One step assay method for detecting end product of nucleotide amplification products such as polymerase chain reaction (pcr)
CA 2223705 A1 · Owner: Guo, Jianping · Inventors: Chang, Alex; Jia, William; Guo, Jianping
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polymerase Chain Reaction (PCR) is a process to amplify a specific segment of DNA, from minute amount of genetic material such as blood drops or hairs. Traditional method for detecting the amplified DNA product is by using the agarose gel, electrophoresis for size separation. And then the ethidium bromide treated gel will be, observed under UV light. In this invention one step assay test strip is used to detect the amplified product directly, after the PCR process in a fast and convenient way. The use of ethidium bromide and, agarose gel electrophoresis are not required.
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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 February 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2020.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.