Flame retardant compositions
CA 2018894 C · Owner: Union Carbide Corporation · Inventors: Keogh, Michael John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Invention A composition useful in the manufacture of cable comprising:, (i) a crosslinkable thermoplastic resin;, (ii) a metal hydrate flame retardant compound;, (iii) an organic peroxide crosslinking compound, which decomposes at a temperature of at least about 140°C, but below the decomposition temperature of the polymer; and, (iv) an unsaturated silicone fluid.
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, and the Claude kit works from them.
Why it's free to use
- Filed June 13, 1990 and granted October 18, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 13, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2012.
- 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.