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Expired Canadian patentCanada

Magnetic in situ dilution

CA 2423630 C · Owner: Bamdad, Cynthia C. · Inventors: Bamdad, Cynthia C.

CIPO record

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Abstract From the Canadian patent

The invention involves methods, assays and components for the detection and , analysis of binding between biological or chemical species and can , specifically be used for drug discovery. In an example where drug discovery is carried out, different candidate drugs can be attached to different articles such as magnetic beads. The beads can be exposed to colloid particles carrying signaling entities, or other signaling entities immobilized with respect to , protein targets of the drug candidates. After incubation all beads are drawn , to separate surface locations magnetically. Beads are released from surface locations where it is determined that signaling entities do not exist and are , …

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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 October 3, 2001 and granted December 6, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 3, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 3, 2001
GrantedDecember 6, 2011
Term endedOctober 3, 2021
Patent numberCA 2423630 C
Classification (IPC)G01N33/54 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedOct 3, 2001Patent grantedDec 6, 2011Term endedOct 3, 2021

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