Method for detecting and quantifying cariogenic bacteria
CA 2059690 A1 · Owner: Nagase & Co. Ltd. · Inventors: Nishino, Mizuho; Ota, Fusao; Nakamura, Tsutomu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel method for detecting and quantifying cariogenic bacteria is provided, said method being characterized by the following steps:, (a) Streptococcus mutans in a sample to be examined is reacted with at least one polyclonal or monoclonal antibody having a specific reactivity to the microorganism; (b) the antibody bound to the microorganism is separated from the unbound antibody by filtration through a membrane filter; and, (c) the bound antibody captured on the filter is detected by a suitable means. The present method enables to rapidly and conveniently detect S. mutans in a high sensitivity without the need of selective cultivation of a sample before detection, and without the problem …
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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 20, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 20, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 20, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.