Stabilizing clay soil with hydroxy-aluminum and cellulosic polymers
CA 1207997 A · Owner: Chevron Research And Technology Company · Inventors: Loken, Tor; Bryhn, Odd R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method of stabilizing clay soil having a high water content by mixing an effective amount of hydroxy-aluminum and cellulosic polymer with the clay soil to deactivate water and thereby assist in preventing such water from fluidizing the clay soil.
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
- Granted July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.