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Expired Canadian patentCanada

Morpholinoethylester of mycophenolic acid and derivatives thereof

CA 1333285 C · Owner: Roche Palo Alto Llc · Inventors: Nelson, Peter H.; Gu, Chee-Liang Leo; Allison, Anthony C.

CIPO record

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

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Abstract From the Canadian patent

The compounds and pharmaceutical compositions of Formula A, wherein Z is hydrogen or -C(O)R where R is, lower alkyl or aryl, and the pharmaceutically acceptable salts thereof, are useful as immunosuppressive agents anti-inflammatory agents, anti-tumor agents anti-viral, agents, and anti-psoriatic agents.

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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

  • Granted November 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 15, 1987
GrantedNovember 29, 1994
Term endedNovember 29, 2011
Patent numberCA 1333285 C
Classification (IPC)C07D413/12 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 15, 1987Patent grantedNov 29, 1994Term endedNov 29, 2011

Sources & verification

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