Compositions and methods to prevent microbial contamination of plant tissue culture media
CA 2222935 C · Owner: Guri, Assaf Z. · Inventors: Patel, Kishor N.; Guri, Assaf Z.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention encompasses compositions and methods to reduce or prevent microbial growth in plant tissue culture media comprising adding a , chemical agent comprising methylchloroisothiazolinone methylisothiazolinone, magnesium chloride and magnesium nitrate to a plant culture medium at a concentration that reduces or prevents microbial contamination of the plant tissue culture medium and that allows substantially normal germination of seeds or substantially normal growth or development of plants plant organs, plant tissues or plant cells. The chemical agent may further comprise potassium sorbate or sodium benzoate, or both. The present invention further provides a kit for …
Read the whole patent
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 June 3, 1996 and granted February 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 3, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 2018.
- 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.