ES8609318A1 - Procedimiento para la obtencion de derivados de imidazol (i,5-a)-piridina - Google Patents

Procedimiento para la obtencion de derivados de imidazol (i,5-a)-piridina

Info

Publication number
ES8609318A1
ES8609318A1 ES528181A ES528181A ES8609318A1 ES 8609318 A1 ES8609318 A1 ES 8609318A1 ES 528181 A ES528181 A ES 528181A ES 528181 A ES528181 A ES 528181A ES 8609318 A1 ES8609318 A1 ES 8609318A1
Authority
ES
Spain
Prior art keywords
phenylene
alkylene
thio
oxy
alkenylene
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
ES528181A
Other languages
English (en)
Other versions
ES528181A0 (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.)
Novartis AG
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
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES528181A0 publication Critical patent/ES528181A0/es
Publication of ES8609318A1 publication Critical patent/ES8609318A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/36Radicals substituted by singly-bound nitrogen atoms
    • C07D213/40Acylated substituent nitrogen atom
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00Drugs for disorders of the blood or the extracellular fluid
    • A61P7/02Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/36Radicals substituted by singly-bound nitrogen atoms
    • C07D213/38Radicals substituted by singly-bound nitrogen atoms having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/54Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/55Acids; Esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/65One oxygen atom attached in position 3 or 5
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/78Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/84Nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/89Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Diabetes (AREA)
  • Hematology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyridine Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE IMIDAZO(1,5-A)PIRIDINA. CONSISTE EN CICLIZAR A UN COMPUESTO DE FORMULA (II) CON UN ACIDO DE LEWIS COMO OXICLORURO DE FOSFORO EN TOLUENO Y ENTRE 25 Y 150JC, PARA OBTENER UN COMPUESTO DE FORMULA (I), SALES FARMACEUTICAMENTE UTILIZABLES DE ADICION DE ACIDOS Y SUS 5,6,7,8-TETRAHIDRODERIVADOS. SIENDO: A, ETENILENO INSUSTITUIDO POR ALQUILO INFERIOR O UN ENLACE; B, ALQUILENO DE C 1 A 12 FENILEN-ALQUILENO INFERIOR Y OTRIS; C Y CK, FORMILO HIDROXIMETILO Y OTROS; R1, H, HAL, ALCOXI INFERIOR Y OTROS; R2, H, HAL O ALQUILO INFERIOR; Y RK2 Y RL2, H O ALQUILO INFERIOR. SE UTILIZAN COMO AGENTES CARDIOVASCULARES PARA LA INHIBICION DE LA SINTETASA DE TROMBOXANO EN MAMIFEROS (RATONES, GATOS, PERROS O MONOS).
ES528181A 1982-12-21 1983-12-19 Procedimiento para la obtencion de derivados de imidazol (i,5-a)-piridina Expired ES8609318A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/451,902 US4588732A (en) 1982-12-21 1982-12-21 Certain imidazo(1,5-a)pyridine derivatives and their use as thromboxane synthetase inhibitors

Publications (2)

Publication Number Publication Date
ES528181A0 ES528181A0 (es) 1986-09-01
ES8609318A1 true ES8609318A1 (es) 1986-09-01

Family

ID=23794170

Family Applications (1)

Application Number Title Priority Date Filing Date
ES528181A Expired ES8609318A1 (es) 1982-12-21 1983-12-19 Procedimiento para la obtencion de derivados de imidazol (i,5-a)-piridina

Country Status (20)

