Direct adhesion polysiloxane moulding and sealant compositions
CA 1160788 A · Owner: Ge Bayer Silicones Gmbh & Co. Kg · Inventors: Achtenberg, Theo; Sattlegger, Hans; Schnurrbusch, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a polysiloxane molding composition which in the presence of water crosslinks to an elastomer and which comprises, A) an .alpha..omega.-dihydroxyorganopolysiloxane with a viscosity of about 500 to 2,000,000 cP B) a crosslinking agent, and, C) a reinforcing filler the improvement which comprises including therein in, about 0.1 to 10% by weight a silicon compound containing at least 3 alkoxy groups and preferably of the formula Rn Si(Alkoxy)4-n, in which, R is alkyl with 1 to 10 carbon atoms Alkoxy has 1 to 4 carbon atoms, and, n is 0 or 1 whereby the elastomer ultimately produced exhibits improved direct adhesion to various substrates. * * * *
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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
- 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.