WO2005051909A1 - Verfahren zur herstellung von {n-[1-(s)-carbalkoxy-3-phenylpropyl]-s-alanyl-2s, 3ar, 7as-octahydroindol-2-carbonsäure}verbindungen - Google Patents
Verfahren zur herstellung von {n-[1-(s)-carbalkoxy-3-phenylpropyl]-s-alanyl-2s, 3ar, 7as-octahydroindol-2-carbonsäure}verbindungen Download PDFInfo
- Publication number
- WO2005051909A1 WO2005051909A1 PCT/CH2004/000688 CH2004000688W WO2005051909A1 WO 2005051909 A1 WO2005051909 A1 WO 2005051909A1 CH 2004000688 W CH2004000688 W CH 2004000688W WO 2005051909 A1 WO2005051909 A1 WO 2005051909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- trandolapril
- carboxylic acid
- phenylpropyl
- water
- acetone
- Prior art date
Links
- CQYBNXGHMBNGCG-CSMHCCOUSA-N OC([C@H](C1)N[C@@H]2[C@@H]1CCCC2)=O Chemical compound OC([C@H](C1)N[C@@H]2[C@@H]1CCCC2)=O CQYBNXGHMBNGCG-CSMHCCOUSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/42—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Definitions
- the present invention relates to a process for the preparation of ⁇ N- [1- (S) -carbalkoxy-3-phenylpropyl] -S-alanyl-2S, 3aR, 7aS-octahydroindol-2-carboxylic acid ⁇ compounds and in particular the compound ⁇ N- [IS-carbethoxy-3-phenylpropyl] -S-alanyl-2S, 3aR, 7aS-octahydroindole-2-carboxylic acid ⁇ , which is also known under the name trandolapril.
- EAPPA means ⁇ N- [1- (S) -ethoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ .
- ECAPA-NCA means the N-carboxy anhydride from ECAPPA.
- trans-octahydroindole-2-carboxylic acid ie without a protective group
- N-carboxyanhydride of ⁇ N- [1- (S) -ethoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ reproducible in high yield, without troublesome side reactions, to produce and then to obtain trandolapril directly from the reaction mixture by crystallization in a very pure form. Chromatographic separation of the diastereomers is not necessary. Under rac.
- the present invention relates to a process for the preparation of optionally substituted ⁇ N- [1- (S) -carbalkoxy-3-phenylpropyl] -S-alanyl-2S, 3aR, 7aS-octahydroindole-2-carboxylic acid ⁇ as well as their pharmaceutically acceptable salts, which is characterized in that a racemic mixture of optionally substituted fcrans-octahydroindole-2-carboxylic acid with the N-carboxyanhydride of ⁇ N- [1- (S) -alkoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ , which is optionally substituted on the phenyl ring, is reacted in a suitable inert solvent and then the optionally substituted ⁇ N- [IS-carbalkoxy-3-phenylpropyl] -S-alanyl-2S, 3aR,
- the compound is preferably isolated by means of crystallization.
- the connection ⁇ N- [IS- Carbethoxy-3-phenylpropyl] -S-alanyl-2S, 3aR, 7aS-octa-hydroindole-2-carboxylic acid ⁇ (trandolapril).
- Trandolapril-Hydroohlorid Trandolapril (Diastereomer A1) (Diastereomer A1)
- the desired diastereomer is preferably crystallized directly from the reaction mixture, ie without prior salt formation, so that trandolapril or a derivative of this compound is obtained directly.
- This preferred Process is referred to herein as Process 2.
- the compound produced in this way can then be converted into a suitable salt.
- the preparation referred to as process 2 follows scheme 1, but the compound referred to as diastereomer AI is crystallized directly without salt formation.
- Optionally substituted trans-octahydroindole-2-carboxylic acid and its racemic mixtures are known per se.
- the unsubstituted carboxylic acid and its racemic mixtures are preferably used.
- the preparation of the N-carboxyanhydride of ⁇ N- [1- (S) -ethoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ is also known.
- ECAPPA-NCA is produced, for example, by reacting ECAPPA with a carbonyl compound which contains suitable leaving groups, such as carbonyldiimidazole, trichloromethylchloroformate, phosgene, diphosgene or triphosgene, preferably with triphosgene.
- suitable leaving groups such as carbonyldiimidazole, trichloromethylchloroformate, phosgene, diphosgene or triphosgene, preferably with triphosgene.
