Process for separation and purification of renewable propane

US9682903B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9682903-B2
Application numberUS-201615189419-A
CountryUS
Kind codeB2
Filing dateJun 22, 2016
Priority dateSep 18, 2015
Publication dateJun 20, 2017
Grant dateJun 20, 2017

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

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A method for treating a gas stream comprising hydrogen and propane, where a combination of membrane separation and elevated pressure distillation is used to separate the hydrogen gas from the propane gas.

First claim

Opening claim text (preview).

The invention claimed is: 1. Method for treating a gas stream comprising hydrogen and propane, comprising the steps of: a) providing a membrane having a feed side and a permeate side, the membrane being selective for hydrogen over propane; b) passing the gas stream across the feed side of the membrane; c) withdrawing from the feed side a retentate stream depleted in hydrogen and enriched in propane compared with the gas stream; d) withdrawing from the permeate side a permeat…

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What does patent US9682903B2 cover?
A method for treating a gas stream comprising hydrogen and propane, where a combination of membrane separation and elevated pressure distillation is used to separate the hydrogen gas from the propane gas.
Who is the assignee on this patent?
Neste Oyj
What technology area does this patent fall under?
Primary CPC classification C07C7/005. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jun 20 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).