Improved vaccines for proliferative ileitis and methods of making and using the same
CA 2423588 A1 · Owner: Joens, Lynn A. · Inventors: Joens, Lynn A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A proliferative ileitis vaccine comprising tissue culture grown Lawsonia intracellularis and methods of making said vaccines. Proliferative ileitis vaccines described include those containing whole L. intracellularis extracts , of L. intracellularis, protective immunogenic submits of L. intracellularis recombinant immunogens of L. intracellularis and naked DNA of L. intracellularis. The vaccines of this invention may be inactivated or modified live and contain adjuvants and/or stabilizers. The vaccines of this invention may be in a liquid or lyophilized form. Also disclosed are monoclonal antibodies which neutralize the growth of L. intracellularis and which may be used for …
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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 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2023.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.