Compositions based on mixtures of ethylene-ethyl acrylate copolymersand ethylene-vinyl acetate-vinyl chloride terpolymers
CA 1290879 C · Owner: Kotani, Kunio · Inventors: Hayashi, Akio; Taniguchi, Seiho; Kotani, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions based on mixtures of ethylene-ethyl acrylate copolymers and ethylene-vinyl acetate-vinyl chloride terpolymers which have adhesion to and strippability from crosslinked olefin polymers. Compositions of this invention which are rendered semi-conductive by, the addition of carbon black thereto are especially useful as outer, layers bond d to layers of crosslinked olefin polymer insulation of electrical conductors.
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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 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
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.