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Legal status
Patent not validated
| (51) | INT.CL. | C07C 213/08 | |
| C07C 217/62 |
| (11) | Number of the document | 1636169 |
| (13) | Kind of document | T |
| (96) | European patent application number | 04740107.0 |
| Date of filing the European patent application | 2004-06-21 | |
| (97) | Date of publication of the European application | 2006-03-22 |
| (45) | Date of publication and mention of the grant of the patent | 2010-06-02 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2004/006666 |
| Date | 2004-06-21 |
| (87) | Number | WO 2005/000788 |
| Date | 2005-01-06 |
| (30) | Number | Date | Country code |
| 10328316 | 2003-06-23 | DE |
| (72) |
JAGUSCH, Utz-Peter, DE
HÖLDERICH, Wolfgang, DE
WISSLER, Monika, DE
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| (73) |
Grünenthal GmbH,
Zieglerstrasse 6, 52078 Aachen,
DE
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| (54) | VERFAHREN ZUR DEHYDRATISIERUNG SUBSTITUIERTER 4-DIMETHYLAMINO-2-ARYL-BUTAN-2-OL-VERBINDUNGEN UND VERFAHREN ZUR HERSTELLUNG SUBSTITUIERTER DIMETHYL-(3-ARYL-BUTYL)-AMIN-VERBINDUNGEN MITTELS HETEROGENER KATALYSE |
| METHOD FOR DEHYDRATING SUBSTITUTED 4-DIMETHYLAMINO-2-ARYL-BUTAN-2-OL COMPOUNDS AND METHOD FOR PRODUCING SUBSTITUTED DIMETHYL-(3-ARYL-BUTYL)-AMINE COMPOUNDS BY MEANS OF HETEROGENEOUS CATALYSIS |