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Expired Canadian patentCanada

Growth hormone antagonists

CA 2067136 C · Owner: Ohio University · Inventors: Kopchick, John J.; Chen, Wen Y.

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

The present invention relates to, growth inhibitory antagonists of bovine growth hormone obtained by mu-, tation of the third alpha helix of that protein. These novel hormones may be, administered exogenously to animals or transgenic animals may be made, that express the antagonist and thereby exhibited a reduced growth phenotype.

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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 October 12, 1990 and granted July 29, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 12, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 12, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 12, 1990
GrantedJuly 29, 2003
Term endedOctober 12, 2010
Patent numberCA 2067136 C
Classification (IPC)C12N15/18 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedOct 12, 1990Patent grantedJuly 29, 2003Term endedOct 12, 2010

Sources & verification

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