Process for production of mineral dispersions
CA 1322630 C · Owner: Nelson, Lawrence L. · Inventors: Nelson, Lawrence L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
0644p(FF) L. L. Nelson Case 2, Process For Production Of Mineral Dispersions Abstract of Disclosure, Disclosed is an improved process for producing dispersions of vermiculite ore particles by intercalating organocation salts into the vermiculite structure under shearing conditions to delaminate the ore and reduce particle size in one step.
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
- Granted October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
- 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.