Patent Yard Sign in
Expired Canadian patentCanada

Thermoplastic elastomer laminate

CA 1331556 C · Owner: Mitsui Petrochemical Industries, Ltd. · Inventors: Hamada, Shunichi; Okamoto, Katsuo; Uchiyama, Akira

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

of the Discloure, A thermoplastic elastomer laminate comprising; a base fabric, a polyolefin intermediate layer formed on said fabric comprising a polyolefin, at least a part of which is modified by grafting with at least one monomer selected from unsaturated carboxylic acids and derivatives thereof, and a thermoplastic elastomer surface layer formed on said intermediate layer comprising a thermoplastic elastomer, The surface layer is comprised of a composition comprising: a polyolefin resin and an ethylene/alphe-olefin copolymer rubber in which only said, copolymer rubber is or both said copolymer rubber and at, least a part of said polyolefin resin are partially crosslinked. The product …

Read the whole patent

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 August 23, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 23, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 1988
GrantedAugust 23, 1994
Term endedAugust 23, 2011
Patent numberCA 1331556 C
Classification (IPC)D06N3/18 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedApril 6, 1988Patent grantedAug 23, 1994Term endedAug 23, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.