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BE866038A - Derives de cephalosporine leur procede de preparation et leurs applications en therapeutiques - Google Patents

Derives de cephalosporine leur procede de preparation et leurs applications en therapeutiques

Info

Publication number
BE866038A
BE866038A BE186834A BE186834A BE866038A BE 866038 A BE866038 A BE 866038A BE 186834 A BE186834 A BE 186834A BE 186834 A BE186834 A BE 186834A BE 866038 A BE866038 A BE 866038A
Authority
BE
Belgium
Prior art keywords
preparation process
therapeutic applications
cephalosporin derivatives
cephalosporin
derivatives
Prior art date
Application number
BE186834A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE866038A publication Critical patent/BE866038A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
BE186834A 1977-04-15 1978-04-17 Derives de cephalosporine leur procede de preparation et leurs applications en therapeutiques BE866038A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2716677A DE2716677C2 (de) 1977-04-15 1977-04-15 Cephemderivate und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
BE866038A true BE866038A (fr) 1978-10-17

Family

ID=6006350

Family Applications (1)

Application Number Title Priority Date Filing Date
BE186834A BE866038A (fr) 1977-04-15 1978-04-17 Derives de cephalosporine leur procede de preparation et leurs applications en therapeutiques

Country Status (30)

Country Link
US (1) US4399131A (fr)
JP (1) JPS6052756B2 (fr)
AT (1) AT367426B (fr)
AU (1) AU526333B2 (fr)
BE (1) BE866038A (fr)
CA (1) CA1161836A (fr)
CH (1) CH643558A5 (fr)
CS (1) CS208748B2 (fr)
DD (1) DD138423A5 (fr)
DE (1) DE2716677C2 (fr)
DK (1) DK163244C (fr)
ES (3) ES468666A1 (fr)
FI (1) FI66188C (fr)
FR (1) FR2387234B1 (fr)
GB (1) GB1603212A (fr)
GR (1) GR71190B (fr)
HK (1) HK28983A (fr)
HU (1) HU184145B (fr)
IE (1) IE46535B1 (fr)
IL (1) IL54503A0 (fr)
IT (1) IT1095578B (fr)
LU (1) LU79439A1 (fr)
NL (1) NL7804019A (fr)
NO (1) NO781322L (fr)
NZ (1) NZ186968A (fr)
OA (1) OA05939A (fr)
PT (1) PT67906B (fr)
SE (1) SE447384B (fr)
YU (1) YU87378A (fr)
ZA (1) ZA782168B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331666A (en) 1979-05-11 1982-05-25 Farmitalia Carlo Erba S.P.A. 3-[(8-Carboxy-6-tetrazolo[1,5-b]pyridazinyl)-thiomethyl]-7-[2-(2-amino-4-thiazolyl)-2-methoxyimino-acetamido]-3-cephem-4-carboxylic acid
DE3212900A1 (de) * 1981-04-09 1982-11-25 Yamanouchi Pharmaceutical Co., Ltd., Tokyo Cephelosporinverbindungen
US4409217A (en) * 1977-03-14 1983-10-11 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
US4416879A (en) 1980-09-08 1983-11-22 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
US4464367A (en) * 1980-03-26 1984-08-07 Sanofi Cephalosporin derivatives, process for preparation thereof and drugs containing said derivatives usable as antibiotics
EP0251330A2 (fr) 1986-07-03 1988-01-07 F. Hoffmann-La Roche Ag Dérivés de céphalosporine, leur procédé de préparation et les compositions pharmaceutiques les contenant
US5811419A (en) * 1996-01-16 1998-09-22 Hoffmann-La Roche Inc. Isooxacephem-derivatives

