CA2124084A1 - Microstructured membranes and methods for making same - Google Patents
Microstructured membranes and methods for making sameInfo
- Publication number
- CA2124084A1 CA2124084A1 CA002124084A CA2124084A CA2124084A1 CA 2124084 A1 CA2124084 A1 CA 2124084A1 CA 002124084 A CA002124084 A CA 002124084A CA 2124084 A CA2124084 A CA 2124084A CA 2124084 A1 CA2124084 A1 CA 2124084A1
- Authority
- CA
- Canada
- Prior art keywords
- pores
- membrane
- face
- percent
- sheet
- 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.)
- Abandoned
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000011148 porous material Substances 0.000 claims abstract description 156
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000002679 ablation Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 8
- 238000001020 plasma etching Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000004556 laser interferometry Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 150000004291 polyenes Chemical class 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 53
- 229920002799 BoPET Polymers 0.000 description 15
- 239000010936 titanium Substances 0.000 description 8
- 238000003491 array Methods 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003486 chemical etching Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910021642 ultra pure water Inorganic materials 0.000 description 3
- 239000012498 ultrapure water Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100285518 Drosophila melanogaster how gene Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000100287 Membras Species 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Natural products CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- MKWYFZFMAMBPQK-UHFFFAOYSA-J sodium feredetate Chemical compound [Na+].[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O MKWYFZFMAMBPQK-UHFFFAOYSA-J 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0015—Production of aperture devices, microporous systems or stamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/34—Use of radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/021—Pore shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/021—Pore shapes
- B01D2325/0212—Symmetric or isoporous membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/021—Pore shapes
- B01D2325/0214—Tapered pores
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80429491A | 1991-12-09 | 1991-12-09 | |
| US07/804294 | 1991-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2124084A1 true CA2124084A1 (en) | 1993-06-24 |
Family
ID=25188634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002124084A Abandoned CA2124084A1 (en) | 1991-12-09 | 1992-11-03 | Microstructured membranes and methods for making same |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0624114A1 (ja) |
| JP (1) | JPH07501988A (ja) |
| AU (1) | AU3125693A (ja) |
| CA (1) | CA2124084A1 (ja) |
| IL (1) | IL103793A0 (ja) |
| RU (1) | RU94019986A (ja) |
| WO (1) | WO1993011861A1 (ja) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996012541A1 (en) * | 1994-10-22 | 1996-05-02 | Central Research Laboratories Limited | Method and apparatus for diffusive transfer between immiscible fluids |
| ATE175362T1 (de) * | 1994-10-22 | 1999-01-15 | Central Research Lab Ltd | Verfahren und vorrichtung für diffusionsaustausch zwischen nicht mischbare flüssigkeiten |
| WO1998030317A1 (en) * | 1997-01-10 | 1998-07-16 | Morphometrix Technologies Inc. | Membrane microfilter manufacturing process |
| MXPA01004914A (es) * | 1998-11-16 | 2003-03-10 | Aradigm Corp | Metodo para fabricar membrana porosa con estructura porosa unica para el suministro aerosolizado de medicamentos. |
| MX250079B (es) * | 1999-06-11 | 2007-10-08 | Gas Separation Technology Inc | Material poroso permeable al gas para separacion de gases.. |
| WO2001005676A1 (en) * | 1999-07-14 | 2001-01-25 | The Coca-Cola Company | Vented promotional compartment |
