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Expired Canadian patentCanada

Process and apparatus for preparation of sulfur for storage and transportation

CA 1097013 A · Owner: Liquid Terminals, Inc. · Inventors: Schofield, James W.

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Abstract From the Canadian patent

Abstract of the Disclosure A process and apparatus for producing solid irregular, shaped sulfur nuggets from molten sulfur. The method includes the steps of: flowing the molten sulfur in a feed system where the temperature of the sulfur is controlled within a desired range; flowing the sulfur to a processing unit where the sulfur is discharged in ribbon-like streams into a body of water which solidifies the sulfur into irregular solid nuggets depositing the, sulfur on a conveyor in the processing unit; and moving the solidified sulfur nuggets from the processing unit on the conveyor to storage or transport facilities. One form of feed system has a receiving tank system including several …

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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, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 22, 1976
GrantedMarch 10, 1981
Term endedMarch 10, 1998
Patent numberCA 1097013 A
Classification (IPC)B01J2/00 +2 more

Timeline

Timeline From CIPO dates

19771980198319861989199219951998Application filedJune 22, 1976Patent grantedMarch 10, 1981Term endedMarch 10, 1998

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