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Expired Canadian patentCanada

Process for the continuous production of lower aliphatic alcohols

CA 1297133 C · Owner: Sasol Germany Gmbh · Inventors: Neier, Wilhelm; Webers, Werner; Strehlke, Gunter

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Abstract From the Canadian patent

A PROCESS FOR THE CONTINUOUS PRODUCTION OF LOWER ALIPHATIC ALCOHOLS, (D#71,200-DTA-176-F) ABSTRACT OF THE DISCLOSURE, An improved process for the production of lower aliphatic alcohols by the catalytic hydration of a lower aliphatic olefin in the presence of a strongly acidic cation exchange resin catalyst in a fixed bed reactor and in which a cationic surfactant has been added to the process water is provided.

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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 4, 1986
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1297133 C
Classification (IPC)C07C29/04 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 4, 1986Patent grantedMarch 10, 1992Term endedMarch 10, 2009

Sources & verification

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