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Expired Canadian patentCanada

Combination of 1,8-hydroxy and/or acyloxy anthracene or anthrone derivatives and pyrimidine derivatives to induce and stimulate hair growth and reduce hair loss

CA 1341264 C · Owner: Grollier, Jean-Francois · Inventors: Grollier, Jean-Francois

CIPO record

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

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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 June 26, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 2018.
  • 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 5, 1988
GrantedJune 26, 2001
Term endedJune 26, 2018
Patent numberCA 1341264 C
Classification (IPC)A61K31/50 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedDec 5, 1988Patent grantedJune 26, 2001Term endedJune 26, 2018

Sources & verification

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