CA2336788A1 - Composite membranes and methods for making such membranes - Google Patents
Composite membranes and methods for making such membranes Download PDFInfo
- Publication number
- CA2336788A1 CA2336788A1 CA002336788A CA2336788A CA2336788A1 CA 2336788 A1 CA2336788 A1 CA 2336788A1 CA 002336788 A CA002336788 A CA 002336788A CA 2336788 A CA2336788 A CA 2336788A CA 2336788 A1 CA2336788 A1 CA 2336788A1
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- support
- blend
- polymeric
- particulate
- 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 232
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 36
- 239000011236 particulate material Substances 0.000 claims abstract description 36
- 238000011282 treatment Methods 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims description 57
- 239000000203 mixture Substances 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 48
- 229920002635 polyurethane Polymers 0.000 claims description 34
- 239000004814 polyurethane Substances 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229920002301 cellulose acetate Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 244000052769 pathogen Species 0.000 abstract description 35
- 230000001717 pathogenic effect Effects 0.000 abstract description 31
- 239000013060 biological fluid Substances 0.000 abstract description 18
- 230000002779 inactivation Effects 0.000 abstract description 17
- 150000002894 organic compounds Chemical class 0.000 abstract description 11
- 239000011148 porous material Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 85
- 239000000243 solution Substances 0.000 description 41
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- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 10
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- 229960000907 methylthioninium chloride Drugs 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- RWSXRVCMGQZWBV-PHDIDXHHSA-N L-Glutathione Natural products OC(=O)[C@H](N)CCC(=O)N[C@H](CS)C(=O)NCC(O)=O RWSXRVCMGQZWBV-PHDIDXHHSA-N 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 210000002381 plasma Anatomy 0.000 description 9
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 8
- 150000001251 acridines Chemical class 0.000 description 8
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- 206010018910 Haemolysis Diseases 0.000 description 4
- 230000008588 hemolysis Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 102000039446 nucleic acids Human genes 0.000 description 3
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229940027998 antiseptic and disinfectant acridine derivative Drugs 0.000 description 2
- 239000003443 antiviral agent Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical group ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 2
- 239000010836 blood and blood product Substances 0.000 description 2
- 239000003114 blood coagulation factor Substances 0.000 description 2
- 229940125691 blood product Drugs 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005534 hematocrit Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002207 metabolite Substances 0.000 description 2
- 235000010460 mustard Nutrition 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000002953 phosphate buffered saline Substances 0.000 description 2
- 230000002186 photoactivation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- WJLWQZONJNEGAE-UHFFFAOYSA-N 7-chloro-2-n-(6-chloro-2-methoxyacridin-9-yl)heptane-2,5-diamine Chemical compound C1=C(Cl)C=CC2=C(NC(C)CCC(N)CCCl)C3=CC(OC)=CC=C3N=C21 WJLWQZONJNEGAE-UHFFFAOYSA-N 0.000 description 1
- DDGMDTGNGDOUPX-UHFFFAOYSA-N 7-methyliminophenothiazin-3-amine;hydrochloride Chemical compound [Cl-].C1=C(N)C=C2SC3=CC(=[NH+]C)C=CC3=NC2=C1 DDGMDTGNGDOUPX-UHFFFAOYSA-N 0.000 description 1
- 229930024421 Adenine Natural products 0.000 description 1
- GFFGJBXGBJISGV-UHFFFAOYSA-N Adenine Chemical compound NC1=NC=NC2=C1N=CN2 GFFGJBXGBJISGV-UHFFFAOYSA-N 0.000 description 1
- JMGZEFIQIZZSBH-UHFFFAOYSA-N Bioquercetin Natural products CC1OC(OCC(O)C2OC(OC3=C(Oc4cc(O)cc(O)c4C3=O)c5ccc(O)c(O)c5)C(O)C2O)C(O)C(O)C1O JMGZEFIQIZZSBH-UHFFFAOYSA-N 0.000 description 1
