Patterned release film between two laminated surfaces
CA 2380093 A1 · Owner: Cuomo, Jerome J. · Inventors: Ufer, Stefan; Cuomo, Jerome J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a laminate structure comprises providing a first substrate and a second substrate each having first and second substrate surfaces respectively, and wherein the surfaces are present in an opposed spaced apart relationship; contacting at least one of the first or second substrate surfaces with a release material such that a portion of the first or second substrate surface is covered with the release material while the remainder of the first or second substrate surface is not covered with the release material; bringing the first and second substrate surfaces of the first and second substrates into contact with each other; and subjecting the substrates to conditions …
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 July 26, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2022.
- 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.