HK64496A - Improved process for preparing salts of 4-amino-1-hydroxy-butylidene-1, 1-bisphosphonic acid (ABP) - Google Patents

Improved process for preparing salts of 4-amino-1-hydroxy-butylidene-1, 1-bisphosphonic acid (ABP)

Info

Publication number
HK64496A
HK64496A HK64496A HK64496A HK64496A HK 64496 A HK64496 A HK 64496A HK 64496 A HK64496 A HK 64496A HK 64496 A HK64496 A HK 64496A HK 64496 A HK64496 A HK 64496A
Authority
HK
Hong Kong
Prior art keywords
amino
abp
improved process
bisphosphonic acid
butylidene
Prior art date
Application number
HK64496A
Other languages
English (en)
Inventor
Gerard R Kieczykowski
Original Assignee
Merck & Co Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24157769&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK64496(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Merck & Co Inc filed Critical Merck & Co Inc
Publication of HK64496A publication Critical patent/HK64496A/xx

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)]
    • C07F9/3804—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
    • C07F9/3839—Polyphosphonic acids
    • C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
HK64496A 1990-06-20 1996-04-11 Improved process for preparing salts of 4-amino-1-hydroxy-butylidene-1, 1-bisphosphonic acid (ABP) HK64496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/540,997 US5019651A (en) 1990-06-20 1990-06-20 Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid (ABP) or salts thereof

Publications (1)

Publication Number Publication Date
HK64496A true HK64496A (en) 1996-04-19

Family

ID=24157769

Family Applications (1)

Application Number Title Priority Date Filing Date
HK64496A HK64496A (en) 1990-06-20 1996-04-11 Improved process for preparing salts of 4-amino-1-hydroxy-butylidene-1, 1-bisphosphonic acid (ABP)

Country Status (21)

