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Canadian application, no grantCanada

Compositions and methods for array-based genomic nucleic acid analysis of biological molecules

CA 2446050 A1 · Owner: Marathi, Upendra · Inventors: Bradley, Allan; Cai, Wei Wen; Marathi, Upendra

CIPO record

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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 invention provides biological molecules modified by reaction with a compound having the formula (I): R1-X-R2 wherein R1 is a cyclic ether group , or an amino group R2 is an alkoxysilane group and X is a moiety chemically suitable for linking the cyclic ether group or the amino group to the alkoxysilane group. The invention also provides arrays or "biochips", comprising these modified biological molecules. Also provided are methods for making and using these compositions.

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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 May 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 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.
FiledMay 10, 2001
GrantedNo grant recorded
Term endedMay 10, 2021
Patent numberCA 2446050 A1
Classification (IPC)C07H21/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMay 10, 2001Term endedMay 10, 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.