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Canadian application, no grantCanada

Methods for enhancing the production of cytokines in cell culture

CA 2376487 A1 · Owner: Lau, Allan S. · Inventors: Lau, Allan S.; Browning, Laura

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention is directed to methods for enhancing the production of cytokines in mammalian cell culture by modifying the level of a cytokine regulatory factor in the cells, resulting in enhanced levels of cytokine production. The invention is further directed to cell lines which exhibit enhanced cytokine regulatory factor expression and enhanced cytokine expression.

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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 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 14, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2022.
  • 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 14, 2000
GrantedNo grant recorded
Term endedJune 14, 2020
Patent numberCA 2376487 A1
Classification (IPC)C12P21/00 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJune 14, 2000Term endedJune 14, 2020

Sources & verification

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