Cytokine production
CA 2089389 A1 · Owner: Brandon, Malcolm Roy · Inventors: Brandon, Malcolm Roy; Meeusen, Elsa Nicole Theresia; Nash, Andrew Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for identifying nucleotide sequences coding for a polypeptide exhibiting specific ruminant cytokine or cytokine receptor activity or a fragment thereof, which process includes providing a vector including a complementary DNA (cDNA) sequence derived from ruminant cells or an extract thereof capable of being expressed in a unicellular organism; a unicellular organism; and a DNA probe for a homologous cytokine; introducing the vector into the said unicellular organism; culturing the organism to express a polypeptide encoded therein; probing the organism with the DNA probe; and isolating a vector containing a cDNA sequence encoding for a polypeptide exhibiting specific ruminant …
Read the whole patent
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 August 13, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2013.
- 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.