Phosphine inhibition
CA 1308915 C · Owner: Qinetiq Limited · Inventors: Mccallum, John Jamieson; Alder, John Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Disclosed is a composition comprising phosphorus and a minor amount of at least one radical inhibitor selected and mono and fused bi- and tri-cyclic quinolic compounds and sulphur analogues thereof bearing at least a first and a second substituent, the first and second substituents being selected from oxo and thioxo, the second substituent being located on the same ring and ortho or para to the first substituent other than, anthraquinone or a substituted anthraquinone. The composition has reduced levels of phosphine emission. Munitions containing the composition as the charge are less susceptible to corrosion.
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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 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.