Process for cooling particulate solids
CA 1235898 A · Owner: Atlantic Richfield Company · Inventors: Li, Ying H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved method for cooling particulate solids in a fluidized bed wherein the improvement comprises fluidizing the particulate solids above a first portion of a gas flow distributor using a cooling gas and fluidizing the particulate solids above a second portion of the gas flow distributor with a cooled cooling gas stream wherein the second portion of the gas flow distributor is located near the particulate solids discharge from the fluidized bed.
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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
- 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.