Platinum-alkenylsiloxane complex catalyst composition
CA 1294948 C · Owner: Saruyama, Toshio · Inventors: Saruyama, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, The storage stability of catalyst compositions comprising an platinum-alkenylsiloxane complex an organo-, polysiloxane, and a microparticulate hydrophilic silica is substantially increased when the PKa of a dispersion containing specified amounts of said complex and said silica in a non-polar solvent is between 2.0 and 9.0 inclusive.
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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 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.