- 102000004506 Blood Proteins Human genes 0.000 description 1
- 108010017384 Blood Proteins Proteins 0.000 description 1
- 241000219198 Brassica Species 0.000 description 1
- 241000219193 Brassicaceae Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241000701022 Cytomegalovirus Species 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 241000598436 Human T-cell lymphotropic virus Species 0.000 description 1
- 206010061598 Immunodeficiency Diseases 0.000 description 1
- 208000029462 Immunodeficiency disease Diseases 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- REFJWTPEDVJJIY-UHFFFAOYSA-N Quercetin Chemical compound C=1C(O)=CC(O)=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 REFJWTPEDVJJIY-UHFFFAOYSA-N 0.000 description 1
- 210000001744 T-lymphocyte Anatomy 0.000 description 1
- 241000607447 Yersinia enterocolitica Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229960000643 adenine Drugs 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001541 aziridines Chemical class 0.000 description 1
- PGWTYMLATMNCCZ-UHFFFAOYSA-M azure A Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 PGWTYMLATMNCCZ-UHFFFAOYSA-M 0.000 description 1
- KFZNPGQYVZZSNV-UHFFFAOYSA-M azure B Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(NC)=CC=C3N=C21 KFZNPGQYVZZSNV-UHFFFAOYSA-M 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IPZJQDSFZGZEOY-UHFFFAOYSA-N dimethylmethylene Chemical group C[C]C IPZJQDSFZGZEOY-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- IVTMALDHFAHOGL-UHFFFAOYSA-N eriodictyol 7-O-rutinoside Natural products OC1C(O)C(O)C(C)OC1OCC1C(O)C(O)C(O)C(OC=2C=C3C(C(C(O)=C(O3)C=3C=C(O)C(O)=CC=3)=O)=C(O)C=2)O1 IVTMALDHFAHOGL-UHFFFAOYSA-N 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
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- 239000003446 ligand Substances 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 229950000688 phenothiazine Drugs 0.000 description 1
- 239000000906 photoactive agent Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 235000005875 quercetin Nutrition 0.000 description 1
- FDRQPMVGJOQVTL-UHFFFAOYSA-N quercetin rutinoside Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 FDRQPMVGJOQVTL-UHFFFAOYSA-N 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- IKGXIBQEEMLURG-BKUODXTLSA-N rutin Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@@H]1OC[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 IKGXIBQEEMLURG-BKUODXTLSA-N 0.000 description 1
- ALABRVAAKCSLSC-UHFFFAOYSA-N rutin Natural products CC1OC(OCC2OC(O)C(O)C(O)C2O)C(O)C(O)C1OC3=C(Oc4cc(O)cc(O)c4C3=O)c5ccc(O)c(O)c5 ALABRVAAKCSLSC-UHFFFAOYSA-N 0.000 description 1
- 235000005493 rutin Nutrition 0.000 description 1
- 229960004555 rutoside Drugs 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 235000019980 sodium acid phosphate Nutrition 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1
- HNONEKILPDHFOL-UHFFFAOYSA-M tolonium chloride Chemical compound [Cl-].C1=C(C)C(N)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 HNONEKILPDHFOL-UHFFFAOYSA-M 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229940098232 yersinia enterocolitica Drugs 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3681—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by irradiation
- A61M1/3683—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by irradiation using photoactive agents
- A61M1/3686—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by irradiation using photoactive agents by removing photoactive agents after irradiation
-
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28026—Particles within, immobilised, dispersed, entrapped in or on a matrix, e.g. a resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
- B01J20/28035—Membrane, sheet, cloth, pad, lamellar or mat with more than one layer, e.g. laminates, separated sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Dispersion Chemistry (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- External Artificial Organs (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/111,915 US6908553B1 (en) | 1998-07-08 | 1998-07-08 | Composite membrane with particulate matter substantially immobilized therein |
