Curable organopolysiloxane compositions with improved adhesion
CA 1290875 C · Owner: Waldern, Alan Michael · Inventors: Waldern, Alan Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Organopolysiloxane compositions comprising a polyorganosiloxane having olefinic unsaturation, an organohydrogen polysiloxane and a catalyst, exhibit improved adhesion to a number of substrates when it also comprises an organosilane of the general formula R'(RO)2SiR", wherein R denotes a monovalent hydrocarbon group, R' denotes an aliphatically unsaturated hydrocarbon or hydrocarbonoxy group and R" denotes an epoxy functional group The organopolysiloxane compositions also exhibit reduced thixotropy over prior art compositions especially when a reinforcing silica filler is also present.
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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.