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Expired Canadian patentCanada

Prilled explosive composition

CA 1058882 A · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty'S Canadian Government · Inventors: Belanger, Jean-Yves; Sterling, Thomas S.; Kalman, Kenneth S.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A free-flowing explosive composition exhibiting brisance and high blasting power is described, comprising 35-80% by weight TNT 10-30% by weight aluminum and 0-45% by weight RDX in spheroidal prill, form.

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 July 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 24, 1979
Term endedJuly 24, 1996
Patent numberCA 1058882 A
Classification (IPC)C06B25/08 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 24, 1979Term endedJuly 24, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.