Country Link
US (1) US5019651A (xx)
EP (1) EP0462663B1 (xx)
JP (1) JPH07119229B2 (xx)
KR (1) KR0173467B1 (xx)
AT (1) ATE128470T1 (xx)
AU (1) AU642264B2 (xx)
CA (1) CA2044923C (xx)
CY (1) CY1907A (xx)
DE (1) DE69113325T2 (xx)
DK (1) DK0462663T3 (xx)
ES (1) ES2079026T3 (xx)
FI (1) FI94347C (xx)
GR (1) GR3017544T3 (xx)
HK (1) HK64496A (xx)
IE (1) IE69171B1 (xx)
IL (1) IL98462A (xx)
LV (1) LV11471B (xx)
NO (1) NO180050C (xx)
NZ (1) NZ238493A (xx)
PT (1) PT97963B (xx)
ZA (1) ZA914708B (xx)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1246777B (it) * 1991-04-12 1994-11-26 Boehringer Mannheim Italia Aminoacil derivati di acidi gem-difosfonici,un processo per la loro preparazione e composizioni farmaceutiche che li contengono
IT1246778B (it) * 1991-04-12 1994-11-26 Boehringer Mannheim Italia Nitrosocarbamoil derivati di acidi gem-difosfonici, un processo per la loro preparazione e composizioni farmaceutiche che li contengono
US5270365A (en) * 1991-12-17 1993-12-14 Merck & Co., Inc. Prevention and treatment of periodontal disease with alendronate
US6399592B1 (en) 1992-12-23 2002-06-04 Merck & Co., Inc. Bishphosphonate/estrogen synergistic therapy for treating and preventing bone loss
US5510517A (en) * 1993-08-25 1996-04-23 Merck & Co., Inc. Process for producing N-amino-1-hydroxy-alkylidene-1,1-bisphosphonic acids
TW257765B (xx) * 1993-08-25 1995-09-21 Merck & Co Inc
US5462932A (en) * 1994-05-17 1995-10-31 Merck & Co., Inc. Oral liquid alendronate formulations
US5449819A (en) * 1994-06-06 1995-09-12 Merck & Co., Inc. Process for removing waste pox, alendronate and its by products
US5589691A (en) * 1994-06-06 1996-12-31 Merck & Co., Inc. Process for recovery and recycle of methanesulfonic acid and phosphorous acid
US5780455A (en) * 1994-08-24 1998-07-14 Merck & Co., Inc. Intravenous alendronate formulations
KR19980702210A (ko) * 1995-02-17 1998-07-15 폴락 돈나 엘 비척추골 골절의 위험률을 감소시키는 방법
TW393488B (en) * 1995-04-20 2000-06-11 Merck & Co Inc Process for making 1-hydrox-ybisphosphonates
JPH10506638A (ja) * 1995-05-12 1998-06-30 メルク エンド カンパニー インコーポレーテッド アレンドロネート又はその塩の投与による歯喪失の予防
DK0833643T3 (da) * 1995-06-06 2005-05-30 Merck & Co Inc Formuleringer af vandfrit mononatriumsalt af alendronat og deres anvendelse til behandling af knoglesygdomme
WO1996039107A1 (en) 1995-06-06 1996-12-12 Merck & Co., Inc. Bisphosphonate cement composition to prevent aseptic loosening of orthopedic implant devices
KR100192215B1 (ko) * 1996-09-03 1999-06-15 강재헌 3-아미노-1-히드록시프로판-1,1-디포스폰산의 제조방법
PL332496A1 (en) * 1996-10-04 1999-09-13 Merck & Co Inc Liquid alendronate preparations
CA2197267C (en) * 1997-02-11 2000-02-08 Yong Tao Process for the production of 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof
RU2194706C2 (ru) 1998-04-29 2002-12-20 Дзе Проктер Энд Гэмбл Компани Способ получения дигидрохлорида 1-[[[5-(4-хлорфенил)-2-фуранил]метилен]амино]-3-[4-(4-метил-1-пиперазинил) бутил]-2,4-имидазолидиндиона
HUP0101356A3 (en) 1998-04-29 2003-08-28 Procter & Gamble Process for making 1,3-disubstituted-4-oxocyclic ureas
US20030078211A1 (en) * 1998-06-24 2003-04-24 Merck & Co., Inc. Compositions and methods for inhibiting bone resorption
JP2002519305A (ja) 1998-06-24 2002-07-02 メルク エンド カムパニー インコーポレーテッド 骨吸収阻害用の組成物および方法
US6008207A (en) * 1998-08-13 1999-12-28 Merck & Co., Inc. Anhydrous alendronate monosodium salt formulations
IL141423A (en) 1998-08-27 2005-09-25 Teva Pharma Hydrate forms of alendronate sodium, processes for manufacture thereof, and pharmaceutical compositions thereof
EP1702924A3 (en) * 1998-08-27 2007-07-18 Teva Pharmaceutical Industries Ltd Novel hydrate forms of alendronate sodium, processes for manufacture thereof, and pharmaceutical compositions thereof
US6331533B1 (en) 1998-11-16 2001-12-18 Merck & Co., Inc. Method for inhibiting dental resorptive lesions
KR100327786B1 (ko) * 1999-03-25 2002-03-14 유승필 4-아미노-1-하이드록시부틸리덴-1,1-비스포스폰산 또는 이의 염의 제조방법
US6143919A (en) * 1999-05-18 2000-11-07 3M Innovative Properties Company Polymerizable acidic compounds and methods of preparation
