Process and reactor for the partial combustion of finely divided solid fuel
CA 1093899 A · Owner: Shell Internationale Research Maatschappij B.V. · Inventors: Hasenack, Hendrikus J.A.; Poll, Ian; Wu, Hsi L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The hot gas from a coal gasifier is cooled in the gasifier outlet by applying a gas shield along the wall of the outlet, which gas shield cools the wall and the hot gas and which gas shield prevents sticky ash particles from hitting the wall. Upon cooling of the hot gas the ash particles loose their stickiness.
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 January 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
- 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.