Method for stabilizing copper hydroxide
CA 2577813 C · Owner: Oberholzer, Matthew Richard · Inventors: Oberholzer, Matthew Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method of stabilizing copper(II) hydroxide the method , comprising the sequential steps of: (a) combining copper(II) hydroxide a , water-soluble phosphate and water to form a mixture; and (b) drying the mixture. Also disclosed is stabilized copper(II) hydroxide prepared according to said method and a composition comprising stabilized copper(II) hydroxide prepared according to said method and at least one of a surfactant a solid , diluent or a liquid diluent.
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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 August 30, 2005 and granted January 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 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.