| MXPA01008017A (es) * | 1999-12-08 | 2002-04-24 | Baxter Int | Membrana microporosa para filtro, metodo para fabricar una membrana microporosa para filtro y separador que emplea membranas microporosas para filtro. |
| JP4543762B2 (ja) * | 2003-06-06 | 2010-09-15 | 住友電気工業株式会社 | 穿孔された多孔質樹脂基材及び穿孔内壁面を導電化した多孔質樹脂基材の製造方法 |
| EP1967580B9 (de) | 2007-03-05 | 2012-04-04 | KRONES Aktiengesellschaft | Bierfilter |
| JP5395349B2 (ja) * | 2007-11-27 | 2014-01-22 | 株式会社クレハ | 多孔性ポリマー成形物の製造方法 |
| US20110215045A1 (en) * | 2008-06-24 | 2011-09-08 | Zhilian Zhou | High fidelity through hole film, and associated method |
| DE102008036920A1 (de) * | 2008-08-04 | 2010-02-11 | Itn Nanovation Ag | Filtriereinheit zur Aufbereitung von Wasser |
| FR2944713A1 (fr) * | 2009-04-27 | 2010-10-29 | Centre Nat Rech Scient | Substrats poreux microstructures, leur procede de preparation et leurs utilisations. |
| JP2011001434A (ja) * | 2009-06-17 | 2011-01-06 | Ube Industries Ltd | ポリイミド多孔質体の製造方法、及びポリイミド多孔質体 |
| TWI506070B (zh) * | 2009-12-14 | 2015-11-01 | 3M Innovative Properties Co | 微穿孔聚合物薄膜及其製造方法與用途 |
| CN102781561B (zh) † | 2010-03-02 | 2015-09-30 | Acal能源公司 | 气泡产生装置和方法 |
| KR101899183B1 (ko) * | 2011-03-03 | 2018-09-14 | 닛토덴코 가부시키가이샤 | 방수 통음막 및 전기 제품 |
| DE102011017696A1 (de) * | 2011-04-28 | 2012-10-31 | Siemens Aktiengesellschaft | Mikrosieb und Verfahren zum Herstellen eines Mikrosiebs |
| RU2525936C1 (ru) * | 2013-07-09 | 2014-08-20 | Федеральное государственное бюджетное учреждение высшего профессионального образования "Челябинская государственная агроинженерная академия" | Способ фильтрации растворов и суспензий |
| CN106536027B (zh) | 2014-07-18 | 2019-11-12 | 德国赛多利斯生物技术公司 | 具有性能增强的多级宏观空腔的膜 |
| JP6446218B2 (ja) * | 2014-09-24 | 2018-12-26 | 日東電工株式会社 | 表裏で反射率が異なる光学フィルム |
| JP6396736B2 (ja) * | 2014-09-24 | 2018-09-26 | 日東電工株式会社 | 防水通気膜と、それを備える防水通気部材および防水通気構造 |
| CN107075161B (zh) * | 2014-09-24 | 2020-11-06 | 日东电工株式会社 | 聚合物膜、防水透声膜、防水透气膜、吸附用片和光学膜 |
| JP6396737B2 (ja) * | 2014-09-24 | 2018-09-26 | 日東電工株式会社 | 吸着用シート及び吸着ユニットへの作業対象物の吸着方法並びにセラミックコンデンサの製造方法 |
| JP6431325B2 (ja) * | 2014-09-24 | 2018-11-28 | 日東電工株式会社 | 防水通音膜と、それを備える防水通音部材、電子機器、電子機器用ケースおよび防水通音構造 |
| EP3264790B1 (en) * | 2015-02-27 | 2022-08-17 | Nitto Denko Corporation | Use of an acoustic resistor member in an audio device, and audio device including an acoustic resistor member |
| EP4331712A1 (en) * | 2022-08-31 | 2024-03-06 | Oxyphen GmbH | Gas-tight track-etched membranes for emergency venting |
| WO2024089493A1 (en) * | 2022-10-27 | 2024-05-02 | 3M Innovative Properties Company | Porous polymeric membranes including a patterned array of through holes and methods of making same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742770A1 (de) * | 1987-12-17 | 1989-06-29 | Akzo Gmbh | Mikro-/ultrafiltrationsmembranen mit definierter porengroesse durch bestrahlung mit gepulsten lasern und verfahren zur herstellung |
| FR2662635B1 (fr) * | 1990-06-01 | 1995-01-27 | Cyclopore Sa | Materiau microperfore transparent et procede de preparation. |
-
1992
- 1992-10-03 RU RU94019986/26A patent/RU94019986A/ru unknown
- 1992-11-03 WO PCT/US1992/009406 patent/WO1993011861A1/en not_active Application Discontinuation
- 1992-11-03 AU AU31256/93A patent/AU3125693A/en not_active Abandoned
- 1992-11-03 EP EP92925058A patent/EP0624114A1/en not_active Withdrawn
- 1992-11-03 JP JP5510894A patent/JPH07501988A/ja active Pending
- 1992-11-03 CA CA002124084A patent/CA2124084A1/en not_active Abandoned
- 1992-11-19 IL IL103793A patent/IL103793A0/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1993011861A1 (en) | 1993-06-24 |
| RU94019986A (ru) | 1996-04-27 |
| EP0624114A1 (en) | 1994-11-17 |
| IL103793A0 (en) | 1993-04-04 |
| JPH07501988A (ja) | 1995-03-02 |
| AU3125693A (en) | 1993-07-19 |
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