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PATENT REGISTER
Status Expired Patent No. 0918791
Application No. 97937562.3 Date of Filing 11/08/1997
Date Grant Published 03/04/2002 Application Published 02/06/1999
Title of Invention PROCESS FOR PRODUCING DROSPIRENONE AND INTERMEDIATES THEREOF
Priority
Priority Country Filing Date Application No.
 Germany  12/08/1996  19633685
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
Year Date Renewed
 20  09/08/2016
 19  10/08/2015
 18  12/08/2014
 17  12/08/2013
 16  17/08/2012
 15  23/08/2011
 14  20/08/2010
 13  21/08/2009
 12  16/07/2008
 11  18/07/2007
 10  17/07/2006
 9  19/07/2005
 8  20/07/2004
 7  30/07/2003
 6  15/07/2002
Publication Language English
Translation Received Date 26/06/2002
08/07/2002 Address for Service recorded as F.R. KELLY & CO., 27 Clyde Road, Dublin 4, IE.
08/07/2002 Translation received on 26/06/02
21/11/2002 Correction of clerical errors, filed on 18/11/2002
28/03/2003 Divisional Application number: 01250278.7 Publication number: 1149841 Date of receipt: 25/07/2001
03/06/2009 Change of name and address of proprietor from Schering Aktiengesellschaft , Patente Müllerstrasse 178, Postfach 65 03 11, 13342 Berlin, Germany to Bayer Schering Pharma Aktiengesellschaft, Müllerstrasse 170/178, 13353 Berlin, Germany recorded on 03/06/2009.
29/06/2011 Request for limitation of patent specification filed on 06/05/2011
21/09/2011 Change of name of proprietor from Bayer Schering Pharma Aktiengesellschaft, Müllerstrasse 170/178, 13353 Berlin, Germany to Bayer Pharma AG, Müllerstrasse 178, 13353 Berlin, Germany recorded on 14/09/2011.
23/01/2012 Request for limitation of patent specification allowed on 07/10/2011
12/04/2012 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 10/04/12
28/09/2017 Patent expired on 10/08/2017.