Heat curable organopolysiloxane compositions
CA 1265290 C · Owner: Wacker Silicones Corporation · Inventors: Essinger, James F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket No. A-8508, Paper No. 1, HEAT CURABLE ORGANOPOLYSILOXANE COMPOSITIONS, Abstract of the Disclosure Heat curable organopolysiloxane compositions comprising an organopolysiloxane having Si-bonded aliphatically unsaturated groups, an organohydrogenpolysiloxane having Sibonded hydrogen atoms, a platinum catalyst capable of promoting the addition of Si-bonded hydrogen to Si-bonded aliphatically unsaturated groups and a hydrazone compound. The resultant composition is stable at room temperature but, when heated to an elevated temperature cures to an elastomer.
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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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.