US6315566B1 (en) 1999-05-18 2001-11-13 3M Innovative Properties Company Dental materials
US6963008B2 (en) * 1999-07-19 2005-11-08 Teva Pharmaceutical Industries Ltd. Hydrate forms of alendronate sodium, processes for manufacture thereof, and pharmaceutical compositions thereof
ES2153794B1 (es) * 1999-08-06 2001-10-16 Medichem Sa Procedimiento para la obtencion del acido 4-amino-1-hidroxibutiliden-1,1-bisfosfonico y de su sal monosodica trihidratada.
US6677320B2 (en) 2000-01-20 2004-01-13 Hoffmann-La Roches Inc. Parenteral bisphosphonate composition with improved local tolerance
US6476006B2 (en) 2000-06-23 2002-11-05 Teva Pharmaceutical Industries, Ltd. Composition and dosage form for delayed gastric release of alendronate and/or other bis-phosphonates
KR100327787B1 (ko) * 2001-02-27 2002-03-15 유승필 4-아미노-1-하이드록시부틸리덴-1,1-비스포스폰산 일나트륨 삼수화물의 제조방법
US6558702B2 (en) * 2001-04-13 2003-05-06 Alkermes Controlled Therapeutics, Inc. Method of modifying the release profile of sustained release compositions
US20060269602A1 (en) * 2001-04-13 2006-11-30 Dasch James R Method of modifying the release profile of sustained release compositions
TR200101250A2 (tr) * 2001-05-10 2003-04-21 E�S Eczaciba�I �Zg�N K�Myasal �R�Nler Sanay� A.�. 4-amino-1-hidroksibutiliden-1,1-bifosfonik asit veya tuzlarının hazırlanmasına ilişkin proses
GB0115824D0 (en) * 2001-06-28 2001-08-22 Rhodia Cons Spec Ltd Improved solvent systems
JP2005514400A (ja) * 2001-12-21 2005-05-19 ザ プロクター アンド ギャンブル カンパニー 骨疾患の治療方法
JP4502641B2 (ja) * 2002-01-24 2010-07-14 ティルタン ファーマ リミテッド 抗癌組み合わせおよびその使用方法
ITMI20020908A1 (it) * 2002-04-29 2003-10-29 Chemi Spa Processo di preparazione di sodio alendronato
ATE376444T1 (de) * 2002-05-10 2007-11-15 Hoffmann La Roche Ibandronsäure zur behandlung und vorbeugung von osteoporose
WO2003097655A1 (en) * 2002-05-17 2003-11-27 Teva Pharmaceutical Industries Ltd. Use of certain diluents for making bisphosphonic acids
US20060258726A1 (en) * 2002-06-06 2006-11-16 Xavier Billot 1,5-Disubstituted imidazolidin-2-one derivatives for use as ep4 receptor agonists in the treatment of eye and bone diseases
JP4485117B2 (ja) * 2002-06-27 2010-06-16 日東電工株式会社 保護剥離用フィルム
EP1545517A1 (en) * 2002-08-28 2005-06-29 Merck Frosst Canada & Co. Oxazolidin-2-one and thiazolidin-2-one derivatives for use as ep4 receptor agonists in the treatment of glaucoma
US20040138180A1 (en) * 2002-10-03 2004-07-15 Barr Laboratories, Inc. Bisphosphonate composition and process for the preparation thereof
BR0309691A (pt) * 2002-12-20 2005-08-02 Hoffmann La Roche Formulação de ibandronato em alta dose
US20040206932A1 (en) * 2002-12-30 2004-10-21 Abuelyaman Ahmed S. Compositions including polymerizable bisphosphonic acids and methods
HUP0300227A2 (hu) * 2003-01-28 2004-09-28 Richter Gedeon Vegyészeti Gyár Rt. Eljárás nagy tisztaságú 2-szubsztituált -1-(hidroxi-etilidén)-1,1-biszfoszfonsavak és sóik előállítására
US7452924B2 (en) * 2003-08-12 2008-11-18 3M Espe Ag Self-etching emulsion dental compositions and methods
WO2005044831A2 (en) 2003-08-21 2005-05-19 Sun Pharmaceutical Industries Limited A process for preparation of bisphosphonic acid compounds
CN1839114A (zh) 2003-08-21 2006-09-27 默克弗罗斯特加拿大有限公司 组织蛋白酶半胱氨酸蛋白酶抑制剂
AU2004273672A1 (en) * 2003-09-19 2005-03-31 Wisconsin Alumni Research Foundation Pharmaceutical compositions and methods comprising combinations of 2-alkylidene-19-nor-vitamin D derivatives and a bisphosphonate
WO2005035542A1 (en) * 2003-10-14 2005-04-21 Pliva-Istrazivanje I Razvoj D.O.O. Solid-state form of alendronate sodium and preparation thereof
US20050181043A1 (en) * 2004-02-12 2005-08-18 Indranil Nandi Alendronate salt tablet compositions
CA2566798A1 (en) 2004-05-24 2005-12-08 The Procter & Gamble Company Enteric solid oral dosage form of bisphosphonate containing a chelating agent
UA87854C2 (xx) 2004-06-07 2009-08-25 Мерк Энд Ко., Инк. N-(2-бензил)-2-фенілбутанаміди як модулятори рецептора андрогену$n-(2-бензил)-2-фенилбутанамиды как модуляторы рецептора андрогена
