High luster, flexible multilayered film with a polyamide outer layer containing nanodispersed filling material and utilization of said film for packaging foodstuffs
CA 2347111 A1 · Owner: Kaschel, Gregor · Inventors: Eggers, Holger; Kaschel, Gregor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a flexible multilayered film having an outer , layer substantially made of polyamide containing between 0.1 and 3.0 % nanodispersed filling material and at least one additional polyamide layer. The multilayered film according to the invention can be produced in flat film and especially blown film facilities and is characterized by excellent luster and good transparency and by high tenacity and flexibility.
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 October 4, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 4, 2021.
- 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.