Microwaveable film or sheet suitable for vacuum skin packaging applications and peelable microwaveable vaccum skin package obtained therewith
CA 2598609 C · Owner: Cryovac, Inc. · Inventors: Della Bianca, Serena; Riccio, Marina
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Amulti-layer film or sheet suitable for use in VSP applications has an outer layer comprising a blend of from about 8 to 30 wt. % of modified polypropylene, from 0 to about 20 wt. % of polybutene and the complement to 100 wt. % of ionomer. The patent application also relates to a peelable VSP package where one of the webs has an outer sealing layer comprising a blend of from about 8 to 30 wt. % of modified polypropylene from 0 to about 20 wt. % , of polybutene and the complement to 100 wt. % of ionomer and the other web comprises an outer sealing layer having an ethylene homo- or copolymer-based surface, wherein said outer sealing layers are sealed to each other in one or more …
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
- Filed February 17, 2006 and granted October 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.