Coal-water fuel slurries and process for making
CA 1193861 A · Owner: Atlantic Research Corporation · Inventors: Scheffee, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Coal-water fuel slurries having long-term storage stability and improved viscosities and comprising finely-divided coal within efficient combus-tion size range water, and minor amounts of alkali metal salts of organic dispersants and alkaline earth metal salts of organic dispersants and process, for making such slurries.
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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.