A process for manufacturing individual layered structures comprising particulate material and the product therefrom
CA 2275607 A1 · Owner: Febo, Pietro · Inventors: Carlucci, Giovanni; Gagliardi, Ivano; Febo, Pietro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for manufacturing individual layered structures (12) comprising at least two containing layers (1, 2). There is provided a continuous web layered structure (14) having cutting lines across the width. The continuous web layered structure (14) contains particulate materials (6 7, 9) between the , containing layers (1 2). The continuous web layered structure (14) is cut along the cutting lines to provide individual layered structures (12) each , having end faces (15) between the cuts. Adjacent individual layered structures (12) are then spaced apart from each other after cutting. An adhesive composition (16) is applied to at least part of the end surfaces (15) to join 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
- Filed December 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 2019.
- 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
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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.