Curable organopolysiloxane compositions
CA 1306574 C · Owner: Dow Corning S.A. · Inventors: Colas, Andre Rudolf Louis; Leempoel, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Organopolysiloxane compositions which are curable to elastomers via an addition reaction of unsaturated bonds to silicon-bonded hydrogen atoms in the presence of a group VIII metal catalyst have improved adhesion, without inhibiting their curing, by incorporating an organosilicon compound of the general formula, (RO)cR3-cSiO(R2SiO)x(R'RSiO)y(R"RSiO)zSiR3-c(OR)c wherein R is a hydrocarbon, R' has olefinic unsaturation and at least 6 carbon atoms, R" contains an epoxy group and x y and z, are at least 1, z being 2 if c is O.
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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.