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Expired Canadian patentCanada

Receptor protein for human b cell stimulatory factor-2

CA 1341152 C · Owner: Kishimoto, Tadamitsu · Inventors: Kishimoto, Tadamitsu

CIPO record

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Abstract From the Canadian patent

An isolated receptor protein for human B cell stimulatory factor-2, capable of specifically binding to the human B cell stimulatory factor-2; DNA coding for the above-mentioned receptor protein; expression vectors containing the above-mentioned DNA; host organisms transformed with the above-mentioned expression vector; a process for production of the receptor protein comprising culturing the host organisms in a medium to produce the receptor protein and recovering the receptor protein from the culture; and an antibody reacting with the protein.

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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 December 12, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 12, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 19, 1989
GrantedDecember 12, 2000
Term endedDecember 12, 2017
Patent numberCA 1341152 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008201120142017Application filedJan 19, 1989Patent grantedDec 12, 2000Term endedDec 12, 2017

Sources & verification

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