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Canadian application, no grantCanada

Methods for producing heterologous disulfide bond-containing polypeptides in bacterial cells

CA 2293611 A1 · Owner: Georgiou, George · Inventors: Swartz, James R.; Qiu, Ji; Georgiou, George

CIPO record

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Abstract From the Canadian patent

Disclosed are methods and compositions for producing heterologous disulfide bond containing polypeptides in bacterial cells. In preferred embodiments the , methods involve co-expression of a prokaryotic disulfide isomerase such as , DsbC or DsbG and a gene encoding a recombinant eukaryotic polypeptide. Exemplary polypeptides disclosed include tissue plasminogen activator.

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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 June 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 9, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 9, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 1998
GrantedNo grant recorded
Term endedJune 9, 2018
Patent numberCA 2293611 A1
Classification (IPC)C12N15/70 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 9, 1998Term endedJune 9, 2018

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