Method of forming a three-dimensional microstructure on a surface, uses thereof, and microstructured products so obtained
CA 2548651 C · Owner: Stocq, Robert Ghislain · Inventors: Stocq, Robert Ghislain
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 three-dimensional microstructure on a flat surface of a support, comprising the application of a first flat and uniform layer (2) of silicone on said surface of support (1) and the application on the first layer of silicone of a second three dimensionally microstructured layer (3) of silicone, said first layer and second layer of silicone become integrally connected to thus form a common three-dimensional microstructure ensuring antiadhesive properties distributed regularly on the surface of the support so , that any flexible surface of substrate in particular a surface of adhesive , deposited on said layers of silicone will be microstructured by inverse …
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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 January 3, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 3, 2025.
- 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.