Anti-fungal coating composition
CA 2059536 A1 · Owner: Sedun, Frederick S. · Inventors: Sedun, Frederick S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
18-, Abstract of the Disclosure, An effective environmentally compatible, anti-fungal composition for protecting lumber from infestation by wood-staining and wood-rotting fungi comprises, as an active ingredient, an alkyl sulfosuccinate compound. A preferred alkyl sulfosuccinate is dioctyl sodium sulfosuccinate. The anti-fungal composition may further comprise water and an adjuvant such as sodium benzoate or a lower alcohol or diol (e.g. ethanol, isopropanol ethylene, glycol or propylene glycol). The composition may also comprise an oil component such as a paraffinic mineral oil, a triglyceride or a terpenoid based oil. The concentration of active ingredient present in the composition …
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 August 6, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 6, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2012.
- 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.