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Expired Canadian patentCanada

Method for in vitro immunisation of lymphocytes for use in production ofhuman monoclonal antibodies and kit therefor

CA 1340099 C · Owner: Moller, Susanna · Inventors: Danielsson, Lena; Moller, Susanna; Borrebaeck, Carl

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Abstract From the Canadian patent

A method for the removal of, for in vitro immunisation undesired cells from human lymphocyte containing cell populations is disclosed. For the method, use is made of lysosomotropic agents which are caused to act in vitro on human lymphocyte containing cell populations. Also disclosed is a method in the in vitro immunisation of lymphocytes for use in the production of human monoclonal antibodies. In this method lysosomotropic, agents are caused to act in vitro on human lymphocyte containing cell populations for removing cell populations having a negative effect on the in vitro immunisation, whereupon the lymphocytes are in vitro immunised antigen-specifically and immortalised. Finally a kit …

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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 October 27, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 3, 1987
GrantedOctober 27, 1998
Term endedOctober 27, 2015
Patent numberCA 1340099 C
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006200920122015Application filedSep 3, 1987Patent grantedOct 27, 1998Term endedOct 27, 2015

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