- the process according to the invention begins with the preparation of the N-carboxyanhydride in an inert organic solvent at about 0-40 ° C. This heats ⁇ N- [l- (S) -alkoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ , which is optionally substituted on the phenyl ring, in methylene chloride or another suitable solvent, in the presence of a carbonyl compound which contains suitable leaving groups, preferably triphosgene, the NCA being formed. The solvent and the unreacted carbonyl compound are then preferably removed. The remaining product can then with rac. Octahydroindole-2-carboxylic acid to the diastereomer mixture (AI and Bl, see scheme 1) are implemented. The desired diastereomer AI, preferably trandolapril, can then be used as the salt, e.g. as hydrochloride, preferably without conversion to a salt, be crystallized from the mixture.
- AI and Bl see scheme
- Octahydroindole-2-carboxylic acid to the diastereomer mixture AI and Bl is preferably carried out at a temperature in the range of about -20 ° C. to room temperature, preferably in the range from about -20 ° C to 0 ° C, preferably the NCA of ⁇ N- [1- (S) -alkoxycarbonyl-3-phenylpropyl] -L-alanine ⁇ a suspension of rac.
- trans-octahydroindole-2-carboxylic acid is added in a mixed aqueous solvent system.
- Trans-octahydroindole-2-carboxylic acid is preferably in the range from 1: 1 to 1: 1.6, preferably about 1: 1.3.
- the acid value (pH) is preferably kept in the basic range, preferably in the range from pH 9 to pH 10, during the reaction, which is achieved by the simultaneous addition of an inorganic or organic basic reaction compound.
- Such inorganic or organic compounds with a basic reaction are, for example, alkali metal hydroxides, alkali metal carbonates or alkali metal bicarbonates, preferably of sodium or potassium, or secondary or tertiary amines, such as, for example, dialkylamines such as dimethylamine, diethylamine, trialkylamines such as trimethylamine, triethylamine, tripropylamine or tributylamine. Pyridine or quaternary ammonium hydroxides, for example, can also be used.
- Mixed aqueous solvent systems are preferably mixtures of water and a water-miscible organic solvent, such as, for example, acetone, dioxane or tetrahydrofuran. Acetone is preferred.
- the selective crystallization is preferably carried out at a temperature in the range from -5 ° C to +30 ° C.
- the organic phase generally contains the desired reaction product as diastereomer AI in a mixture with the diastereomer B1 in a ratio of about 1: 1, it is necessary to separate the diastereomer AI from the diastereomer B1. Surprisingly, this can be done by crystallization.
- a water content of the organic solvent preferably in the range of 0.05-4.0% by weight, preferably 1.5-3.0% by weight, is used.
- the desired diastereomer Al crystallizes out in a surprisingly high purity, while the diastereomer B1 largely remains in solution. With higher water contents, losses in yield are to be expected, but these are not critical.
- An organic ester such as e.g. Ethyl acetate, ethyl acetate, propyl acetate, preferably ethyl acetate.
- the diastereomer AI is generally obtained in a purity in the range from 88.0% by weight to 98% by weight, the remaining 2-12% by weight consisting predominantly of ECAPPA and the diastereomer B1.
- a further purification of the product obtained by crystallization can be carried out by recrystallization or preferably by sludge in an organic solvent or in a mixture of such a solvent with water.
- Preferred solvents or solvent mixtures are: acetone / water, acetone, acetone / MTBE (methyl tert-butyl ether), ethyl acetate and ethyl acetate / - MTBE.
- the diastereomer mixture is first converted into a suitable salt for the isolation of diastereomer AI and then subjected to the crystallization.
- suitable salts for this purpose are, for example, the hydrochloride, sulfate, phosphate and other salts known per se.
- the hydrochloride is preferably used.
- the organic phase preferably ethyl acetate, now contains the desired reaction product as diastereomer AI in a mixture with diastereomer B1.
- HCl gas is passed into the organic phase at 0-20 ° C., whereupon the hydrochloride forms.
- trandolapril hydrochloride is crystallized from acetone / MTBE (methyl tert-butyl ether).
- Trandolapril is preferably released from the hydrochloride in a mixture of water and a water-miscible organic solvent (for example acetone), a pH of 4.0-6.0 being set by adding a base.
- a water-miscible organic solvent for example acetone
- Sodium hydrogen carbonate is preferably used as the base.
- the crystallization of the product can already begin.
- a further purification of the end product (trandolapril) can be carried out by recrystallization or preferably by a Slurry in an organic solvent, possibly in a mixture with water.
- the present invention also relates to two new crystalline forms of trandolapril. It has been found that two different crystalline forms, referred to herein as Form A and Form B, can be obtained in the crystallization of trandolapril.
- the crystalline form A is characterized by the following IR and XRD data (Tables 1 and 2) and by the ORTEP representation of the corresponding crystal structure analysis ( Figure 1 and Table 3).
- the organic phase is separated off, dried over sodium sulfate and cooled to 0-5 ° C.
- a total of 29.17 g of HCl gas is slowly introduced into this solution.
