Method and apparatus for improving the quality of an emulsion explosive composition
CA 1298975 C · Owner: Cooper, John · Inventors: Kirby, Ian John; Cooper, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Z/H33627, Abstract, A method and apparatus for improving the quality of an emulsion explosive composition by selecting an electrical characteristic of the composition, establishing a predetermined range of values therefor, measuring the selected characteristic of the composition and, in response to a measured characteristic outwith the predetermined range, diverting, or treating the composition to restore the selected characteristic to within the predetermined range. Suitable characteristics include conductivity and capacitance, and the technique may be employed in a static location or on a mobile carrier
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.
Why it's free to use
- Granted April 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.