JP5214242B2 (ja) * 2004-07-08 2013-06-19 スリーエム イノベイティブ プロパティズ カンパニー 歯科用の方法、組成物、および酸感受性色素を含むキット
AU2005272808B8 (en) * 2004-08-11 2011-11-03 3M Deutschland Gmbh Self-adhesive compositions including a plurality of acidic compounds
US7361761B2 (en) * 2004-09-28 2008-04-22 Orchid Chemicals & Pharmaceuticals Ltd. Process for the preparation of bisphosphonic acid
WO2007046842A2 (en) 2005-03-02 2007-04-26 Merck & Co., Inc. Composition for inhibition of cathepsin k
EP1865928A1 (en) * 2005-03-17 2007-12-19 Elan Pharma International Limited Nanoparticulate biphosphonate compositions
WO2006134603A1 (en) * 2005-06-13 2006-12-21 Jubilant Organosys Limited Process for producing bisphosphonic acids and forms thereof
AR054673A1 (es) 2005-07-28 2007-07-11 Gador Sa Una forma cristalina del acido zoledronico, un proceso para su obtencion y la composicion farmaceutica que la comprende
US8003820B2 (en) * 2005-10-20 2011-08-23 Dr. Reddy's Laboratories Limited Process for preparing bisphosphonic acids
PT1803727E (pt) * 2005-12-27 2009-06-15 Ipca Lab Ltd Processo melhorado para o fabrico de ácido 4-amino-hidroxibutilideno-1,1 bisfosfónico e seus sais
WO2007083240A2 (en) 2006-01-20 2007-07-26 Aurobindo Pharma Limited An improved process for the preparation of bisphosphonic acids
EP1987046A1 (en) * 2006-02-20 2008-11-05 Alembic Limited An improved process for the preparation of biphosphonic derivatives
US8076483B2 (en) * 2006-05-11 2011-12-13 M/S. Ind Swift Laboratories Limited Process for the preparation of pure risedronic acid or salts
CA2570949A1 (en) * 2006-12-12 2008-06-12 Apotex Pharmachem Inc. Ibandronate sodium propylene glycol solvate and processes for the preparation thereof
CN101557791B (zh) * 2006-12-13 2013-05-22 3M创新有限公司 使用具有酸性组分和可光漂白染料的牙科用组合物的方法
US20090170815A1 (en) * 2007-12-28 2009-07-02 Roxane Laboratories Incorporated. Alendronate oral liquid formulations
EP2310398A2 (en) * 2008-07-11 2011-04-20 Synthon B.V. Process for making 1-hydroxyalkylidene-1,1-biphosphonic acids
US20100130746A1 (en) * 2008-11-26 2010-05-27 Martin Kas Process for Making Zoledronic Acid
US20120100206A1 (en) 2009-06-11 2012-04-26 Yissum Research Development Company Of The Hebrew University Of Jerusalem, Ltd. Targeted liposomes comprising n-containing bisphosphonates and uses thereof
EA201270328A1 (ru) 2009-08-28 2012-09-28 Синтон Б. В. Способ получения 1-гидроксиалкилиден-1,1-дифосфоновых кислот
ES2533799T3 (es) 2009-10-02 2015-04-14 Straitmark Holding Ag Procedimiento de fabricación de ácidos aminohidroxi difosfónicos
CA2738045C (en) 2010-05-28 2019-02-19 Simon Fraser University Conjugate compounds, methods of making same, and uses thereof
KR20180115254A (ko) 2010-12-06 2018-10-22 에프락스 파머슈티컬즈 소시에떼 아노님 신속한 용해 특성을 구비한 안정한 발포성 비스포스포네이트 제형
EP2675440B1 (en) 2011-02-14 2020-03-25 Merck Sharp & Dohme Corp. Cathepsin cysteine protease inhibitors
PL2731591T3 (pl) 2011-07-13 2021-05-17 Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. Liposomy zawierające bisfosfonian i środek amfipatyczny w wyniku ko-enkapsulacji
EP3055314B1 (en) 2013-10-08 2018-09-12 Merck Sharp & Dohme Corp. Cathepsin cysteine protease inhibitors
WO2015051479A1 (en) 2013-10-08 2015-04-16 Merck Sharp & Dohme Corp. Cathepsin cysteine protease inhibitors
WO2015120580A1 (en) 2014-02-11 2015-08-20 Merck Sharp & Dohme Corp. Cathepsin cysteine protease inhibitors
PL407922A1 (pl) 2014-04-16 2015-10-26 Wrocławskie Centrum Badań Eit + Spółka Z Ograniczoną Odpowiedzialnością Nowe bisfosfoniany i ich zastosowanie
US9650414B1 (en) 2014-05-30 2017-05-16 Simon Fraser University Dual-action EP4 agonist—bisphosphonate conjugates and uses thereof
SG11201609050UA (en) 2014-05-30 2016-12-29 Pfizer Carbonitrile derivatives as selective androgen receptor modulators
CN107849072B (zh) 2015-06-12 2020-12-15 西蒙弗雷泽大学 酰胺连接的ep4激动剂-二膦酸盐化合物及其用途
EP3827010A4 (en) 2018-07-23 2022-03-16 Brise Pharmaceuticals Co., Ltd. BISPHOSPHONATE-DRUG CONJUGATES
WO2023275715A1 (en) 2021-06-30 2023-01-05 Pfizer Inc. Metabolites of selective androgen receptor modulators

