Thermoplastic compositions based on polyphenylene ethers, styrene polymers, and polyoctenylenes; and methods of manufacturing same
CA 1260178 A · Owner: Huls Aktiengesellschaft · Inventors: Schafer, Wolfgang; Ribbing, Wilfried; Jadamus, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to thermoplastic compositions comprised of the following components: A) Polyphenylene ether, in the amount of 20-90 parts oy weight;, B) Styrene resins, in the amount of 5-70 parts by weight;, C) Polyoctenylenes, in the amount of 2-20 parts by weight;, D) Copolymers based on styrene and butadiene in the amount of 0-20 parts by weight; and E) Optionally, other additives;, and the invention further relates to methods of manufacturing said thermoplastic compositions. The thermoplastic compositions have high impact resistance good hot shape stability and good processibility and can be used in molding articles by injection or extrusion molding.
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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 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
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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.