Patent Yard Sign in
Canadian application, no grantCanada

Integrated column for liquid-liquid contacting

CA 2397691 A1 · Owner: Kleinberger, Rafael · Inventors: Kleinberger, Rafael

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The present invention provides a system for and method of, performing, various liquid-liquid contacting operations such as solvent extraction stripping, scrubbing, washing, re-extraction and reacting in a single integrated column. The ability of the integrated column which is based on the intermediate, decanter; of the present invention to perform the entire operation of solvent extraction plant in a single column has many technical. economical ecological, and operational safety advantages. Investment costs significantly decrease due to the decrease in the number of columns decanters, and auxiliary equipment, spare parts materials inventories and the requisite area for the plant relative …

Read the whole patent

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

  • Filed August 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 12, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 12, 2002
GrantedNo grant recorded
Term endedAugust 12, 2022
Patent numberCA 2397691 A1
Classification (IPC)B01D3/32 +1 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedAug 12, 2002Term endedAug 12, 2022

Sources & verification

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