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1387311A (en) * 1972-03-24 1975-03-12 Gullick Dobson Ltd Mine roof supports
DE2534390C2 (de) * 1975-08-01 1983-01-13 Henkel KGaA, 4000 Düsseldorf 1,3-Di-aminoalkan-1,1-diphosphonsäuren
DE2534391C2 (de) * 1975-08-01 1983-01-13 Henkel KGaA, 4000 Düsseldorf 1-Hydroxy-3-aminoalkan-1,1-diphosphonsäuren
US4163733A (en) * 1977-10-25 1979-08-07 Buckman Laboratories, Inc. Synergistic compositions for corrosion and scale control
US4100167A (en) * 1977-05-09 1978-07-11 Nalco Chemical Company Production of 1-aminoalkane-1, 1-diphosphonic acids using phosphorous acid and nitriles in a non-aqueous system
DE2745083C2 (de) * 1977-10-07 1985-05-02 Henkel KGaA, 4000 Düsseldorf Hydroxydiphosphonsäuren und Verfahren zu deren Herstellung
DE2943498C2 (de) * 1979-10-27 1983-01-27 Henkel KGaA, 4000 Düsseldorf Verfahren zur Herstellung von 3-Amino-1-hydroxypropan-1,1-diphosphonsäure
DE3016289A1 (de) * 1980-04-28 1981-10-29 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von omega -amino-1-hydroxyalkyliden-1,1-bis-phosphonsaeuren
US4304734A (en) * 1980-10-16 1981-12-08 Vysoka Skola Chemicko-Technologicka 6-Amino-1-hydroxyhexylidene diphosphonic acid, salts and a process for production thereof
DE3047107A1 (de) * 1980-12-13 1982-07-29 Hoechst Ag, 6000 Frankfurt Verfahren zur hertellung von 1-amino-alkan-1,1-diphosphonsaeuren
IT1194748B (it) * 1981-02-12 1988-09-28 Gentili Ist Spa Composizioni farmaceutiche per il trattamento di osteopatie
IT1201087B (it) * 1982-04-15 1989-01-27 Gentili Ist Spa Bifosfonati farmacologicamente attivi,procedimento per la loro preparazione e relative composizioni farmaceutiche
US4639338A (en) * 1984-08-06 1987-01-27 Ciba-Geigy Corporation Preparation of crystalline disodium 3-amino-1-hydroxypropane-1,1-diphosphonate pentahydrate
DE3434667A1 (de) * 1984-09-21 1986-04-03 Henkel KGaA, 4000 Düsseldorf 4-dimethylamino-1-hydroxybutan-1,1-diphosphonsaeure, deren wasserloesliche salze, verfahren zu ihrer herstellung sowie ihre verwendung
IT1196315B (it) * 1984-10-29 1988-11-16 Gentili Ist Spa Procedimento per la preparazione di acidi difosfonici
IT1187828B (it) * 1985-05-24 1987-12-23 Gentili Ist Spa Composizione farmaceutica a base di difosfonati per il trattamento dell aretrosi
US4922007A (en) * 1989-06-09 1990-05-01 Merck & Co., Inc. Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof

