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Expired Canadian patentCanada

In-line distillation system

CA 1161390 A · Owner: Metropolitan Sanitary District Of Greater Chicago (The) · Inventors: Lordi, David T.; Lue-Hing, Cecil; Kelada, Nabih P.

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

An in-line distillation system for separating volatile components entrained in a liquid includes a distillation device for separating the volatile components from the liquid. A distribution device is connected in fluid communication with the outlet of the distillation and has a first conduit portion for flowing the separated volatile component from the outlet of the distillation device, and a second conduit portion for flowing the liquid from the outlet of the distillation device. A trap device resists the flow of the separated volatile component from entering the second conduit and thus forces the flow of volatile component into the first conduit. The trap device includes a reservoir …

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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 January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 9, 1979
GrantedJanuary 31, 1984
Term endedJanuary 31, 2001
Patent numberCA 1161390 A
Classification (IPC)B01D3/00 +1 more

Timeline

Timeline From CIPO dates

19801983198619891992199519982001Application filedOct 9, 1979Patent grantedJan 31, 1984Term endedJan 31, 2001

Sources & verification

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