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE878514A (fr) * 1978-09-04 1980-02-29 Fujisawa Pharmaceutical Co Procede de preparation de composes d'acide 3-cephem-4-carboxylique a disubstitution en positions 3 et 7, nouveaux produits ainsi obtenus et leur utilisation pour leur activite antibacterienne
BE878433A (fr) * 1978-08-31 1980-02-25 Fujisawa Pharmaceutical Co Procede de preparation de derives d'acide 3-cephem-4-carboxylique 3,7-disubstitue, nouveaux produits ainsi obtenus et leur utilisation pour leur activite antibacterienne
AU520269B2 (en) * 1977-03-14 1982-01-21 Fujisawa Pharmaceutical Co., Ltd. Cephem and cepham compounds
US4496562A (en) * 1977-03-14 1985-01-29 Fujisawa Pharmaceutical Co., Ltd. 7-Substituted-3-cephem-4-carboxylic acid esters
PH17188A (en) * 1977-03-14 1984-06-14 Fujisawa Pharmaceutical Co New cephem and cepham compounds and their pharmaceutical compositions and method of use
FR2410655A1 (fr) * 1977-12-05 1979-06-29 Roussel Uclaf Nouvelles oximes derivees de l'acide 3-substitue 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments
FR2432521A1 (fr) * 1978-03-31 1980-02-29 Roussel Uclaf Nouvelles oximes o-substituees derivees de l'acide 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments
FR2421907A1 (fr) * 1978-04-07 1979-11-02 Roussel Uclaf Nouvelles cephalosporines derivees de l'acide 7-/2-(2-amino 4-thiazolyl)2-(carboxymethoxyimino/acetamido 3-substitue cephalosporanique, leur procede de preparation et leur application comme medicaments
DE2822861A1 (de) * 1978-05-26 1979-11-29 Hoechst Ag Cephemderivate und verfahren zu ihrer herstellung
AR229883A1 (es) 1978-05-26 1983-12-30 Glaxo Group Ltd Procedimiento para la preparacion de antibiotico(6r,7r)-7-((z)-2-(2-aminotiazol-4-il)-2-(2-carboxiprop-2-oxiimino)-acetamido)-3-(1-piridinometil)-cef-3-em-4-carboxilato
US4341775A (en) * 1978-09-11 1982-07-27 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
US4237128A (en) * 1979-04-12 1980-12-02 E. R. Squibb & Sons, Inc. 7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1,1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides
US4275062A (en) * 1979-09-19 1981-06-23 E. R. Squibb & Sons, Inc. Aminothiazolyl ureido sulfoxide cephalosporins
US4271157A (en) 1980-02-28 1981-06-02 E. R. Squibb & Sons, Inc. Imidazole derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins
US4409215A (en) * 1979-11-19 1983-10-11 Fujisawa Pharmaceutical Co., Ltd. 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof
US4349672A (en) * 1979-11-29 1982-09-14 Hoffmann-La Roche Inc. Cephalosporin derivatives
FR2476087A1 (fr) * 1980-02-18 1981-08-21 Roussel Uclaf Nouvelles oximes derivees de l'acide 3-alkyloxy ou 3-alkyl-thiomethyl 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments
DE3006888A1 (de) * 1980-02-23 1981-09-10 Hoechst Ag, 6000 Frankfurt Cephalosporinderivate und verfahren zu ihrer herstellung
US4252802A (en) 1980-03-13 1981-02-24 E. R. Squibb & Sons, Inc. Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins
IT1141286B (it) * 1980-04-17 1986-10-01 Dob Far Spa Esteri delle desacetossi cefalosporine loro sali e procedimenti per il loro ottenimento
GR75706B (fr) * 1980-06-30 1984-08-02 Sanofi Sa
FR2501209B1 (fr) * 1981-03-03 1986-07-04 Sanofi Sa Nouveaux derives des cephalosporines et medicaments antibiotiques contenant lesdits derives
JPS5756486A (en) * 1980-08-11 1982-04-05 Fujisawa Pharmaceut Co Ltd Novel cephem compound or its salt, their preparation and prophylactic or remedy for microbism containing the same as active ingredient
US4443444A (en) * 1980-08-11 1984-04-17 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
DE3118732A1 (de) * 1981-05-12 1982-12-02 Hoechst Ag, 6000 Frankfurt Cephalosporinderivate und verfahren zu ihrer herstellung
JPS5849382A (ja) * 1981-09-18 1983-03-23 Kyowa Hakko Kogyo Co Ltd β−ラクタム化合物
