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LT - INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 2-SUBSTITUTED 1-(HYDROXY-ETHYLIDENE)-1,1-BISPHOSPHONIC ACIDS OF HIGH PURITY AND THE SALTS THEREOF
EN - INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 2-SUBSTITUTED 1-(HYDROXY-ETHYLIDENE)-1,1-BISPHOSPHONIC ACIDS OF HIGH PURITY AND THE SALTS THEREOF

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Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. C07F 9/58
C07F 9/38
European patent
(11) Number of the document 1587814
(13) Kind of document T
(96) European patent application number 04705466.3
Date of filing the European patent application 2004-01-27
(97) Date of publication of the European application 2005-10-26
(45) Date of publication and mention of the grant of the patent 2009-01-14
(46) Date of publication of the claims translation
PCT application
(86) Number PCT/HU2004/000009
Date 2004-01-27
PCT application publication
(87) Number WO 2004/067541
Date 2004-08-12
Priority applications
(30) Number Date Country code
0300227 2003-01-28 HU
Inventors
(72)
NEU, József, HU
FISCHER, Jįnos, HU
FODOR, Tamįs, HU
TÖRLEY, József, HU
GIZUR, Tibor, HU
LÉVAI, Sįndor, HU
DEMETER, Àdįm, HU
PERÉNYI, Éva, HU
Grantee
(73) Richter Gedeon Nyrt., Gyömröi śt 19-21, 1103 Budapest, HU
Title
(54) INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 2-SUBSTITUTED 1-(HYDROXY-ETHYLIDENE)-1,1-BISPHOSPHONIC ACIDS OF HIGH PURITY AND THE SALTS THEREOF
  INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 2-SUBSTITUTED 1-(HYDROXY-ETHYLIDENE)-1,1-BISPHOSPHONIC ACIDS OF HIGH PURITY AND THE SALTS THEREOF