Foam coated cloth, method for coating and foam article covered by cloth
CA 2095020 A1 · Owner: Creme Art Corporation · Inventors: Thary, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coated cloth (10) includes a breathable porous cloth (12) having a breathable latex foam coating (14) that nevertheless prevents the passage of viscous foamable liquid polyurethane mixtures such that soft open cell polyurethane foam (92) can be formed in direct engagement with the coating without permeating the porous cloth (12). The latex foam coating (14) has a thickness of about .025 to 3.0 millimeters and an open cell structure with about 400 to 600 openings per square millimeter. The coated cloth (10) is made by depositing on the cloth (12) an acrylic latex foam coating (14) which is subsequently dried, optionally crushed to increase the foam density, and finally cured. A soft foamed …
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 December 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 2013.
- 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.