Pyrotechnic charge composition and the use thereof in delay elements
CA 1160846 A · Owner: Dynamit Nobel Aktiengesellschaft · Inventors: Voges, Christoph; Schulte, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The present invention relates to a pyrotechnic charge composition, which can be used to provided time fuses with delay intervals of the order of 150 ms and no overlaps between time steps, and which comprises antimony and potassium permanganate in a weight ratio of 33-45:55-65 and from 0.1 to 2.0% by weight of powdered light metal and/or silicon.
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 January 24, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2001.
- 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.