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Expired Canadian patentCanada

Recombinant methods for production of serine protease inhibitors and methods for isolation of same

CA 1296273 C · Owner: Eisenberg, Stephen P. · Inventors: Bandyopadhyay, Pradip K.; Stetler, Gary L.; Thompson, Robert C.

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Abstract From the Canadian patent

A synthetic DNA sequence and its genetic equivalents are disclosed which sequences are capable, when used in a recombinant DNA method, of directing production of a serine protease inibitor protein. Recombinant DNA methods for the production of serine protease inhibitor proteins are also disclosed. These methods incorporate either the synthetic DNA sequence of the present invention or natural DNA sequences isolated from human cDNA or genomic libraries.

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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 February 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2009.
  • 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, 1985
GrantedFebruary 25, 1992
Term endedFebruary 25, 2009
Patent numberCA 1296273 C
Classification (IPC)C12P21/00 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 5, 1985Patent grantedFeb 25, 1992Term endedFeb 25, 2009

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