| US09/111,915 | 1998-07-08 | ||
| PCT/US1999/014471 WO2000002638A1 (en) | 1998-07-08 | 1999-06-25 | Composite membranes and methods for making such membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2336788A1 true CA2336788A1 (en) | 2000-01-20 |
Family
ID=22341116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002336788A Abandoned CA2336788A1 (en) | 1998-07-08 | 1999-06-25 | Composite membranes and methods for making such membranes |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6908553B1 (enExample) |
| EP (1) | EP1094876A4 (enExample) |
| JP (1) | JP2002520133A (enExample) |
| AU (1) | AU758405B2 (enExample) |
| BR (1) | BR9912517A (enExample) |
| CA (1) | CA2336788A1 (enExample) |
| WO (1) | WO2000002638A1 (enExample) |
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| JP4355655B2 (ja) | 2002-06-28 | 2009-11-04 | モザイク システムズ ベスローテン フェンノートシャップ | 官能性多孔質繊維 |
| US8828226B2 (en) | 2003-03-01 | 2014-09-09 | The Trustees Of Boston University | System for assessing the efficacy of stored red blood cells using microvascular networks |
| DE10344820B4 (de) * | 2003-09-26 | 2009-04-16 | Sartorius Stedim Biotech Gmbh | Adsorptionsmembranen, Verfahren zur Herstellung derselben und Verwendung der Adsorptionsmembranen in Vorrichtungen |
| DE10344819B4 (de) * | 2003-09-26 | 2017-06-29 | Sartorius Stedim Biotech Gmbh | Adsorptionsmembranen, Verfahren zur Herstellung derselben und Vorrichtungen, welche die Adsorptionsmembranen umfassen |
| US7424821B1 (en) * | 2004-06-25 | 2008-09-16 | Baxter International Inc. | Characterization of porous media |
| EP1627941A1 (en) * | 2004-08-17 | 2006-02-22 | Mosaic Systems B.V. | Functional porous multilayer fibre and its preparation |
| US7645312B2 (en) * | 2004-10-15 | 2010-01-12 | 3M Innovative Properties Company | Pleated multi-layer filter media and cartridge |
| RU2380153C2 (ru) * | 2004-12-30 | 2010-01-27 | Грейс Гмбх Унд Ко. Кг | Гибкие адсорбирующие изделия |
| US7445712B2 (en) * | 2005-04-07 | 2008-11-04 | Hydration Technologies Inc. | Asymmetric forward osmosis membranes |
| DE602006020262D1 (de) * | 2006-05-30 | 2011-04-07 | Mbn Nanomaterialia S P A | Verfahren zum mechanischen und chemischen Behandeln von Materialen, die zumindestens ein Polymer in flüssigem Zustand enthalten |
| US11284616B2 (en) | 2010-05-05 | 2022-03-29 | Hemanext Inc. | Irradiation of red blood cells and anaerobic storage |
| EP2355860B1 (en) | 2009-10-12 | 2018-11-21 | New Health Sciences, Inc. | Blood storage bag system and depletion devices with oxygen and carbon dioxide depletion capabilities |
| BR112012008682A2 (pt) | 2009-10-12 | 2017-06-20 | New Health Sciences Inc | "dispositivo de depleção de oxigênio, e, método para remover oxigênio de células vermelhas do sangue." |
| US12089589B2 (en) | 2009-10-12 | 2024-09-17 | Hemanext Inc. | Irradiation of red blood cells and anaerobic storage |
| US9199016B2 (en) | 2009-10-12 | 2015-12-01 | New Health Sciences, Inc. | System for extended storage of red blood cells and methods of use |
| EP4091645A1 (en) | 2010-08-25 | 2022-11-23 | Hemanext Inc. | Method for enhancing red blood cell quality and survival during storage |
| PT3539381T (pt) | 2010-11-05 | 2023-09-26 | Hemanext Inc | Irradiação de glóbulos vermelhos e armazenamento anaeróbico |
| US9067004B2 (en) | 2011-03-28 | 2015-06-30 | New Health Sciences, Inc. | Method and system for removing oxygen and carbon dioxide during red cell blood processing using an inert carrier gas and manifold assembly |
| ES2742949T3 (es) | 2011-08-10 | 2020-02-17 | New Health Sciences Inc | Dispositivo integrado de filtrado para el agotamiento de leucocitos, oxígeno y/o co2 y separación de plasma |
| US20140012223A1 (en) * | 2012-07-09 | 2014-01-09 | Benjamin B. Park | Devices using membrane mediated forward osmosis |
| WO2014134503A1 (en) | 2013-02-28 | 2014-09-04 | New Health Sciences, Inc. | Gas depletion and gas addition devices for blood treatment |