EP0187355A1 (fr) 1981-09-23 1986-07-16 E.R. Squibb & Sons, Inc. Procédé de préparation d'antibiotiques bêta-lactames
JPS5862181A (ja) * 1981-10-07 1983-04-13 Dai Ichi Seiyaku Co Ltd セフアロスポリン誘導体
FR2516515A1 (fr) * 1981-11-16 1983-05-20 Sanofi Sa Nouveaux derives de pyridinium thiomethyl cephalosporines, procede pour leur preparation et compositions pharmaceutiques les contenant
FR2517309A1 (fr) * 1981-12-01 1983-06-03 Sanofi Sa Nouveaux derives de cephalosporines substitues en position 3 par un groupe heterocycle thiomethyl; procede de preparation desdits composes et compositions pharmaceutiques en contenant
PH19163A (en) * 1982-04-06 1986-01-16 Daiichi Seiyaku Co Cephalosporin derivatives
US4500526A (en) * 1982-06-28 1985-02-19 Bristol-Myers Company Cephalosporin derivatives
NO832376L (no) * 1982-06-30 1984-01-02 Glaxo Group Ltd Cephalosporin-antibiotika.
US4616081A (en) * 1982-07-07 1986-10-07 Asahi Kasei Kogyo Kabushiki Kaisha Cephalosporin compounds
FR2530248A1 (fr) * 1982-07-13 1984-01-20 Sanofi Sa Nouveaux derives des cephalosporines, leur procede de preparation et medicaments antibiotiques contenant lesdits derives
US4459405A (en) * 1982-11-16 1984-07-10 Eli Lilly And Company Desacetylcephalosporin sulfones
US4477660A (en) * 1982-11-16 1984-10-16 Eli Lilly And Company 7-(S)-Acylaminocephalosporin sulfones and process
US4608373A (en) * 1982-12-13 1986-08-26 Yamanouchi Pharmaceutical Co., Ltd. Cephem compounds
US4547371A (en) * 1983-04-18 1985-10-15 Merck & Co., Inc. Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents
US5132301A (en) * 1983-05-02 1992-07-21 Merck & Co., Inc. Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents
FR2546520B1 (fr) * 1983-05-27 1985-08-30 Sanofi Sa Nouveaux composes antibiotiques derives des cephalosporines
JPS60142987A (ja) * 1983-12-29 1985-07-29 Mochida Pharmaceut Co Ltd セフアロスポリン誘導体
DE3485860T2 (de) * 1983-12-29 1993-01-14 Mochida Pharm Co Ltd Cephalosporinverbindungen, verfahren zu ihrer herstellung und pharmazeutishe praeparate.
KR920004820B1 (ko) * 1984-02-23 1992-06-18 메이지제과 주식회사 새로운 세팔로스포린 유도체의 제조방법
US4840945A (en) * 1985-04-01 1989-06-20 Mochida Pharmaceutical Co., Ltd. Cephalosporin derivatives
ZW11586A1 (en) * 1985-07-01 1987-12-30 Hoffmann La Roche Bicyclic compounds
FR2586020B2 (fr) 1985-08-09 1988-10-14 Roussel Uclaf Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation, leur application comme medicaments et les compositions pharmaceutiques les contenant
US4684722A (en) * 1986-01-06 1987-08-04 E. R. Squibb & Sons, Inc. Monosulfactams
US5147871A (en) * 1986-07-03 1992-09-15 Hoffmann La-Roche, Inc. Anti-bacterial cephalosporin compounds
US4880798A (en) * 1986-11-25 1989-11-14 Mochida Pharmaceutical Co., Ltd. Cephalosporin derivatives
JPS63132893A (ja) * 1986-11-25 1988-06-04 Mochida Pharmaceut Co Ltd 新規セフアロスポリン誘導体、その製法およびそれらを有効成分とする抗菌剤
US5428163A (en) * 1986-12-31 1995-06-27 Mills; Randell L. Prodrugs for selective drug delivery
DE3809561A1 (de) * 1988-03-22 1989-10-05 Hoechst Ag Ester der 7-(2-(2-aminothiazol-4-yl)-2-(z)- hydroxyiminoacetamido)-3-methoxymethyl-3-cephem-4-carbonsaeure, verfahren zu ihrer herstellung und sie enthaltende pharmazeutische zubereitungen
US5336768A (en) * 1988-05-24 1994-08-09 Hoffmann-La Roche Inc. Antibacterial cephalosporin compounds
CS273349B2 (en) * 1988-03-31 1991-03-12 Hoffmann La Roche Method of cephalosporin's new derivatives production
GB9104238D0 (en) * 1990-03-16 1991-04-17 Ici Pharma 3-tetrazolylthiomethyl cephalosporin antibiotics
ES2074224T3 (es) * 1990-03-24 1995-09-01 Lucky Ltd Nuevos intermedios de cefalosporina y proceso para preparar los intermedios y sus productos finales.
JPH0626344U (ja) * 1992-08-27 1994-04-08 武盛 豊永 ソフトタッチ電話器
DE19607960A1 (de) * 1996-03-01 1997-09-04 Hoechst Schering Agrevo Gmbh Verfahren zur Herstellung von Ketonoximether durch Boronsäurekupplung
