Method for the manufacture of composite explosives
CA 1267287 C · Owner: Nobel Kemi Ab · Inventors: Nyqvist, Jan-Olof; Back, Sigurd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A process for producing composite explosives of the hexotonal or octonal type by a two-stage granulation process is disclosed. In the first stage a suspension in water of primary granules containing an amount of trinitrotoluene together with other components is prepared. The primary granules do not contain the aluminium powder which is introduced in the second granulation step in admixture with molten trinitrotoluene to form secondary granules. By this procedure the hydrogen gas generation is considerably reduced and the product with improved stability and casting properties may be obtained.
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 3, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2007.
- 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.