU45598B (es)
ZA (1) ZA842037B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692448A (en) * 1984-11-20 1987-09-08 Boehringer Ingelheim Pharmaceuticals, Inc. Bis(arylpiperazinyl)sulfur compounds
JPS645287Y2 (es) * 1984-11-20 1989-02-09
CA2180190A1 (en) * 1995-07-10 1997-01-11 Kazumi Ogata Benzylpiperazine derivatives
CA2320971A1 (en) * 1998-02-19 1999-08-26 Seiichi Sato Cyclic amide compounds
US6897305B2 (en) * 1998-06-08 2005-05-24 Theravance, Inc. Calcium channel drugs and uses
US7101909B2 (en) 1998-10-12 2006-09-05 Theravance, Inc. Calcium channel drugs and uses
CN1240699C (zh) 1999-05-18 2006-02-08 帝人株式会社 与趋化因子有关的疾病的治疗或预防药物
CA2378499A1 (en) * 1999-08-04 2001-02-15 Teijin Limited Cyclic amine ccr3 antagonists
MY131890A (en) * 2001-03-13 2007-09-28 Schering Corp Piperidine compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA675224A (en) * 1963-12-03 Gabler Rudolf Piperazine derivatives
JPS5914032B2 (ja) * 1976-04-09 1984-04-02 日本新薬株式会社 ビストリメトキシベンジルピペラジノアルカン類
US4692448A (en) * 1984-11-20 1987-09-08 Boehringer Ingelheim Pharmaceuticals, Inc. Bis(arylpiperazinyl)sulfur compounds

Also Published As

Publication number Publication date
IL71291A0 (en) 1984-06-29
NO162907B (no) 1989-11-27
DK166022B (da) 1993-03-01
PT78278A (de) 1984-04-01
FI80269C (fi) 1990-05-10
EP0122488B1 (de) 1989-06-07
ES8600229A1 (es) 1985-09-16
PL252632A1 (en) 1986-01-14
ES535438A0 (es) 1985-09-16
KR890000487B1 (ko) 1989-03-18
EP0122488A1 (de) 1984-10-24
PH25216A (en) 1991-03-27
ES8505992A1 (es) 1985-06-16
YU45598B (sh) 1992-07-20
AU568122B2 (en) 1987-12-17
DK166022C (da) 1993-08-02
AU2589184A (en) 1984-09-27
NZ207554A (en) 1987-03-31
IE840682L (en) 1984-09-21
FI841081A0 (fi) 1984-03-19
PL246774A1 (en) 1985-07-30
PL141127B1 (en) 1987-06-30
KR840008007A (ko) 1984-12-12
NO162907C (no) 1990-03-07
ES8600228A1 (es) 1985-09-16
YU48284A (en) 1987-10-31
CS254971B2 (en) 1988-02-15
IL71291A (en) 1987-11-30
ZA842037B (en) 1985-12-24
GR81827B (es) 1984-12-12
NO841078L (no) 1984-09-24
FI841081A (fi) 1984-09-22
CA1218652A (en) 1987-03-03
DE3478601D1 (de) 1989-07-13
CS196084A2 (en) 1987-07-16
HUT34016A (en) 1985-01-28
YU107286A (en) 1987-10-31
JPS59176265A (ja) 1984-10-05
IE57136B1 (en) 1992-05-06
ATE43843T1 (de) 1989-06-15
DK160184A (da) 1984-09-22
ES535440A0 (es) 1985-09-16
ES8600230A1 (es) 1985-09-16
ES530762A0 (es) 1985-06-16
DD219642A5 (de) 1985-03-13
FI80269B (fi) 1990-01-31
SU1574174A3 (ru) 1990-06-23
DK160184D0 (da) 1984-03-20
HU191599B (en) 1987-03-30
SU1568887A3 (ru) 1990-05-30
PT78278B (de) 1986-08-08

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612