Fire retardant composition for urethane polymers
CA 1048206 A · Owner: Monsanto Company · Inventors: Morgan, Albert W.; Brown, Jasper H.; Cooper, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A composition comprising a metal salt of a carboxylic acid in conjunction with a beta-haloethyl phosphate has been found useful as a flame retardant for urethane polymers and composites thereof with other polymer materials. The zinc antimony, stannic and cupric salts of such acids are used in combination with, e.g. tris(beta-chloroethyl) phosphate.
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
- Granted February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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.
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.