Recombinant escherichia coli that produces bricella o-chain polysaccharide
CA 1340045 C · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Agriculture Canada · Inventors: Surujballi, Om P.; Rigby, Charlotte E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Recombinant strains of Escherichia coli which express the O-chain polysaccharide of Brucella abortus were produced. The recombinant O-chain polysaccharide derived from these E. coli strains can be used in the diagnosis of Brucella infections and as vaccines against Brucella infections.
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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 September 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 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.
Timeline
Timeline From CIPO dates
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.