| CN107530377B (zh) | 2015-03-10 | 2021-09-03 | 新健康科学股份有限公司 | 氧减少一次性套件、装置及其使用方法 |
| CA2983295C (en) | 2015-04-23 | 2024-02-13 | New Health Sciences, Inc. | Anaerobic blood storage containers |
| EP3297641B1 (en) | 2015-05-18 | 2025-07-09 | Hemanext Inc. | Methods for the storage of whole blood, and compositions thereof |
| PT3463466T (pt) | 2016-05-27 | 2022-04-04 | Hemanext Inc | Método de armazenamento de sangue anaeróbio e inativação de patógenos |
| US11511235B2 (en) * | 2016-05-31 | 2022-11-29 | Amogreentech Co., Ltd. | Filter assembly, method for manufacturing same, and filter module comprising same |
| CN107469647A (zh) * | 2017-09-28 | 2017-12-15 | 哈尔滨工程大学 | 用于mbr法处理生活污水的改性亲水性膜及制备方法 |
| US10822461B2 (en) | 2017-10-05 | 2020-11-03 | Fresenius Medical Care Holdings, Inc. | Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same |
| CN109399785A (zh) * | 2018-11-08 | 2019-03-01 | 泉州台商投资区博汇机械研发有限公司 | 一种改善生物挂膜利用的组合式生物转盘处理装置 |
| US20210087603A1 (en) * | 2019-09-20 | 2021-03-25 | Charite - Universitaetsmedizin Berlin | Methods, kits and devices for measuring extracellular pyridine nucleotide |
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| BE788759A (fr) * | 1971-09-14 | 1973-01-02 | Atomic Energy Commission | Dialyseur compact pour la dialyse du sang et autres applications |
| JPS4910194A (enExample) * | 1972-05-30 | 1974-01-29 | ||
| US4011871A (en) | 1975-03-17 | 1977-03-15 | Personal Products Company | Water-dispersible barrier films for body fluid retention |
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| JPH01281143A (ja) * | 1989-03-15 | 1989-11-13 | Toppan Printing Co Ltd | シート状吸収材の製造方法 |
| JP2805709B2 (ja) | 1989-04-04 | 1998-09-30 | 株式会社アイアイシー | 浄水器 |
| ATE130215T1 (de) | 1989-12-20 | 1995-12-15 | Atlas Copco Airpower Nv | Verfahren zur gastrocknung, insbesondere druckluft, membran zur ausführung dieses verfahrens und verfahren zur herstellung der membran. |
| US5030352A (en) * | 1990-01-25 | 1991-07-09 | Purdue Research Foundation | Coated media for chromatography |
| US5071610A (en) * | 1990-02-23 | 1991-12-10 | Minnesota Mining And Manufacturing Company | Method of making a controlled pore composite polytetrafluoroethylene |
| JP3151817B2 (ja) * | 1990-08-03 | 2001-04-03 | 東レ株式会社 | 複合多孔膜 |
| US5197208A (en) | 1991-02-06 | 1993-03-30 | Combe Incorporated | Odor-adsorbent activated charcoal |
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| US5102547A (en) | 1991-06-21 | 1992-04-07 | Ionics, Incorporated | Anti-fouling semi-permeable membrane system |
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| JP3308056B2 (ja) * | 1993-09-01 | 2002-07-29 | 花王株式会社 | 多孔性フィルム |
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| US5914039A (en) * | 1997-07-01 | 1999-06-22 | Zenon Environmental Inc. | Filtration membrane with calcined α-alumina particles therein |
| DE19802899A1 (de) | 1998-01-27 | 1999-08-05 | Helmut Kaeferstein | Windkraftrotor zur Strömungsnutzung |
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-
1998
- 1998-07-08 US US09/111,915 patent/US6908553B1/en not_active Expired - Lifetime
-
1999
- 1999-06-25 EP EP99931933A patent/EP1094876A4/en not_active Withdrawn
- 1999-06-25 BR BR9912517-0A patent/BR9912517A/pt not_active IP Right Cessation
- 1999-06-25 AU AU48342/99A patent/AU758405B2/en not_active Ceased
- 1999-06-25 JP JP2000558895A patent/JP2002520133A/ja active Pending
- 1999-06-25 CA CA002336788A patent/CA2336788A1/en not_active Abandoned
- 1999-06-25 WO PCT/US1999/014471 patent/WO2000002638A1/en not_active Ceased
-
2001
- 2001-11-30 US US09/997,822 patent/US6899834B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1094876A4 (en) | 2003-02-05 |
| US6899834B2 (en) | 2005-05-31 |
| WO2000002638A1 (en) | 2000-01-20 |
| US20020066699A1 (en) | 2002-06-06 |
| EP1094876A1 (en) | 2001-05-02 |
| AU4834299A (en) | 2000-02-01 |
| US6908553B1 (en) | 2005-06-21 |
| WO2000002638A9 (en) | 2000-04-06 |
| BR9912517A (pt) | 2001-05-02 |
| JP2002520133A (ja) | 2002-07-09 |
| AU758405B2 (en) | 2003-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |