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Expired Canadian patentCanada

Synthetic immunogen

CA 1267087 C · Owner: Boon, Petrus Johannes · Inventors: Boon, Petrus Johannes; Visser, Nicolaas

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 present invention concerns novel immunogens. These immunogens comprise novel compounds which consist of an antigen or antigenic determined coupled to an amphiphilic adjuvant molecule and optionally also free amphiphilic adjuvant molecules. An advantageous feature of these novel immunogens is the presence of both an excellent immunogens activity as well as a pronounced adjuvant activity in a single complex.

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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 March 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 12, 1986
GrantedMarch 27, 1990
Term endedMarch 27, 2007
Patent numberCA 1267087 C
Classification (IPC)A61K39/38 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedFeb 12, 1986Patent grantedMarch 27, 1990Term endedMarch 27, 2007

Sources & verification

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