Laminate with skin based on aes graft copolymer
CA 1204997 A · Owner: Uniroyal, Inc. · Inventors: Paddock, Charles F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a laminate which has at least two layers, one of which comprises an AES graft copolymer composition of resin-forming monomeric material on an ethlyene-propylene-non-conjugated diene terpolymer rubber spine, the other layer being a rigid layer of foamed plastic compatible with AES. An important form of the instant invention involves a five-layered rigid, heat-formable laminated sheet material having a core sheet of rigid cellular acrylonitrile-butadiene-styrene material, a rigid sheet of solid acrylonitrile-butadienestyrene material integrally united to each face of said core sheet, and an outer protective skin of flexible adherent material overlying each outer face of the …
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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 May 27, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 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
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.