Material processing by repeated solvent expansion-contraction

Details for Australian Patent Application No. 2001234659 (hide)

Owner Boehringer Ingelheim Pharmaceuticals, Inc.

Inventors Horhota, Stephen; Bochniak, David Joseph; Saim, Said

Agent Davies Collison Cave

Pub. Number AU-B-2001234659

PCT Pub. Number WO01/66215

Priority 60186888 03.03.00 US

Filing date 30 January 2001

Wipo publication date 17 September 2001

Acceptance publication date 23 March 2006

International Classifications

B01D 11/02 (2006.01) Solvent extraction - of solids

B01D 9/00 (2006.01) Crystallisation

Event Publications

23 March 2006 Application Accepted

  Published as AU-B-2001234659

20 July 2006 Standard Patent Sealed

26 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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