Stabilizing road base composition and method for preparing same
CA 1333446 C · Owner: Georgia-Pacific Canada, Ulc · Inventors: Klco, Kenneth S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition for preparing a stabilizing road base and method for preparing same. The composition and method for preparing same comprise 30-50% by volume of gypsum fines having a diameter of less than one inch 30-70% by volume of, at least one aggregate having a diameter of less than one inch and 0-40% by volume of soil mixed into a substantially homogeneous mixture, the mixture having less than 15% by volume of particles with a diameter of less than 0.02 inch. The mixture is saturated with at least one lignosulfonate so that the lignosulfonate substantially coats the gypsum fines, the aggregate and the soil. The invention also discloses a road having a stabilizing road base and method for …
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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
- Granted December 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 13, 2011.
- 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
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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.