Thermoplastic elastomeric compositions based on compatible blends of an ethylene copolymer and vinyl or vinylidene halide polymer
CA 1232995 A · Owner: Advanced Polymer Compounding Limited Partnership · Inventors: Loomis, Gary L.; Statz, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic elastomeric composition based on compatible blends of a ethylene copolymer and a vinyl or vinylidene halide polymer. The compositions comprise a partially cross-linked blend of, (a) a copolymer of ethylene and one or more copolymerizable comonomers selected, from the group consisting of ethylenically unsaturated organic, monomers carbon monoxide and sulfur, dioxide; and (b) between 5 and 75 weight percent, based on the composition, of a vinyl or, vinylidene halide polymer wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer. The compositions are melt processible using conventional plastic …
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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 February 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2005.
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Timeline
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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.