Also Published As

Publication number Publication date
CA2044923C (en) 1996-06-18
FI94347B (fi) 1995-05-15
FI913008A0 (fi) 1991-06-19
ATE128470T1 (de) 1995-10-15
IL98462A0 (en) 1992-07-15
PT97963B (pt) 1998-11-30
AU642264B2 (en) 1993-10-14
FI913008A (fi) 1991-12-21
JPH05132492A (ja) 1993-05-28
DE69113325T2 (de) 1996-05-02
FI94347C (fi) 1995-08-25
NO180050B (no) 1996-10-28
JPH07119229B2 (ja) 1995-12-20
EP0462663A1 (en) 1991-12-27
NZ238493A (en) 1992-09-25
PT97963A (pt) 1992-03-31
ES2079026T3 (es) 1996-01-01
NO912395D0 (no) 1991-06-19
LV11471B (en) 1996-12-20
ZA914708B (en) 1992-03-25
IE69171B1 (en) 1996-08-07
NO180050C (no) 1997-02-05
KR0173467B1 (en) 1999-04-01
DE69113325D1 (de) 1995-11-02
IL98462A (en) 1995-12-08
AU7849891A (en) 1992-01-02
LV11471A (lv) 1996-08-20
GR3017544T3 (en) 1995-12-31
CY1907A (en) 1991-06-14
NO912395L (no) 1991-12-23
IE912112A1 (en) 1992-01-01
DK0462663T3 (da) 1996-01-29
CA2044923A1 (en) 1991-12-21
EP0462663B1 (en) 1995-09-27
US5019651A (en) 1991-05-28

Similar Documents

Publication Publication Date Title
KR0173467B1 (en) Improved process for preparing 4-amino-1-hydroxybutylidene-1, 1-bisphosphonic acid(abp)or salts thereof
CY1894A (en) Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof
ATE1242T1 (de) Verfahren zur herstellung von 3-amino-1-hydroxypropan-1,1-diphosphonsaeure.
ATE220404T1 (de) Verfahren zur herstellung von 4-amino-1- hydroxybutyliden-1,1-biphosphonsäure
DE69331314T2 (de) Verfahren zur Herstellung von N-Phosphonomethyliminodiessigsäure
ATE121410T1 (de) Verfahren zur herstellung von diphosphonsäuren und salzen davon.
AU1876688A (en) Process for synthesis of aminomethylene phosphonoalkylphosphinates

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20110613