Method for crystallizing guanidinium salts

Details for Australian Patent Application No. 2004235886 (hide)

Owner Merck Patent GmbH

Inventors Bartmann, Ekkehard; Bensinger, Dieter; Kirschbaum, Michael; Haas, Alexander; Lippert, Ricky

Agent Davies Collison Cave

Pub. Number AU-B-2004235886

PCT Pub. Number WO2004/099125

Priority 103 20 016.9 06.05.03 DE

Filing date 10 April 2004

Wipo publication date 18 November 2004

Acceptance publication date 1 July 2010

International Classifications

C07C 277/08 (2006.01) Preparation of guanidine or its derivatives, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups

C07C 317/44 (2006.01) Sulfones

C07D 207/337 (2006.01) Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 307/68 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C07D 207/32 (2006.01) Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

Event Publications

22 December 2005 PCT application entered the National Phase

  PCT publication WO2004/099125 Priority application(s): WO2004/099125

1 July 2010 Application Accepted

  Published as AU-B-2004235886

28 October 2010 Standard Patent Sealed

3 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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