Compositions comprising inorganic metal compounds and water-soluble organic silicone compounds
CA 1072699 A · Owner: Imperial Chemical Industries Limited · Inventors: Morton, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid composition comprising a solution of a water-soluble metal compound convertible to metal oxide and a smaller amount of hydrolytically stable water-soluble organic silicone which may be used to prepare binders, coatings and shaped bodies especially, fibres. Preferred silicones are polysiloxane polyoxy-, alkylene copolymers and preferred metal compounds are salts of aluminium and zirconium. Phase-stablised alumina especially in the form of fibres, is a particularly important embodiment; transitional alumina can be stabilised up to 1400°C without the appearance of separate phases of mullite and crystalline silica.
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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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 1997.
- 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.