USPatentGranted
B2

Tricyclic compound and pharmaceutical use thereof

Granted 27 Nov 2012 · no office action yet

Assignee: Takeda Pharmaceutical Company Limited

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Attorney: Attorney · Log in to unlock

Inventors: Takafumi Takai, Tatsuki Koike, Yasutaka Hoashi, Osamu Uchikawa · Examiner: Matthew Coughlin

Life of the patent

5 dated events
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Abstract

The present invention provides a compound represented by the formula [structure] which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.

Claims

3 · 3 independent · depth 1
123
3 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section A — Human necessities
  • A61K31/428
Section C — Chemistry; metallurgy
  • C07D277/60
USPC · US Patent Classification
514/366548/150

Claim changes

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File wrapper

⤢ drag to zoomApr 2011Jul 2011Oct 2011Jan 2012Apr 2012Jul 2012Oct 2012Jan 2013USPTOApplicantNotice of allowance
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Pendency
1.7 y
624 days filing → grant
Office actions
0
none on record
Responses
1
no RCE
Examiner
Matthew Coughlin
art unit —
Citations: 46 back · 0 forward

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Term & fees

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20110196003 A111 Aug 2011

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Citations

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