CA3120219A1 - A semipermeable arrangement - Google Patents

A semipermeable arrangement Download PDF

Info

Publication number
CA3120219A1
CA3120219A1 CA3120219A CA3120219A CA3120219A1 CA 3120219 A1 CA3120219 A1 CA 3120219A1 CA 3120219 A CA3120219 A CA 3120219A CA 3120219 A CA3120219 A CA 3120219A CA 3120219 A1 CA3120219 A1 CA 3120219A1
Authority
CA
Canada
Prior art keywords
arrangement
semipermeable
structural
self
ideally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3120219A
Other languages
English (en)
French (fr)
Inventor
Ernest Wai Yin LAU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA3120219A1 publication Critical patent/CA3120219A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/106—Membranes in the pores of a support, e.g. polymerized in the pores or voids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/1411—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/54—Polyureas; Polyurethanes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/281—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by applying a special coating to the membrane or to any module element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/08—Patterned membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/28—Degradation or stability over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/48—Antimicrobial properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Filtering Materials (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
CA3120219A 2018-05-03 2019-05-03 A semipermeable arrangement Pending CA3120219A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1807322.1A GB201807322D0 (en) 2018-05-03 2018-05-03 A semipermeable arrangement and method of manufacture
GB1807322.1 2018-05-03
GB1812846.2 2018-08-07
GBGB1812846.2A GB201812846D0 (en) 2018-05-03 2018-08-07 A semipermeable arrangement and method of manufacture
PCT/EP2019/061465 WO2019211479A2 (en) 2018-05-03 2019-05-03 A semipermeable arrangement

Publications (1)

Publication Number Publication Date
CA3120219A1 true CA3120219A1 (en) 2019-11-07

Family

ID=62598141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3120219A Pending CA3120219A1 (en) 2018-05-03 2019-05-03 A semipermeable arrangement

Country Status (7)

Country Link
US (1) US20210236995A1 (https=)
EP (1) EP3796992A2 (https=)
JP (1) JP2021522071A (https=)
CN (1) CN112384293A (https=)
CA (1) CA3120219A1 (https=)
GB (2) GB201807322D0 (https=)
WO (1) WO2019211479A2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021219886A1 (en) * 2020-04-30 2021-11-04 Lau Ernest Wai Yin An article of personal protective equipment with a pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS641216U (https=) * 1987-06-16 1989-01-06
JPH0433859Y2 (https=) * 1987-06-16 1992-08-13
JPH04122412A (ja) * 1990-09-12 1992-04-22 Hitachi Ltd 酸素の溶解方法及び酸素溶解装置
DE19544912A1 (de) * 1995-12-01 1997-06-05 Gore W L & Ass Gmbh PTFE-Körper aus mikroporösem Polytetrafluorethylen mit Füllstoff und Verfahren zu dessen Herstellung
EP1267763B1 (en) * 2000-01-03 2006-11-29 Biomed Sciences Inc. Novel wound dressing, process of manufacture and useful articles thereof
JP3851864B2 (ja) * 2002-10-23 2006-11-29 住友電工ファインポリマー株式会社 多孔質複層中空糸および該多孔質複層中空糸を備えた濾過モジュール
US8075669B2 (en) * 2007-04-23 2011-12-13 Gore Enterprise Holdings, Inc. Composite material
US8193406B2 (en) * 2007-05-17 2012-06-05 Ut-Battelle, Llc Super-hydrophobic bandages and method of making the same
JPWO2010092938A1 (ja) * 2009-02-16 2012-08-16 住友電工ファインポリマー株式会社 多孔質複層フィルターおよびその製造方法
CA2860934A1 (en) * 2012-01-10 2013-07-18 President And Fellows Of Harvard College Modification of surfaces for fluid and solid repellency
US9522072B2 (en) * 2013-03-15 2016-12-20 W. L. Gore & Associates, Inc. Porous materials having a fibrillar microstructure and a fracturable coating
JP6862642B2 (ja) * 2015-10-15 2021-04-21 住友電工ファインポリマー株式会社 半透膜及び半透膜の製造方法

Also Published As

Publication number Publication date
US20210236995A1 (en) 2021-08-05
EP3796992A2 (en) 2021-03-31
WO2019211479A2 (en) 2019-11-07
WO2019211479A3 (en) 2020-01-09
CN112384293A (zh) 2021-02-19
GB201807322D0 (en) 2018-06-20
GB201812846D0 (en) 2018-09-19
JP2021522071A (ja) 2021-08-30

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220929

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251021

U13 Renewal or maintenance fee not paid

Free format text: ST27 STATUS EVENT CODE: N-2-6-U10-U13-U300 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: DEEMED ABANDONED - FAILURE TO RESPOND TO MAINTENANCE FEE NOTICE

Effective date: 20251222

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: N-6-6-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251230