Thermoplastic elastomer compositions
CA 1279137 C · Owner: Nippon Oil Co. Ltd. · Inventors: Kobayashi, Seizo; Usui, Katumi; Yamaoka, Noboru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic elastomer composition prepared by partially crosslinking a composition comprising the following components (A), (B) and (C): (A) 30-70 parts by weight of an ethylene/.alpha.-olefin copolymer prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid component and an organoaluminum compound which solid component contains at least magnesium and titanium said, ethylene/.alpha.-olefin copolymer having the following properties (I) to (IV):, (I) Melt index 0.01-100 g/10 min (II) Density 0.860-0.910 g/cm3, (III) Maximum peak temperature as measured, according to a not lower than 100°C differential scanning, …
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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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.