Concentrated aqueous formulations for crop protection
CA 2568713 C · Owner: Rude, Janine · Inventors: Schnabel, Gerhard; Rude, Janine; Frisch, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Liquid aqueous formulations of water-soluble active crop protectant ingredients, comprising, (a) one or more water-soluble active crop protectant ingredients (type (a) active ingredients), (b) if desired one or more water-insoluble active crop protectant ingredients (type (b) active ingredients) (c) if desired, organic solvents, (d) nonionic cationic, anionic and/or zwitterionic surfactants (e) nonionic surfactants from the group of the alkylpolyglycosides (f) inorganic salts from the group of ammonium salts (g) if desired, other nonionic, anionic cationic and/or zwitterionic , surfactants (h) if desired, other customary formulation assistants and , (i) water, are suitable as …
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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 May 21, 2005 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 21, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.