Process for preparing briquettes
CA 1069696 A · Owner: Sumikin Coke Company Ltd. · Inventors: Kiritani, Yoshio; Tsuyuguchi, Michio; Ibaragi, Tetsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention:, A process for preparing briquettes Abstract of the Invention:, A process for preparing a briquette is disclosed herein. The process comprises blending a caking substance having a softening point of 20-40°C or a caking substance having a softening point of above 40°C and a solvent which has the fluidity at normal temperature and is compatible with the latter caking substance to a coal for making briquettes powerful mixing performed at a temperature of above 10°C, preferably of 20-50°C for 1-10 minutes, by, using a mixer provided with a mixing tool which is rotated at a high speed of more than 5m/sec. peripheral velocity and/or a mixer provided with a mixing tool …
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.