Country Link
US (1) US4588732A (es)
EP (1) EP0114573B1 (es)
JP (1) JPS59118785A (es)
KR (1) KR910000440B1 (es)
AR (1) AR244226A1 (es)
AT (1) ATE33651T1 (es)
AU (1) AU576484B2 (es)
CA (1) CA1250845A (es)
DE (1) DE3376324D1 (es)
DK (1) DK160763C (es)
ES (1) ES8609318A1 (es)
FI (1) FI78089C (es)
GR (1) GR81356B (es)
IE (1) IE56422B1 (es)
IL (1) IL70485A (es)
NO (1) NO161319C (es)
NZ (1) NZ206652A (es)
PH (1) PH23147A (es)
PT (1) PT77858B (es)
ZA (1) ZA839439B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728645A (en) * 1982-12-21 1988-03-01 Ciba-Geigy Corporation Substituted imidazo[1,5-A]pyridine derivatives and other substituted bicyclic derivatives, useful as aromatase inhibitors
US4889861A (en) * 1982-12-21 1989-12-26 Ciba-Geigy Corp. Substituted imidazo[1,5-a]pyridine derivatives and other substituted bicyclic derivatives and their use as aromatase inhibitors
US4617307A (en) * 1984-06-20 1986-10-14 Ciba-Geigy Corporation Substituted imidazo[1,5-A]pyridine derivatives as aromatase inhibitors
US5171859A (en) * 1985-06-05 1992-12-15 Schering A.G. Certain 2-aminomethyl-3-phenyl-pyridine intermediates for certain 8-phenyl-imidazo[1,5-a]pyridines
US5026712A (en) * 1985-06-05 1991-06-25 Schering Ag Novel imidazo[1,5-a]pyridines, useful as cardiovascular and CNS agents
US5057521A (en) * 1988-10-26 1991-10-15 Ciba-Geigy Corporation Use of bicyclic imidazole compounds for the treatment of hyperaldosteronism
US5716964A (en) * 1989-12-04 1998-02-10 G.D. Searle & Co. Tetrazolyl substituted imidazo 1,2-a!pyridinylalkyl compounds for treatment of neurotoxic injury
IE904346A1 (en) * 1989-12-04 1991-06-05 Searle & Co IMIDAZO[1,2-a]PYRIDINYLALKYL COMPOUNDS FOR TREATMENT OF¹NEUROTOXIC INJURY
KR910011852A (ko) * 1989-12-04 1991-08-07 폴 디. 매튜카이티스 신경독 장해 치료용 이미다조[1,2-a]피리디닐알킬 화합물
MTP1076B (en) * 1990-01-12 1991-09-30 Ciba Geigy Ag Hemihydrate
US5336679A (en) * 1990-05-25 1994-08-09 Yamanouchi Pharmaceutical Co., Ltd. Tetrahydroimidazopyridine derivatives and salts thereof
US5468757A (en) * 1994-01-31 1995-11-21 Eli Lilly And Company 6-azaindole thromboxane synthase inhibitors
BR0316306A (pt) * 2002-11-18 2005-09-27 Novartis Ag Compostos orgânicos

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124517B1 (es) * 1971-03-15 1976-07-24
GB2016452B (en) * 1978-02-18 1982-07-21 Kissei Pharmaceutical Imidazole compounds
JPS6050190B2 (ja) * 1978-05-02 1985-11-07 小野薬品工業株式会社 イミダゾ−ル誘導体
JPS55313A (en) * 1978-06-13 1980-01-05 Kissei Pharmaceut Co Ltd Imidazole derivative
DK471479A (da) * 1978-12-13 1980-06-14 Pfizer Fremgangsmaade til fremstilling af imidazolderivater og salte deraf
FR2449689A1 (fr) * 1979-02-20 1980-09-19 Logeais Labor Jacques Nouveaux derives condenses de pyrrolidine ou de piperidine, leur procede de preparation et leurs applications en therapeutique
GB2101595B (en) * 1981-06-22 1985-05-30 Ciba Geigy Ag Substituted imidazo(1,5-a)pyridines, process for their manufacture, pharmaceutical preparations containing these compounds and their therapeutic application
US4444775A (en) * 1981-06-22 1984-04-24 Ciba-Geigy Corporation Substituted imidazo[1,5-A]pyridines
US4409226A (en) * 1981-10-05 1983-10-11 Schering Corporation Imidazo[1,5-a]pyridines
US4361567A (en) * 1981-10-05 1982-11-30 Schering Corporation Treatment of peptic ulcer disease
US4470986A (en) * 1982-12-21 1984-09-11 Ciba-Geigy Corporation Certain imidazo (1,5-A) pyridine aliphatic carboxylic acid derivatives and their use as selective thromboxane inhibitors

