Formation of layers of amphiphilic molecules
US-2017363577-A1 · Dec 21, 2017 · US
Spiral wound filtration module
US8991027B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8991027-B2 |
| Application number | US-201414158886-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 20, 2014 |
| Priority date | Mar 24, 2010 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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The present invention is directed toward spiral wound modules along with methods for making and using the same. Several embodiments are described including methods for making spiral wound filtration modules using membrane sheet provided from a roll, wherein the membrane sheet is unrolled and assembled in a direction parallel to the permeate collection tube of the module.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for making a spiral wound module comprising: providing a permeate collection tube; providing at least one roll of membrane sheet wherein the membrane sheet comprises a membrane layer and support layer which are rolled up in a roll direction; removing a first and second rectangular section of membrane sheet from at least one roll, wherein each section has four edges and two opposing sides including a membrane side and a support side; form…
Assignees
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Classifications
Operations & Transport · mapped topic
- B01D67/00Primary
Operations & Transport · mapped topic
- B01D63/101Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8991027B2 cover?
- The present invention is directed toward spiral wound modules along with methods for making and using the same. Several embodiments are described including methods for making spiral wound filtration modules using membrane sheet provided from a roll, wherein the membrane sheet is unrolled and assembled in a direction parallel to the permeate collection tube of the module.
- Who is the assignee on this patent?
- Dow Global Technologies Llc
- What technology area does this patent fall under?
- Primary CPC classification B01D67/00. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 31 2015 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).