WO2023217814 - SURFACE TREATMENTS FOR MEMBRANES FOR PURIFICATION
National phase entry:
Publication Number
WO/2023/217814
Publication Date
16.11.2023
International Application No.
PCT/EP2023/062341
International Filing Date
10.05.2023
Title **
[English]
SURFACE TREATMENTS FOR MEMBRANES FOR PURIFICATION
[French]
TRAITEMENTS DE SURFACE POUR MEMBRANES DE PURIFICATION
Applicants **
MERCK PATENT GMBH
Frankfurter Strasse 250
64293 Darmstadt, DE
Inventors
ELDO, Joby
c/o EMD Millipore Corporation [Burlington]
400 Summit Drive, Massachusetts
BURLINGTON, MA 01803, US
CACACE, Benjamin
c/o EMD Millipore Corporation [Burlington]
400 Summit Drive, Massachusetts
BURLINGTON, MA 01803, US
CARBRELLO, Christina
c/o EMD Millipore Corporation [Burlington]
400 Summit Drive, Massachusetts
BURLINGTON, MA 01803, US
Priority Data
63/341,094
12.05.2022
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Translation |
|
Recalculate
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1260 | |
| EPO | Filing, Examination | 6221 | |
| Japan | Filing | 587 | |
| South Korea | Filing | 574 | |
| USA | Filing, Examination | 3910 |
Total: 12552 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
A surface treatment for a membrane, having a cross-linkable diacrylate solution used to make the cross-linked coating comprises a solution of at least one of 2.4-3.4% Hydroxypropyl acrylate and 1.1-2.1% polyethylene glycol diacrylate; 2.5-3.5% Bisphenol A ethoxylate diacrylate; 3.0-4.0% Bisphenol A ethoxylate diacrylate and 1.5-2.5% Hydroxypropyl acrylate; 1.5-2.5% Hydroxypropyl acrylate and 2.0-3.0% Polyethylene glycol diacrylate; 0.25-2.5% 2-Hydroxy-3-phenoxypropyl acrylate and 2.0-5.0% Polyethylene glycol diacrylate; or 3.0-4.0% Bisphenol A ethoxylate diacrylate. A filtration device for use with biological fluid, having a membrane; and a cross-linked coating on the membrane to form a surface modification or treatment, wherein the cross-linked coating is formed from a coating solution comprising a cross-linkable diacrylate.[French]
L'invention concerne un traitement de surface pour une membrane, comprenant une solution de diacrylate réticulable utilisée pour fabriquer le revêtement réticulé, comprend une solution d'au moins l'un parmi 2,4 à 3,4 % d'acrylate d'hydroxypropyle et 1,1 à 2,1 % de diacrylate de polyéthylène glycol ; 2,5 à 3,5 % de diacrylate d'éthoxylate de bisphénol A ; 3,0 à 4,0 % de diacrylate d'éthoxylate de bisphénol A et 1,5 à 2,5 % d'acrylate d'hydroxypropyle ; 1,5 à 2,5 % d'acrylate d'hydroxypropyle et 2,0 à 3,0 % de diacrylate de polyéthylène glycol ; 0,25 à 2,5 % d'acrylate de 2-hydroxy-3-phénoxypropyle et 2,0 à 5,0 % de diacrylate de polyéthylène glycol ; ou 3,0 à 4,0 % de diacrylate d'éthoxylate de bisphénol A. Un dispositif de filtration destiné à être utilisé avec un fluide biologique, comprenant une membrane ; et un revêtement réticulé sur la membrane pour former une modification ou un traitement de surface, le revêtement réticulé étant formé à partir d'une solution de revêtement comprenant un diacrylate réticulable.