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Expired Canadian patentCanada

Therapeutic agent for thrombocytopenia

CA 1332149 C · Owner: Motoyoshi, Kazuo · Inventors: Takaku, Fumimaro; Motoyoshi, Kazuo

CIPO record

Overview

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

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Abstract From the Canadian patent

A therapeutic agent for thrombocytopenia due to hemopoietic disorder induced by various causes comprises as an active ingredient a specific human monocytemacrophage colony stimulating factor. It is administered for the treatment and/or prevention of such thrombocytopenia.

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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 September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 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.
FiledFebruary 10, 1989
GrantedSeptember 27, 1994
Term endedSeptember 27, 2011
Patent numberCA 1332149 C
Classification (IPC)C07K16/24 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedFeb 10, 1989Patent grantedSep 27, 1994Term endedSep 27, 2011

Sources & verification

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