Film composite and packaged articles therewith
CA 1113637 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Rosen, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a film composite comprised of an admixture of (1) an unvulcanized elastomeric block copolymer, (2) a thermoplastic resin and (3) a selected hydrocarbon paraffin wax. Invention further relates to a package of an article wrapped in said film composite where said article is selected from unvulcanized rubber com-, pounding ingredients for unvulcanized rubber and compounding, ingredients for thermoplastic polymers. Invention additionally relates to compounded high unsaturation rubber or thermoplastic polymer prepared by utilizing a package of said film composite containing compounding material.
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 December 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 1998.
- 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.