Process for milling and preparing powders and compositions produced thereby
CA 2614409 C · Owner: Talton, James D. · Inventors: Talton, James D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of milling a powder comprising introducing a gas stream containing a cryogenic liquid and a drug carrier gas into a jet mill and milling a powder , with the jet mill in one or more milling passes. A product produced by the method. A milling apparatus comprising a cryogenic gas input system a powder , feeder, a main jet-mill, and at least one output port for collecting the powder.
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 30, 2006 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 30, 2026.
- 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.