Spray coating of particulate material using a conical dispersion apparatus
CA 2296217 A1 · Owner: Advanced Automations Inc. · Inventors: Lloyd, Thomas; Sharby, Thomas F.; Desautels, Michelle L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Page 1, A method and apparatus is disclosed for the spray coating of particulate material. The material is streamed over the apex of a conical dispersion element, with one or more coating nozzles for the spray application of the wet or dry coating mounted at any point below the bottom edge of the conical dispersion element. Conical elements of various shapes or sizes could be used, and the surface of the conical element could be altered in order to modify the flowing behaviour of the particulate material over the conical element and off its bottom edge. By adding methods of measurement of the particulate material and the coating material being applied the precision and utility of the method …
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 January 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 17, 2022.
- 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.