Process for the production of 16,17-[(cyclohexylmethylen)bis(oxy)]-11 ,21-Dihydroxy-pregna-1,4-dien-3,20-dio n or its21-isobutyrat by transketalisation

Details for Australian Patent Application No. 2002229536 (hide)

Owner ALTANA Pharma AG

Inventors Schmidt, Beate

Agent Griffith Hack

Pub. Number AU-B-2002229536

PCT Pub. Number WO02/38584

Priority 00124626 10.11.00 EP

Filing date 6 November 2001

Wipo publication date 21 May 2002

Acceptance publication date 19 April 2007

International Classifications

C07J 71/00 (2006.01) Steroids in which the cyclopenta[a]hydrophenanthrene skeleton is condensed with a heterocyclic ring

C07B 61/00 (2006.01) Other general methods

Event Publications

19 April 2007 Application Accepted

  Published as AU-B-2002229536

16 August 2007 Standard Patent Sealed

22 November 2007 Change of Name(s) of Applicant(s), Section 104

  ALTANA Pharma AG The name of the applicant has been changed to Nycomed GmbH Change of Name(s) of Applicant(s), Section 104

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