Refractory compositions
CA 1269405 C · Owner: Strawbridge, Ian · Inventors: Strawbridge, Ian; Flood, James; Barnes, Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A self-setting foamed refractory compo-, sition comprises a particulate refractory material a surfactant, water, a water soluble metal phosphate and alumina cement. The composition is suitable for forming a lining for a molten metal handling vessel such as a tundish or a ladle. The composition may be used to produce preformed shapes which are used to line the vessel or the composition may be used to produce a lining within the vessel.
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 May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.