Polymerase enhancing factor (pef) extracts, pef protein complexes, isolated pef protein, and methods for purifying and identifying
CA 2283635 A1 · Owner: Stratagene · Inventors: Hansen, Connie J.; Hogrefe, Holly
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides novel extracts, proteins and complexes that improve , the polymerization activity of nucleic acid polymerases. Included within the aspects of the invention are methods for identifying compositions with a polymerase enhancing activity, methods for purifying and using these compositions, and specific extracts, proteins and complexes that function to , enhance polymerase activity. As an example specifically described is , nucleotide and amino acid sequence information for a Pyrococcus furiousus PEF (P45), which was used to produce a recombinant PEF.
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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 March 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2020.
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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.