- the solvent is then removed in vacuo, the resulting clear oil is taken up in 320 g of acetone and the solution is heated to 55.degree. 640 g of MTBE and then a little trandolapril hydrochloride (for inoculation) are added to the hot solution.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Cardiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Hospice & Palliative Care (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006540130A JP2007512260A (ja) | 2003-11-28 | 2004-11-15 | {N−[1−(S)−カルボアルコキシ−3−フェニルプロピル]−S−アラニル−2S,3aR,7aS−オクタヒドロインドール−2−カルボン酸}化合物類の製造方法 |
US10/580,638 US20070135513A1 (en) | 2003-11-28 | 2004-11-15 | Method for producing {n-[1-(s)-carbalkoxy-3-phenylpropyl]-s-alanyl-2s, 3ar, 7as-octahydroindole-2-carboxylic acid} compounds |
EP04797245A EP1689711A1 (de) | 2003-11-28 | 2004-11-15 | Verfahren zur herstellung von n- 1-(s)-carbalkoxy-3-ph enylpropyl -s-alanyl-2s, 3ar, 7as-octahydroindol-2-carbonsäure;verbindungen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2038/03 | 2003-11-28 | ||
CH20382003 | 2003-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005051909A1 true WO2005051909A1 (de) | 2005-06-09 |
Family
ID=34624414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2004/000688 WO2005051909A1 (de) | 2003-11-28 | 2004-11-15 | Verfahren zur herstellung von {n-[1-(s)-carbalkoxy-3-phenylpropyl]-s-alanyl-2s, 3ar, 7as-octahydroindol-2-carbonsäure}verbindungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070135513A1 (de) |
EP (1) | EP1689711A1 (de) |
JP (1) | JP2007512260A (de) |
WO (1) | WO2005051909A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003947A3 (en) * | 2005-07-05 | 2007-05-31 | Cipla Ltd | Process for the synthesis of the ace inhibitor trandolapril |
WO2011009021A1 (en) | 2009-07-16 | 2011-01-20 | Abbott Laboratories | Processes for the synthesis of (2s, 3ar, 7as)-octahydro-1h-indole carboxylic acid as an intermediate for trandolapril |
US7943655B2 (en) | 2006-04-05 | 2011-05-17 | Universitat Zurich | Polymorphic and pseudopolymorphic forms of trandolaprilat, pharmaceutical compositions and methods for production and use |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6889718B2 (ja) * | 2016-07-21 | 2021-06-18 | 株式会社カネカ | 有機化合物の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084164A2 (de) * | 1981-12-29 | 1983-07-27 | Hoechst Aktiengesellschaft | Neue Derivate bicyclischer Aminosäuren, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung sowie neue bicyclische Aminosäuren als Zwischenstufen und Verfahren zu deren Herstellung |
EP0215335A2 (de) * | 1985-08-27 | 1987-03-25 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Verfahren zur Herstellung von N-[1(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanyl-L-proline |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6541635B1 (en) * | 2002-03-29 | 2003-04-01 | Everlight Usa, Inc. | Method for producing angiotensin converting enzyme inhibitor |
-
2004
- 2004-11-15 EP EP04797245A patent/EP1689711A1/de not_active Withdrawn
- 2004-11-15 US US10/580,638 patent/US20070135513A1/en not_active Abandoned
- 2004-11-15 WO PCT/CH2004/000688 patent/WO2005051909A1/de active Application Filing
- 2004-11-15 JP JP2006540130A patent/JP2007512260A/ja not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084164A2 (de) * | 1981-12-29 | 1983-07-27 | Hoechst Aktiengesellschaft | Neue Derivate bicyclischer Aminosäuren, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung sowie neue bicyclische Aminosäuren als Zwischenstufen und Verfahren zu deren Herstellung |
EP0215335A2 (de) * | 1985-08-27 | 1987-03-25 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Verfahren zur Herstellung von N-[1(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanyl-L-proline |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003947A3 (en) * | 2005-07-05 | 2007-05-31 | Cipla Ltd | Process for the synthesis of the ace inhibitor trandolapril |
JP2008545006A (ja) * | 2005-07-05 | 2008-12-11 | シプラ・リミテッド | Ace阻害剤の合成方法 |
US7973173B2 (en) | 2005-07-05 | 2011-07-05 | Cipla Limited | Process for the synthesis of an ACE inhibitor |
US7943655B2 (en) | 2006-04-05 | 2011-05-17 | Universitat Zurich | Polymorphic and pseudopolymorphic forms of trandolaprilat, pharmaceutical compositions and methods for production and use |
