Thermoplastic acrylic sheet compositions and their use as substitutes for high pressure decorative laminate
CA 2243396 A1 · Owner: Ingrim, Mike · Inventors: Krejchi, Mark; Lee, Yein M.; Rabroker, Beth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic acrylic sheet and laminate formed therefrom are provided that allow the production of thin solid surfacing materials that provide the properties of conventional thicker solid surfacing with the advantages of processing and handling capabilities normally associated with high-pressure decorative laminate wherein the thermoplastic acrylic sheet is formed from a thermoplastic acrylic polymer having dispersed therein a filler in an amount sufficient to provide the sheet with a Barcol hardness of at least 40; and an impact modifier; wherein the thermoplastic acrylic polymer has a melt flow index of at least 1.5; and wherein the filler has an aspect ratio of up to 25:1 and its use …
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 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2020.
- 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.