Water-based concentrated agricultural pesticide dispersions
CA 2568703 C · Owner: Bayer Cropscience Ag · Inventors: Maier, Thomas; 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 which comprise, (a) one or more water-soluble active crop protectant ingredients (type (a) active ingredients), (b) one or more water-dispersed active crop protectant ingredients (type (b) active ingredients), (c) one or more surfactants from the class of the polyacrylic acid derivatives, (d) one or more aluminum silicates as stabilizer(s) (e) if desired, further anionic or nonionic cationic and/or zwitterionic , surfactants (f) if desired, other customary formulation assistants and , (g) water, are suitable as stable coformulations for use in crop protection.
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 May 21, 2005 and granted January 29, 2013. 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.