Also Published As

Publication number Publication date
KR840007001A (ko) 1984-12-04
ES528181A0 (es) 1986-09-01
AU576484B2 (en) 1988-09-01
NO161319C (no) 1989-08-02
NZ206652A (en) 1986-11-12
DK586483D0 (da) 1983-12-20
IL70485A (en) 1987-02-27
DK160763B (da) 1991-04-15
AU2270383A (en) 1984-06-28
NO834711L (no) 1984-06-22
FI834665A (fi) 1984-06-22
AR244226A1 (es) 1993-10-29
ATE33651T1 (de) 1988-05-15
DK160763C (da) 1991-09-30
NO161319B (no) 1989-04-24
IE56422B1 (en) 1991-07-31
PT77858B (en) 1986-05-08
FI78089C (fi) 1989-06-12
EP0114573A1 (de) 1984-08-01
PH23147A (en) 1989-05-11
IE833008L (en) 1984-06-21
JPS59118785A (ja) 1984-07-09
CA1250845A (en) 1989-03-07
KR910000440B1 (ko) 1991-01-25
DE3376324D1 (de) 1988-05-26
DK586483A (da) 1984-06-22
FI78089B (fi) 1989-02-28
PT77858A (en) 1984-01-01
EP0114573B1 (de) 1988-04-20
GR81356B (es) 1984-12-11
IL70485A0 (en) 1984-03-30
US4588732A (en) 1986-05-13
ZA839439B (en) 1984-07-25
FI834665A0 (fi) 1983-12-19
JPH047348B2 (es) 1992-02-10

Similar Documents

Publication Publication Date Title
ES8609318A1 (es) Procedimiento para la obtencion de derivados de imidazol (i,5-a)-piridina
RU93058253A (ru) Соединения-антибиотики, способы их получения, промежуточные соединения, фармкомпозиция, способ лечения
RU2004109812A (ru) Ингибиторы цистеинпротеазы 2-циано-4-аминопиримидинового строения с ингибирующим действием на катепсин к для лечения воспалительных и других заболеваний
UA27252C2 (uk) Похідні піразоло[1,5-а]піридину, які є антагоністами аденозину, та спосіб їх отримання
AR010743A1 (es) Compuestos de pirazol, utiles como inhibidores de la liberacion de acidos grasos mediada por la fosfolipasa a2 secretora no pancreatica humana.procedimientos para preparar dichos compuestos y composiciones farmaceuticas formuladas con dichos compuestos
HUP0302336A2 (hu) 5-Klór-3-(4-metánszulfonilfenil)-6'-metil-[2,3']bipiridinil tiszta formában és eljárás előállítására
JP2004532185A5 (es)
FR2678618B1 (fr) Nouveaux derives de triazolo pyrimidine antagonistes des recepteurs a l'angiotensine ii; leurs procedes de preparation, compositions pharmaceutiques les contenant.
ES8608508A1 (es) Procedimiento para la obtencion de 2-piridil-indoles n-sustituidos
IE851821L (en) Anticoagulant composition
EP0150505A3 (en) 3-indolecarboxamide compounds
EP1227099B1 (en) Fused Pyrazolyl compounds
ES8706629A1 (es) Procedimiento para la preparacion de 2- (piridil e imidazolil)-indoles.
US4457932A (en) Anti-ulcer agents
ES8600276A1 (es) Procedimiento para preparar nuevos n-sustituido-2-(1-imidazolil)-indoles
ES431497A1 (es) Procedimiento para preparar un derivado de s-triazol (1,5- a) piridina.
US4210662A (en) Side chain sulphoxide metabolites
RU93053036A (ru) α,ω -ДИАРИЛАЛКАНОВЫЕ ПРОИЗВОДНЫЕ, ФАРМАЦЕВТИЧЕСКАЯ КОМПОЗИЦИЯ И СПОСОБ ПОЛУЧЕНИЯ УКАЗАННЫХ ПРОИЗВОДНЫХ
ES8502996A1 (es) Procedimiento para la obtencion de imidazo (1,5-a)piridinas
EP0451538A3 (en) Use of pyridoindole derivatives in the treatment of ischemic disorders
YU70180A (en) Process for obtaining tetracyclic indole derivatives
IL66439A0 (en) Heteroarylpropanolamines,process for their preparation and pharmaceutical compositions containing the same
DE3160044D1 (en) 2,3-dihydroimidazo (1,2-b) pyridazine derivatives, process for their preparation and their therapeutical use
DE3469300D1 (en) Triazolo pyrimidine derivatives, process for their preparation and their therapeutical use as cardiotonics
ES8405409A1 (es) Un procedimiento para la preparacion de derivados de b-lactama.

Legal Events

Date Code Title Description
PC1A Transfer granted
FD1A Patent lapsed

Effective date: 20041102