Pet wear layer/sol gel top coat layer composites
CA 2416374 A1 · Owner: Kauffman, William J. · Inventors: Sigel, Gary A.; Kauffman, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Composite wear layers that include a polyethylene terephthalate wear layer adhered to, an organic/inorganic (O/I) top coat layer and surface coverings and surface , covering components including the wear layers, are disclosed. The organic/inorganic top coat layer is, formed from a top coat formulation which comprises a coupling agent. The coupling agent is, a molecule which includes an organic polymerizable moiety such as epoxy acrylate and the, like, as well as an inorganic polymerizable moiety such as a silanol. Top coat layers formed, from the top coat formulation have both organic and inorganic character. Although not, limited to these thickness ranges the wear layer is typically …
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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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2025.
- 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.