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Expired Canadian patentCanada

Vaccine protecting against pig haemophilosis

CA 2035474 C · Owner: Rolland, Eric · Inventors: Rolland, Eric; Desmettre, Philippe; Prevost, Philippe

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 protecting vaccine agains pig haemophilosis includes the toxin from serotype1 Haemophilus (Actinobacillus) pleuropneumoniae, which is the basis for the cytotoxic and haemolytic activity of H. pleuropneumoniae, in a vehicle or excipient belonging to the types used in the preparation of vaccines.

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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

  • Filed September 25, 1990 and granted December 3, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 25, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 2012.
  • 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 25, 1990
GrantedDecember 3, 2002
Term endedSeptember 25, 2010
Patent numberCA 2035474 C
Classification (IPC)C12P21/00 +1 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedSep 25, 1990Patent grantedDec 3, 2002Term endedSep 25, 2010

Sources & verification

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