Patent Yard Sign in
Canadian application, no grantCanada

6,7-disubstituted-4-aminopyrido2,3-dpyrimidine compounds

CA 2287465 A1 · Owner: Bhagwat, Shripad S. · Inventors: Gu, Yu-Gui; Bhagwat, Shripad S.; Lee, Chih-Hung

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A compound having formula (I), wherein R1 R2, R3 and R4 are defined variables , selected from the groups as specified herein which include alkyl aryl, heteroaryl and heterocyclic and substituted versions thereof a method for , inhibiting adenosine kinase by administering a compound thereof a , pharmaceutical composition comprising a therapeutically effective amount of a compound thereof above in combination with a pharmaceutically acceptable carrier, a method of treating cerebral ischemia epilepsy, nociperception, pain, inflammation and sepsis in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound thereof, and methods …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed April 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 16, 1998
GrantedNo grant recorded
Term endedApril 16, 2018
Patent numberCA 2287465 A1
Classification (IPC)C07D471/04 +1 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 16, 1998Term endedApril 16, 2018

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.