Compositions comprising a polyolefin and a block copolymer of a dihydric phenol monomer, a carbonate precursor and a polyphenylene oxide resine
CA 1211583 A · Owner: General Electric Company · Inventors: Liu, Ping Y.; Freimiller, Gary L.; Tyrell, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel thermoplastic composition is disclosed which is based on polyolefin and a block copolymer of a dihydric phenolic monomer, a carbonate precursor and a polyphenylene oxide resin. These compositions may be used as molding resins and have better compatibility than admixtures of aromatic polycarbonate and a polyolefin.
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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 September 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
- 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
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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.