Expired Canadian patentCanada
Process for the preparation of olefinic silanes and siloxanes
CA 1290762 C · Owner: Quirk, Jennifer M. · Inventors: Quirk, Jennifer M.; Kanner, Bernard
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel synthesis for silanes and siloxanes containing olefinic bonds wherein an aminosilane siloxane alkoxysilane or alkylalkoxysilane and an olefin undergo a dehydrocondensation in the presence of a rhodium or ruthenium catalyst.
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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.
FiledDecember 19, 1986
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290762 C
Classification (IPC)C07F7/08 +2 more
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.