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Expired Canadian patentCanada

Oxidation hydrolysis of iodoalkanes

CA 1320037 C · Owner: Rule, Mark · Inventors: Agreda, Victor Hugh; Rule, Mark

CIPO record

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Abstract From the Canadian patent

A process comprising preparation of an alkanol and elemental iodine by contacting an iodoalkane containing 1 to 20 carbons, water and molecular oxygen at a temperature in the range of 50° to 200°C and recovering the elemental iodine. The elemental iodine is useful as an item of commerce as is the, alkanol.

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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 July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 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.
FiledJuly 11, 1989
GrantedJuly 13, 1993
Term endedJuly 13, 2010
Patent numberCA 1320037 C
Classification (IPC)C01B7/14 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 11, 1989Patent grantedJuly 13, 1993Term endedJuly 13, 2010

Sources & verification

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