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Expired Canadian patentCanada

Process for the preparation of foreign proteins in streptomycetes

CA 1338338 C · Owner: Hoechst Aktiengesellschaft · Inventors: RIEß, GUNTHER JOHANNES; Koller, Klaus-Peter

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 tendamistat gene can be used for the construction of fused genes with which fusion proteins are expressed and excreted in Streptomycetes host cells. The tendamistat portion can be modified, in particular it can be C-terminal shortened.

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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 May 21, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 4, 1988
GrantedMay 21, 1996
Term endedMay 21, 2013
Patent numberCA 1338338 C
Classification (IPC)C12N15/76 +2 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedMay 4, 1988Patent grantedMay 21, 1996Term endedMay 21, 2013

Sources & verification

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