Fire-resistant composition
CA 1295068 C · Owner: Milner, Bruce Alan · Inventors: Milner, Bruce Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plastic composition which at least when hardened is resistant to fire comprises: a binder comprising a flexible film-forming adhesive polymer, such as polyvinylbutyral in a volatile solvent, preferably a non-flammable volatile solvent such as trichloroethane, the binder having dispersed therein a fire retardant such as aluminium trihydrate an exfoliatable mineral, such as vermiculite and preferably also a thixotropic agent such as precipitated silica.
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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.