| PATENT REGISTER | |||||||||||||||||||||
| Status | Expired | Patent No. | 1149840 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Application No. | 01250277.9 | Date of Filing | 11/08/1997 | ||||||||||||||||||
| Date Grant Published | 07/01/2009 | Application Published | 31/10/2001 | ||||||||||||||||||
| Title of Invention | Process for preparation of drospirenon | ||||||||||||||||||||
| Priority |
|
||||||||||||||||||||
| Inventors |
Mohr, Jörg-Thorsten Nickisch, Klaus |
||||||||||||||||||||
| Current Proprietor |
Bayer Pharma AG Müllerstrasse 178 13353 Berlin GERMANY |
||||||||||||||||||||
| Address for service |
RWS TRANSLATIONS Europa House Chiltern Park Chiltern Hill Chalfont St Peter Bucks SL9 9FG UNITED KINGDOM |
||||||||||||||||||||
| Renewal Fees |
|
||||||||||||||||||||
| Earlier Application No. 97937562.3 | Expired | ||||||||||||||||||||
| Publication Language | German | ||||||||||||||||||||
| Translation Received Date | 07/04/2009 | ||||||||||||||||||||
| 15/04/2009 | Address for Service recorded as F.R. KELLY & CO. 27 Clyde Road, Ballsbridge, Ireland received on 07/04/2009. | ||||||||||||||||||||
| 15/04/2009 | Translation received on 07/04/2009 | ||||||||||||||||||||
| 21/04/2009 | Divisional Application number: 09100011.7 Date of receipt: 06/01/2009 | ||||||||||||||||||||
| 21/09/2011 | Change of name of proprietor from Bayer Schering Pharma Aktiengesellschaft, Müllerstrasse 178, 13353 Berlin, Germany to Bayer Pharma AG, Müllerstrasse 178, 13353 Berlin, Germany recorded on 14/09/2011. | ||||||||||||||||||||
| 19/04/2013 | Title Changed From "Drospirenon (6b, 7b, 15b, 16b-Dimethylene-3-oxo-17alpha-pregn-4-ene-21, 17-carbolactone, DRSP) with less than 0,2% impurities" To "Process for preparation of drospirenon" | ||||||||||||||||||||
| 23/05/2013 | Amendment of patent specification as a result of opposition proceedings at the EPO on 15/05/2013 | ||||||||||||||||||||
| 27/06/2013 | Change of Address for Service from FRKelly, 27 Clyde Road, Ballsbridge, Dublin 4, Ireland to RWS TRANSLATIONS, Europa House, Chiltern Park, Chiltern Hill, Chalfont St Peter, Bucks SL9 9FG, United Kingdom recorded on 25/06/13 | ||||||||||||||||||||
| 28/09/2017 | Patent expired on 10/08/2017. | ||||||||||||||||||||
