Antistatic additives including tetrahalogenated ionic compounds for organic polymer packaging compositions
CA 2439281 A1 · Owner: Spicher, Dennis R. · Inventors: Spicher, Dennis R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antistatic additive includes a tetrahalogenated ionic compound. An antistatic additive composition for organic polymer compositions includes an antistatically-effective amount of the tetrahalogenated ionic compound a , solvent for the tetrahalogenated ionic compound and a diluent compatible with , the tetrahalogenated ionic compound the solvent and the organic polymer , composition. The tetrahalogenated ionic compound preferably is a tetrahalogenated borate, and more specifically lithium or sodium tetrafluoroborate. Organic polymer compositions containing the additive also are provided, as are methods incorporating the additive into the polymer compositions.
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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 February 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2024.
- 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.