Process for manufacturing a multi-layer film-type laminate for packaging materials
CA 2444388 A1 · Owner: Rosenberger, Karolina · Inventors: Rosenberger, Karolina; Frey, Juerg; Naegeli, Hans-Rudolf
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 process for manufacturing a flexible film-type laminate, (7) from two or more films (9a,9b) for packaging materials whereby at least , two, films (9a,9b) are laminated to each other to give a film-type laminate and the film or film-type laminate is printed on and at least one free surface of the , film-type laminate is provided with a sealing lacquer coating (14). The invention is, characterised in that the lamination (12) the printing (12) and the coating , (14) of the film or film-type laminate with a sealant lacquer take place in-line at individual coating stations (1, 2, 4) in a production device (10) using an electrostatic coating process in which coating …
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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
- Filed October 3, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 3, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2025.
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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.