Dust control composition
CA 2315955 A1 · Owner: Martez, Vita · Inventors: Wilson, Walter; Baker, Roy; Martez, Vita
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stable concentrated dust control composition comprises a mixture of crude tall oil and vegetable oil emulsified in water. The dust control composition is completely organic, non-corrosive non-flammable, non-toxic, ecologically safe readily dilutable with water, safe to use easy to apply to , a, desired surface and environmentally responsible. The water soluble formula may be designed to penetrate into the surfaces to bind with surface materials to create a dust free durable surface safe to motorists. The composition suspresses dust, so it is unable to be picked up and be carried away by wind and water, therefore preventing soil erosion and damage to field crops. The composition also …
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 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 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.