Primer compositions containing phenylsiloxane resin and vinylsiloxane polymer
CA 1190990 A · Owner: Toray Silicone Company, Ltd. · Inventors: Nakasuji, Katsuyoshi; Kageyama, Katsuaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Primer compositions made from a phenyl-containing organopolysiloxane resin, a vinyl-containing polyorganosiloxane having a viscosity of at least 0.005 m2/s an unsaturated trialkoxysilane such as gamma-methacryloxyalkyltrimethoxysilane, organic titanate organic solvent, and, optionally tetraalkoxysilane can be used to pond silicone rubber to a substrate making composites which do not delaminate when immersed in silicone oil at high temperature such as at 230°C.
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 July 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2002.
- 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.