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Canadian application, no grantCanada

Methods and compositions for determining the sequence of nucleic acid molecules

CA 2243560 A1 · Owner: Rapigene, Inc. · Inventors: Howbert, J. Jeffry; Van Ness, Jeffrey; Tabone, John C.

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Abstract From the Canadian patent

Methods and compounds, including compositions therefrom are provided for , determining the sequence of nucleic acid molecules. The methods permit the determination of multiple nucleic acid sequences simultaneously. The compounds are used as tags to generate tagged nucleic acid fragments which are complementary to a selected target nucleic acid molecule. Each tag is correlative with a particular nucleotide and in a preferred embodiment, is , detectable by mass spectrometry. Following separation of the tagged fragments by sequential length, the tags are cleaved from the tagged fragments. In a preferred embodiment, the tags are detected by mass spectrometry and the sequence of the …

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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 January 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 1997
GrantedNo grant recorded
Term endedJanuary 23, 2017
Patent numberCA 2243560 A1
Classification (IPC)C07H21/00 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJan 23, 1997Term endedJan 23, 2017

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