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Expired Canadian patentCanada

Controlled break-up of liquid jets

CA 1323969 C · Owner: Imperial Chemical Industries Plc · Inventors: Oliver, Raymond; Lloyd-Jones, Gareth Niall

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Controlled break-up of liquid jets Liquid jets are broken up in a controlled manner by the use of an asymmetric disturbance, so as to provide substantially spherical droplets having a desired size distribution. This method is of particular utility in the manufacture of fertilizers and sodium hydroxide.

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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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 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.
FiledDecember 7, 1988
GrantedNovember 9, 1993
Term endedNovember 9, 2010
Patent numberCA 1323969 C
Classification (IPC)B01J2/18 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedDec 7, 1988Patent grantedNov 9, 1993Term endedNov 9, 2010

Sources & verification

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