Method for preparing explosive composition
CA 1307671 C · Owner: Sujansky, Vladimir · Inventors: Bates, Andrew; Sujansky, Vladimir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A particulate ammonium nitrate-based explosive for bulk use is provided for use even in wet conditions which comprises a mixture of a water-in-fuel emulsion and ammonium nitrate particles. The fuel component of the emulsion is asphalt.
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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.