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Expired Canadian patentCanada

Explosive systems

CA 1263237 C · Owner: Pq Corporation · Inventors: Cunnion, James P. Jr.; Sands, Bruce W.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

Abstract From the Canadian patent

Water-based explosives that use siliceous boroncontaining microspheres as sensitizing agents are stabilized by adding multivalent metal ions to the explosives. Zinc salts axe especially useful.

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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 20, 1986
GrantedNovember 28, 1989
Term endedNovember 28, 2006
Patent numberCA 1263237 C
Classification (IPC)C06B33/04 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedNov 20, 1986Patent grantedNov 28, 1989Term endedNov 28, 2006

Sources & verification

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