Method for preparing a suspension containing phosphate
CA 2565193 C · Owner: Saarikko, Eija · Inventors: Saarikko, Eija; Poukari, Juhani; Ylinen, Paula
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for preparing a suspension containing phosphate stepwise directly from raw materials from phosphoric acid of , fertilizer quality a base and organic additives. In accordance with the method, the phosphoric acid is preneutralised with the base the organic , additives are added, nucleation is controlled and phosphate salts are cooling crystallised in order to form a suspension. The phosphate suspension prepared with the method of the invention is applicable to seed coating.
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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 19, 2005 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 19, 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.