Co-current contacting separation tray design and methods for using same
CA 2284582 A1 · Owner: Mobil Oil Corporation · Inventors: Stober, Berne Kim; Sowiak, Raymond Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tray design for use in a separation column (2) for distilling or fractionating a feed stream is provided. Located on the trays (6) are a plurality of co-current vapor and liquid contacting sections (16). Also located on the trays are a plurality of de-entrainment devices (8) for separating entrained liquids from vapor stream the de-entrainment devices , having an inner (25) and an outer (27) side the inner side (25) being , adjacent to the co-current contacting sections. The tray design further incorporates a plurality of liquid downcomers (14) having an upper portion , and a lower portion where the upper portion is capable of accepting liquid from the outer side (27) of the …
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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
- Filed February 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2020.
- 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
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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.