Flame retardant polycarbonate composition
CA 1063282 A · Owner: General Electric Company · Inventors: Mark, Victor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and as flame retardant additive an alkali or alkaline earth metal salt of an oxocarbon acid, preferably halogen substituted. Chloranilic acid is a preferred member. Thermoplastic articles in conformity with UL-94 grade SE-0 can be prepared.
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 September 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 25, 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.