USPatentGranted
B2

Pyrrolobenzodiazepines and targeted conjugates

Granted 12 Jul 2016 · 4 office actions

Current assignee: Seagen Inc. · originally AstraZeneca

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Inventors: Patrick Burke, Scott Jeffrey, Philip Wilson Howard · Examiner: Bruck Kifle · AU 1622 · TC 1600

Life of the patent

4 dated events
⤢ drag to zoomJan 2012Jul 2012Jan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016Prosecution
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Abstract

A compound, or a pharmaceutically acceptable salt or solvate thereof, or conjugates thereof, selected from the group consisting of formula wherein: (a) R 10 is H, and R 11 is OH, OR A , where R A is saturated C 1-4 alkyl; (b) R 10 and R 11 form a nitrogen-carbon double bond between the nitrogen and carbon atoms to which they are bound; or (c) R 10 is H and R 11 is S0 2 M, where z is 2 or 3 and M is a monovalent pharmaceutically acceptable cation, or both M together are a divalent pharmaceutically acceptable cation. [structure] [structure]

Claims

5 · 2 independent · depth 2
12345
5 granted claims

Classifications

3 codes
IPC · International Patent Classification
Section A — Human necessities
  • A61K47/48
Section C — Chemistry; metallurgy
  • C07D471/04
  • C07D487/04

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Pendency
3.7 y
1,369 days filing → grant
Office actions
2
non-final + final
Responses
3
2 RCE
Examiner
Bruck Kifle
art unit 1622 · TC 1600
Citations: 347 back · 0 forward

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Priority chain

2 priority documents
Priority
14 Oct 2011
earliest claimed
›Priority documents — 2
TypeDocumentDate
provisionalUS 6154719214 Oct 2011
related publicationUS 20140286970 A125 Sep 2014

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Citations

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