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Legal status
Patent not validated
(51) | INT.CL. | C07F 9/58 | |
C07F 9/38 |
(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 |
(86) | Number | PCT/HU2004/000009 |
Date | 2004-01-27 |
(87) | Number | WO 2004/067541 |
Date | 2004-08-12 |
(30) | Number | Date | Country code |
0300227 | 2003-01-28 | HU |
(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
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(73) |
Richter Gedeon Nyrt.,
Gyömröi śt 19-21, 1103 Budapest,
HU
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(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 |