US5883247A (en) * 1996-06-10 1999-03-16 Hoffmann-La Roche Inc. Preparation of cephem and isooxacephem derivatives
AU2001266861A1 (en) * 2000-06-12 2001-12-24 Randell L. Mills Photocleavable prodrugs for selective drug delivery
US20050080260A1 (en) * 2003-04-22 2005-04-14 Mills Randell L. Preparation of prodrugs for selective drug delivery
KR20070026295A (ko) * 2003-08-25 2007-03-08 레박스 파마슈티칼즈, 엘엘씨 경구 신경치료 세파졸린 조성물
US7908037B2 (en) * 2009-03-27 2011-03-15 General Electric Company Pre-programmed energy management ballast or driver
CA2959208C (fr) 2014-08-29 2023-09-19 Tes Pharma S.R.L. Derives de pyrimidine et utilisation comme inhibiteurs de .alpha.-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926957A (en) * 1971-01-29 1975-12-16 Glaxo Lab Ltd Penicillin antibiotics
GB1389194A (en) 1971-01-29 1975-04-03 Glaxo Lab Ltd Antibiotics
US3971778A (en) * 1972-05-12 1976-07-27 Glaxo Laboratories Limited Cephalosporins having (α-etherified oximino)acylamido groups at the 7-position
GB1399086A (en) 1971-05-14 1975-06-25 Glaxo Lab Ltd Cephalosporin compounds
US3932385A (en) * 1971-05-14 1976-01-13 Glaxo Laboratories Limited Penicillins having a 6β-(α-etherified oximino) acylamido group
GB1442993A (en) * 1972-07-18 1976-07-21 Gist Brocades Nv Penicillin and cephalosporin r-sulphoxides
US4075337A (en) * 1972-07-18 1978-02-21 Gist-Brocades N.V. Methods of combatting bacterial infections in warm-blooded animal with cephalsporin R-sulfoxide
US4020058A (en) * 1974-10-03 1977-04-26 Glaxo Laboratories Limited Improvements in or relating to cephalosporin antibiotics
JPS5168589A (fr) * 1974-12-06 1976-06-14 Shionogi Seiyaku Kk
DK154939C (da) * 1974-12-19 1989-06-12 Takeda Chemical Industries Ltd Analogifremgangsmaade til fremstilling af thiazolylacetamido-cephemforbindelser eller farmaceutisk acceptable salte eller estere deraf
US4203899A (en) * 1974-12-19 1980-05-20 Takeda Chemical Industries, Ltd. Thiazolylacetamido compounds
CA1088049A (fr) * 1975-06-03 1980-10-21 Takashi Masugi Procedes d'obtention de derives d'acides alcanamido substitues en 3 et substitues en 7-3-cephem-4 carboxyliques
DE2760123C2 (de) * 1976-01-23 1986-04-30 Roussel-Uclaf, Paris 7-Aminothiazolyl-syn-oxyiminoacetamidocephalosporansäuren, ihre Herstellung und sie enthaltende pharmazeutische Zusammensetzungen
US4166115A (en) * 1976-04-12 1979-08-28 Fujisawa Pharmaceutical Co., Ltd. Syn 7-oxoimino substituted derivatives of cephalosporanic acid
US4237128A (en) * 1979-04-12 1980-12-02 E. R. Squibb & Sons, Inc. 7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1,1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides
US4252802A (en) * 1980-03-13 1981-02-24 E. R. Squibb & Sons, Inc. Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409217A (en) * 1977-03-14 1983-10-11 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
US4331666A (en) 1979-05-11 1982-05-25 Farmitalia Carlo Erba S.P.A. 3-[(8-Carboxy-6-tetrazolo[1,5-b]pyridazinyl)-thiomethyl]-7-[2-(2-amino-4-thiazolyl)-2-methoxyimino-acetamido]-3-cephem-4-carboxylic acid
US4464367A (en) * 1980-03-26 1984-08-07 Sanofi Cephalosporin derivatives, process for preparation thereof and drugs containing said derivatives usable as antibiotics
US4416879A (en) 1980-09-08 1983-11-22 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds
DE3212900A1 (de) * 1981-04-09 1982-11-25 Yamanouchi Pharmaceutical Co., Ltd., Tokyo Cephelosporinverbindungen
DE3249832C2 (fr) * 1981-04-09 1988-12-29 Yamanouchi Pharmaceutical Co., Ltd., Tokio/Tokyo, Jp
EP0251330A2 (fr) 1986-07-03 1988-01-07 F. Hoffmann-La Roche Ag Dérivés de céphalosporine, leur procédé de préparation et les compositions pharmaceutiques les contenant
US5811419A (en) * 1996-01-16 1998-09-22 Hoffmann-La Roche Inc. Isooxacephem-derivatives

