Self-extinguishing polyolefinic compositions
CA 1081388 A · Owner: Montedison S.P.A. · Inventors: Bertelli, Guido; Roma, Pierpaolo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to new polyolefinic compositions suited for producing self-extinguishing articles and more particularly, compositions consisting of polymers or copolymers of ethylene and/or of alpha-olefins or of polymers of styrene containing special flame-extinguishing agents. The polyolefinic compositions of this invention comprise (1) a polyolefin selected from the group consisting of polymers and copolymers of ethylene and/or alpha-olefins and styrene polymers; (2) a mixture of (a) a bismuth compound selected from the group consisting of basic bismuth carbonate and triphenyl-bismuthine and (b) a partially halogenated organic compound thermally, unstable, which on heating …
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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 July 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 1997.
- 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.