Light-reflecting molded articles and methods of making the same
CA 2360151 A1 · Owner: Shacklette, Lawrence Wayne · Inventors: Wilson, John Colvin; Shacklette, Lawrence Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A light-reflecting article having an average total reflectivity of at least about 93 %, e.g. at least about 95 %, for light in a 400 to 700 nanometer wavelength range comprises a thermoplastic or thermoset polymer matrix such , as an acrylonitrile-butadiene-styrene-based matrix in which is despersed , reflective filler particles such as rutile titania and a flame-retardant material. The flame-retardant material may contain a particulate metal oxide synergist, e.g. antimony trioxide or antimony pentoxide and a quencher such , as a brominated organic compound e.g. bis(tribromophenoxy)-ethane. The polymer matrix and filler may be selected so that their respective refractive indices and …
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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 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 27, 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.