Also Published As

Publication number Publication date
CS208748B2 (en) 1981-09-15
HU184145B (en) 1984-07-30
DE2716677A1 (de) 1978-10-26
AU526333B2 (en) 1983-01-06
NZ186968A (en) 1981-04-24
GR71190B (fr) 1983-04-11
FR2387234A1 (fr) 1978-11-10
ES477153A1 (es) 1979-07-01
CA1161836A (fr) 1984-02-07
DE2716677C2 (de) 1985-10-10
ATA263278A (de) 1981-11-15
AU3507178A (en) 1979-10-18
DD138423A5 (de) 1979-10-31
SE7804185L (sv) 1978-10-16
ES477154A1 (es) 1979-12-01
PT67906A (fr) 1978-05-01
JPS53130691A (en) 1978-11-14
FI66188C (fi) 1984-09-10
US4399131A (en) 1983-08-16
JPS6052756B2 (ja) 1985-11-21
FI66188B (fi) 1984-05-31
FI781131A (fi) 1978-10-16
ZA782168B (en) 1979-03-28
SE447384B (sv) 1986-11-10
OA05939A (fr) 1981-06-30
FR2387234B1 (fr) 1985-09-13
CH643558A5 (de) 1984-06-15
YU87378A (en) 1983-01-21
IL54503A0 (en) 1978-07-31
HK28983A (en) 1983-08-26
LU79439A1 (de) 1978-11-28
NL7804019A (nl) 1978-10-17
IE46535B1 (en) 1983-07-13
DK162878A (da) 1978-10-16
AT367426B (de) 1982-07-12
IE780736L (en) 1978-10-15
IT7822244A0 (it) 1978-04-12
DK163244C (da) 1992-06-29
DK163244B (da) 1992-02-10
GB1603212A (en) 1981-11-18
IT1095578B (it) 1985-08-10
NO781322L (no) 1978-10-17
PT67906B (pt) 1994-01-14
ES468666A1 (es) 1980-12-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19940430