Electrochemical synthesis of organosilicon compounds
CA 2022184 A1 · Owner: Renauld, Franck A. D. · Inventors: Tonge, James S.; Renauld, Franck A. D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making silanes carbosilanes or polycarbo-, silanes having at least one silicon-bonded organic group linked, to the silicon atom via a Si-C bond by electroreduction of a compound (I), having a substituent -RX wherein R is a divalent carbon or hydrocarbon compound which may be substituted and X is halogen in the presence of (II), a silane of the general formula R'4-a-bSiXa(RX)b wherein R' is hydrogen a hydrocarbon group, a, group containing H C and O atoms, S atoms and/or P atoms and groups consisting of C, H and N atoms, a has a value of 1 to 4 b has a value of 0 to 3 and a?b has a value of 2 3 or 4.
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
- Filed July 27, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 27, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 27, 2012.
- 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.