Treated mixed matrix polymeric membranes
US-9522364-B2 · Dec 20, 2016 · US
Spiral separation membrane element and method for producing same
US9764291B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9764291-B2 |
| Application number | US-201214008050-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 23, 2012 |
| Priority date | Mar 29, 2011 |
| Publication date | Sep 19, 2017 |
| Grant date | Sep 19, 2017 |
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Abstract
Official abstract text for this publication.
A spiral separation membrane element including a plurality of separation membrane pairs wound around the outer peripheral surface of a water collection pipe, wherein the plurality of separation membranes include at least two sets of separation membrane pairs in which two adjacent separation membranes are stacked such that the water supply sides of the separation membranes form opposing surfaces, and the water supply-side surfaces at the ends of separation membranes close to the water collection pipe and parallel to the lengthwise direction of the water collection pipe are sealed by a sealing material.
First claim
Opening claim text (preview).
The invention claimed is: 1. A spiral separation membrane element comprising: a wound body having a spirally wound separation membrane, a raw fluid channel provided along one surface of the separation membrane, a permeate fluid channel provided along another surface of the separation membrane, and a permeate fluid collection tube; wherein the raw fluid channel is closed to the permeate fluid collection tube, and the permeate fluid channel is open to the permeate fluid coll…
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Operations & Transport · mapped topic
- B01D63/10Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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- What does patent US9764291B2 cover?
- A spiral separation membrane element including a plurality of separation membrane pairs wound around the outer peripheral surface of a water collection pipe, wherein the plurality of separation membranes include at least two sets of separation membrane pairs in which two adjacent separation membranes are stacked such that the water supply sides of the separation membranes form opposing surfaces…
- Who is the assignee on this patent?
- Hirozawa Hiroho, Umetani Hiroshi, Koiwa Masakazu, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification B01D63/10. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Sep 19 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).