Composition and process for agglomerating coal particles
CA 1305608 C · Owner: Mcelroy, Roderick O. · Inventors: Mcelroy, Roderick O.; Suryanarayanan, Kohur N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved coal composition and process for agglomerating coal particles is disclosed. Between three and twelve percent by weight of a hydrophobic binder and between one and five percent by weight of a fiber is mixed with fine coal particles. The coal particles, binder, and fiber are then formed into an agglomerate which resists breakage and moisture sorption. In another embodiment of the invention coal, particles exceeding 590 microns in diameter can be mixed with the coal, binder, and fiber before the agglomerate is formed.
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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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 2009.
- 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.