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Expired Canadian patentCanada

Process for producing trialkoxysilanes from the reaction of silicon metal and alcohol

CA 1321398 C · Owner: Union Carbide Corporation · Inventors: Mendicino, Frank Dominic

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A process for producing trialkoxysilane by the direct reaction of silicon metal with an alcohol, ROH, in the presence of a catalytically effective amount of copper (II) hydroxide wherein R, is an alkyl group containing from 1 to 6 carbon atoms. D-15.591

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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 August 17, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 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.
FiledMarch 30, 1988
GrantedAugust 17, 1993
Term endedAugust 17, 2010
Patent numberCA 1321398 C
Classification (IPC)C07F7/02

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 30, 1988Patent grantedAug 17, 1993Term endedAug 17, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.