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Expired Canadian patentCanada

Cyclosporin crystal form, processes for its production pharmaceutical compositions containing it and its use

CA 1341396 C · Owner: Richter, Friedrich · Inventors: Uike, Yasuyuki; List, Martin; Weber, Hans Peter

CIPO record

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Abstract From the Canadian patent

Novel pharmaceutical compositions, in particular topical forms e.g. for dermal or topical ophthalmic use and injectible forms, e.g. for, intra-lesional or intra-articular injection comprising Ciclosporin as, active ingredient in orthorhombic crystal form. Ciclosporin in non-solvate orthorhombic crystal form is preferred for use in the compositions of the invention, is new and also part of the invention together with its use and processes for its production.

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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 5, 2002. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2019.
  • 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 21, 1988
GrantedNovember 5, 2002
Term endedNovember 5, 2019
Patent numberCA 1341396 C
Classification (IPC)C07K7/64 +2 more

Timeline

Timeline From CIPO dates

19891993199720012005200920132017Application filedDec 21, 1988Patent grantedNov 5, 2002Term endedNov 5, 2019

Sources & verification

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