WO2011009021A1 (en) | 2009-07-16 | 2011-01-20 | Abbott Laboratories | Processes for the synthesis of (2s, 3ar, 7as)-octahydro-1h-indole carboxylic acid as an intermediate for trandolapril |
US8288565B2 (en) | 2009-07-16 | 2012-10-16 | Abbott Laboratories | Process for the synthesis of (2S,3AR,7AS)-octahydro-1H-indole carboxylic acid as an intermediate for trandolapril |
Also Published As
Publication number | Publication date |
---|---|
JP2007512260A (ja) | 2007-05-17 |
US20070135513A1 (en) | 2007-06-14 |
EP1689711A1 (de) | 2006-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0150263B1 (de) | Derivate der cis, endo-2-Azabicyclo-[3.3.0]-octan-3-carbonsäure, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung | |
EP0111873B1 (de) | Derivate der cis, endo-2-Azabicyclo-(5.3.0)-decan-3-carbonsäure, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung | |
EP0119161B1 (de) | Gewisse Benzazocinon- und Benzazoninon-Derivate, Verfahren zu ihrer Herstellung, pharmazeutische Präparate enthaltend diese Verbindungen, sowie ihre therapeutische Verwendung | |
DE20115704U1 (de) | Amlodipinmaleat mit hoher Reinheit | |
EP0830863A1 (de) | Die gastrointestinale Durchblutung fördernde Arzneimittel | |
DE3211676A1 (de) | Neue derivate von cycloalka (c) pyrrol-carbonsaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie neue cycloalka (c) pyrrol-carbonsaeuren als zwischenstufen und verfahren zu deren herstellung | |
EP0089637A2 (de) | Neue Derivate bicyclischer Aminosäuren, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung sowie neue bicyclische Aminosäuren als Zwischenstufen und Verfahren zu deren Herstellung | |
DE69229339T2 (de) | Kristallines tiagabinehydrochlorid-monohydrat, seine herstellung und verwendung | |
DE3300316A1 (de) | Disubstituierte prolinderivate, verfahren zu ihrer herstellung und ihre verwendung | |
DE60012888T2 (de) | Mevinolinderivate | |
EP0271795A2 (de) | Octahydro-10-oxo-6H-pyridazo [1,2-a] [1,2] diazepin-Derivate, Zwischenprodukte und Verfahren zu deren Herstellung sowie diese enthaltende Arzneimittel | |
DE3300774A1 (de) | Neue spirocyclische aminosaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie neue spirocyclische aminosaeuren als zwischenprodukte und verfahren zu deren herstellung | |
DD283393A5 (de) | Verfahren zur herstellung von perhydroazacycloalka (1,2-a)-imidazol-derivaten | |
WO2005051909A1 (de) | Verfahren zur herstellung von {n-[1-(s)-carbalkoxy-3-phenylpropyl]-s-alanyl-2s, 3ar, 7as-octahydroindol-2-carbonsäure}verbindungen | |
EP0349609A1 (de) | Aminosäureester, verfahren zu ihrer herstellung und ihre verwendung | |
EP0086453B1 (de) | Thiazaspiranderivate, Verfahren zu ihrer Herstellung und Arzneimittel | |
EP0266308B1 (de) | Indolo-pyrazino-benzodiazepin-Derivate | |
EP0557877B1 (de) | Lösliche Salze von 4-Amino-2-(4,4-dimethyl-imidazolidin-2-on-1-yl)-pyrimidin-5 -carbonsäure- N-methyl-N-(3-trifluormethyl-phenyl)- amid, Verfahren zu ihrer Herstellung, ihre Verwendung als Arzneimittel und Ausgangsprodukte | |
EP0003286B1 (de) | Ergopeptidalkaloid-Derivate, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Zusammensetzungen | |
EP0012801A1 (de) | 2-(1-Phenyl-2,5-cyclohexadienyl)-äthylaminderivate, Verfahren zu deren Herstellung, deren Verwendung als pharmazeutische Wirkstoffe sowie diese enthaltende Arzneimittel | |
DE2625110A1 (de) | Cyclopropanolderivate, verfahren zu ihrer herstellung und sie enthaltende arzneimittel | |
DE2602131C2 (de) | 2-Aminomethyl-5-hydroxy-4H-pyran-4-one, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Arzneimittel | |
EP0236263A2 (de) | Substituierte Pyrrolidinone | |
DE3408923A1 (de) | Carboxyalkyldipeptidderivate, verfahren zu deren herstellung, diese enthaltende mittel und deren verwendung | |
EP0013560A1 (de) | Neue rechtsdrehende bicyclische Thia-diaza-verbindung,Verfahren zu ihrer Herstellung, diese enthaltende pharmazeutische Präparate und ihre Verwendung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004797245 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1385/KOLNP/2006 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006540130 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2004797245 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007135513 Country of ref document: US Ref document number: 10580638 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10580638 Country of ref document: US |