Thermoformable vinylidene chloride resin composition and resin laminate comprising this resin composition
CA 1312986 C · Owner: Toyo Seikan Kaisha, Ltd. · Inventors: Yamada, Muneki; Kano, Fumio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vinylidene chloride resin comprising 90 to 99% by weight of vinylidene chloride and 1 to 10% by weight of an acrylic or methacrylic monomer is mixed with 0.5 to 5% by weight based on, the resin, of a combination of a low-molecular-weight plasticizer and a high-molecular-weight plasticizer and 0.2 to 5% by weight based on the resin, of a condensed phosphoric acid salt. Even if this resin composition is exposed to high temperatures thermal, decomposition of the vinylidene chloride resin is prominently controlled. When this vinylidene chloride resin composition is laminated with a thermoplastic resin having a thermoforming temperature higher than the thermoforming temperature 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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
- 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.