Silicone foam masses
CA 1333207 C · Owner: Jones, Gareth Matthew · Inventors: Jones, Gareth Matthew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes and claims a method of producing a foamed mass having a density of less than 150kg/m3 adherent to surfaces of a cavity which comprises inserting into the cavity a foamable composition formed by mixing impinging jets of two or more parts of a foamable silicone composition capable of curing at 20°C within 2 minutes to provide a foamed mass having a density of less than 150kg/m3. The composition comprises (a) one or more polysiloxanes having not less than three alkylhydrogensiloxane units per molecule (b) one or more, polysiloxanes having not less than two silicon-bonded hydroxyl groups per molecule, (c) one or more compounds having carbonbonded hydroxyl groups …
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 November 22, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 22, 2011.
- 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.