Room temperature vulcanizable polydiorganosiloxane compositions
CA 1317405 C · Owner: Union Carbide Corporation · Inventors: Pepe, Enrico James; Pohl, Eric Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel poly-(alkoxysilylalkyl)amines are provided useful in room temperature vulcanizable polydiorganosiloxane compositions comprising an x,w-dihydroxypolydiorganosiloxane and the poly-(alkoxysilylalkyl)amine. The novel poly- (alkoxysilylalkyl)amines have the formula: wherein R is Cl-C4 alkyl;, R is hydrogen. Cl-C6 alkyl or C6-C12 aryl;, R2is C2-C8 alkylene C6-C12 arylene, or C7-C14 alkarylene;, R3 is hydrogen Cl-C6 alkyl, R, b, C6-C12 aryl or -R2-Si- (OR)3-b wherein R and R2 are as defined above;, a and b are 0 1 or 2;, c is 0 or 1; and, d is 1, 2 or 3 The compositions are neutral cure, exhibit excellent shelf life stability, possess a practically controllable cure rate and upon curing …
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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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
- 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.