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Expired Canadian patentCanada

Methods of treating cancer using modified c-reactive protein

CA 2132001 C · Owner: Northwestern University · Inventors: Anderson, Byron E.; Potempa, Lawrence A.; Kresl, John J.

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 invention provides a method of treating cancer in a mammal comprising administering to the mammal an effective amount of modified C-reactive protein ("mCRP"). The invention also provides a method of treating cancer in a mammal comprising administering to the mammal mCRP in combination with another agent such as a chemotherapeutic compound, immunoadjuvant or cytokine. The mCRP may be administered to the mammal in a pharmaceutically-acceptable carrier or in liposomes. The invention further provides a method of identifying cancer cells in a mammal using mCRP as an imaging agent.

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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

  • Filed April 22, 1993 and granted February 15, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 22, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 22, 2015.
  • 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 22, 1993
GrantedFebruary 15, 2000
Term endedApril 22, 2013
Patent numberCA 2132001 C
Classification (IPC)A61K49/00 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedApril 22, 1993Patent grantedFeb 15, 2000Term endedApril 22, 2013

Sources & verification

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