Polymer concrete having low binder levels
CA 1113700 A · Owner: Plastibeton Canada Inc. · Inventors: Charlebois, Raymond; Trent, Peter F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved polymer bonded concrete is disclosed wherein the amount of polymer binder used may be reduced to amounts as low as 3 to 10% by weight of the concrete. The concrete has however high strength and other improved properties such as high modulus of elasticity better, fire resistance, low shrinkage on curing and the like and also very importantly, the cost is reduced. Preparation of the concrete is disclosed using an in situ polymerization process together with intense vibration of the monomer component-solids mix.
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 December 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 1998.
- 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.