Chromatographic separator
CA 2496335 A1 · Owner: Organo Corporation · Inventors: Ogawa, Yuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intermittent or simulated moving layer chromatographic separator capable of stably determining the purities of separated components wherein a circulation , passage (16) is formed by connecting four or more columns (14) to each other material liquid containing components (A) and (C) and eluent are filled in the circulation passage (16) and circulated in the circulation passage (16) a , density detector (54) is disposed in the circulation passage (16) at a position adjacent to a component (A) extracting valve (41) to detect the density of the components in the circulation passage (16) during a circulation process, and when the density of the components reaches a standard density or …
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 July 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.