Antimicrobial composition useful for preserving wood comprising a copper alkyldimethylammmonium salt and 2-n-octyl-4-isolthiazolin-3-one
CA 2659908 C · Owner: Chia, Li-Liang · Inventors: Chia, Li-Liang; El A'Mma, Beverly Jean; Ashmore, John William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synergistic antimicrobial composition useful for treating wood. The composition , contains a copper alkylbenzyldimethylammonium salt and 2-n-octyl-4-, isothiazolin-3-one , in a weight ratio of copper alkylbenzyldimethylammonium salt to 2-n-octyl-4isothiazolin-3-one is from 1:0.02 to 1:88.
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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 June 1, 2006 and granted July 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 1, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.