Dementia remedies containing 2-aryl-8-oxodihydropurine derivatives as the active ingredient

Details for Australian Patent Application No. 2001272787 (hide)

Owner Dainippon Sumitomo Pharma Co., Ltd.

Inventors Furukawa, Kiyoshi; Hashimoto, Takashi; Kurumiya, Satoshi

Agent Griffith Hack

Pub. Number AU-B-2001272787

PCT Pub. Number WO02/10167

Priority 2000-230209 31.07.00 JP

Filing date 24 July 2001

Wipo publication date 13 February 2002

Acceptance publication date 23 March 2006

International Classifications

C07D 473/00 (2006.01) Heterocyclic compounds containing purine ring systems

A61K 31/522 (2006.01)

A61P 25/28 (2006.01) Drugs for disorders of the nervous system

Event Publications

2 March 2006 Change of Name(s) of Applicant(s), Section 104

  Dainippon Pharmaceutical Co., Ltd. The name of the applicant has been changed to Dainippon Sumitomo Pharma Co., Ltd.

23 March 2006 Application Accepted

  Published as AU-B-2001272787

20 July 2006 Standard Patent Sealed

18 February 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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