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Expired Canadian patentCanada

Human che type proteins and their production

CA 1301095 C · Owner: Yeda Research And Development Co. Ltd. · Inventors: Soreq, Hermona

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Abstract From the Canadian patent

There is provided genetically engineered protein having human ChE activity, and more particularly the activity of human AChE or human pseudo-ChE. There are provided DNA sequences encoding such proteins and more specifically DNA sequences comprising the entire coding region for encoding such complete proteins, and DNA expression vectors comprising such sequences. There is provided DNA which has been, joined outside living cells capable of infecting culturable cells, to be maintained therein and in progenies thereof which is adapted to encode such active proteins. The invention further provides culturable cells infected with recombinant DNA defined above and to purified, proteins having human …

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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 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 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.
FiledJune 16, 1986
GrantedMay 19, 1992
Term endedMay 19, 2009
Patent numberCA 1301095 C
Classification (IPC)C12N15/55 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJune 16, 1986Patent grantedMay 19, 1992Term endedMay 19, 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.