Multiple section culture medium and complementary elective culture
CA 2087950 A1 · Owner: Milian Instruments S.A. · Inventors: Engelbrecht, Eduard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Multiple section culture medium support filled or not with complementary (micro)biological culture mediums. The invention provides for doubling of the walls separating the culture medium-bearing portions. It also provides for the division of the support into various sized sections to include at least one smaller section for filling with a selective medium and at least one larger section for filling with an elective medium. A novel elective culture medium is developped for this purpose and contains, in particular, an acidity indicator and saccharose and/or lactose or mannitol. Said elective culture medium is rendered elective in relation to Gram Negative bacteria by the addition of …
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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 March 26, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 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
Timeline From CIPO dates
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.