CA1070065A - Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4) - Google Patents
Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)Info
- Publication number
- CA1070065A CA1070065A CA224,902A CA224902A CA1070065A CA 1070065 A CA1070065 A CA 1070065A CA 224902 A CA224902 A CA 224902A CA 1070065 A CA1070065 A CA 1070065A
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- polybenz
- formula
- membranes
- group
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 84
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000013535 sea water Substances 0.000 claims abstract description 9
- 238000011033 desalting Methods 0.000 claims abstract description 5
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical group [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Inorganic materials [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical class C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000002798 polar solvent Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 2
- JJHHIJFTHRNPIK-UHFFFAOYSA-N Diphenyl sulfoxide Chemical compound C=1C=CC=CC=1S(=O)C1=CC=CC=C1 JJHHIJFTHRNPIK-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims description 2
- 125000004957 naphthylene group Chemical group 0.000 claims description 2
- 230000000306 recurrent effect Effects 0.000 claims description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 claims 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims 1
- UFTHEDBYLPFRDP-UHFFFAOYSA-N 5,6-dihydro-2h-oxazine Chemical compound C1CC=CNO1 UFTHEDBYLPFRDP-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- JKOSHCYVZPCHSJ-UHFFFAOYSA-N benzene;toluene Chemical group C1=CC=CC=C1.C1=CC=CC=C1.CC1=CC=CC=C1 JKOSHCYVZPCHSJ-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 11
- 210000004379 membrane Anatomy 0.000 description 69
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 42
- 239000000243 solution Substances 0.000 description 35
- 239000011780 sodium chloride Substances 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000010612 desalination reaction Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 9
- 238000001223 reverse osmosis Methods 0.000 description 8
- 235000011167 hydrochloric acid Nutrition 0.000 description 7
- 229960000443 hydrochloric acid Drugs 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000005862 Whey Substances 0.000 description 2
- 102000007544 Whey Proteins Human genes 0.000 description 2
- 108010046377 Whey Proteins Proteins 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000015203 fruit juice Nutrition 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- ZAMLGGRVTAXBHI-UHFFFAOYSA-N 3-(4-bromophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Chemical compound CC(C)(C)OC(=O)NC(CC(O)=O)C1=CC=C(Br)C=C1 ZAMLGGRVTAXBHI-UHFFFAOYSA-N 0.000 description 1
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000551547 Dione <red algae> Species 0.000 description 1
- 208000029422 Hypernatremia Diseases 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229940081735 acetylcellulose Drugs 0.000 description 1
- -1 aliphatic alcohols Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229940112021 centrally acting muscle relaxants carbamic acid ester Drugs 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 description 1
- QYPWRPSMKLUGJZ-UHFFFAOYSA-N pyridin-1-ium;sulfate Chemical compound [O-]S([O-])(=O)=O.C1=CC=[NH+]C=C1.C1=CC=[NH+]C=C1 QYPWRPSMKLUGJZ-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2418996A DE2418996A1 (de) | 1974-04-19 | 1974-04-19 | Asymmetrische, semipermeable membranen aus polybenz-1,3-oxazindionen-2,4 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1070065A true CA1070065A (en) | 1980-01-22 |
Family
ID=5913377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA224,902A Expired CA1070065A (en) | 1974-04-19 | 1975-04-17 | Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4) |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4036748A (enExample) |
| JP (1) | JPS5741965B2 (enExample) |
| AT (1) | AT343084B (enExample) |
| BE (1) | BE828035A (enExample) |
| CA (1) | CA1070065A (enExample) |
| CH (1) | CH610915A5 (enExample) |
| DE (1) | DE2418996A1 (enExample) |
| DK (1) | DK167875A (enExample) |
| FI (1) | FI751157A7 (enExample) |
| FR (1) | FR2268039A1 (enExample) |
| GB (1) | GB1496816A (enExample) |
| IT (1) | IT1035351B (enExample) |
| NL (1) | NL7504661A (enExample) |
| SE (2) | SE403968B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159251A (en) * | 1976-09-29 | 1979-06-26 | Pharmaco, Inc. | Ultrafiltration membranes based on heteroaromatic polymers |
| JPS621941A (ja) * | 1985-06-25 | 1987-01-07 | Houriyou Sangyo Kk | 掘さく機械部品 |
| US4861628A (en) * | 1987-10-14 | 1989-08-29 | Exxon Research And Engineering Company | Thin film composite membrane prepared by suspension deposition |
| US4828773A (en) * | 1987-10-14 | 1989-05-09 | Exxon Research And Engineering Company | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics |
| US4879044A (en) * | 1987-10-14 | 1989-11-07 | Exxon Research And Engineering Company | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics |
| US5039418A (en) * | 1990-12-06 | 1991-08-13 | Exxon Research And Engineering Company | Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations |
| AUPP521298A0 (en) * | 1998-08-12 | 1998-09-03 | Life Therapeutics Limited | Purification of fibrinogen |
| AUPP790698A0 (en) * | 1998-12-23 | 1999-01-28 | Life Therapeutics Limited | Separation of microorganisms |
| AUPP790898A0 (en) | 1998-12-23 | 1999-01-28 | Life Therapeutics Limited | Renal dialysis |
| US20050224355A1 (en) * | 1999-12-23 | 2005-10-13 | Brendon Conlan | Removal of biological contaminants |
| US7077942B1 (en) | 1999-12-23 | 2006-07-18 | Gradipore Limited | Removal of biological contaminants |
| AUPQ691400A0 (en) | 2000-04-14 | 2000-05-11 | Life Therapeutics Limited | Separation of micromolecules |
| CA2405033A1 (en) | 2000-04-18 | 2001-10-25 | Gradipore Limited | Electrophoresis separation and treatment of samples |
| AUPQ697300A0 (en) * | 2000-04-18 | 2000-05-11 | Life Therapeutics Limited | Separation apparatus |
| US6923896B2 (en) * | 2000-09-22 | 2005-08-02 | The Texas A&M University System | Electrophoresis apparatus and method |
| US20030019753A1 (en) * | 2000-10-05 | 2003-01-30 | David Ogle | Multi-port separation apparatus and method |
| AUPR222300A0 (en) * | 2000-12-21 | 2001-01-25 | Life Therapeutics Limited | Electrophoresis device and method |
| US20070107884A1 (en) * | 2005-10-27 | 2007-05-17 | Sirkar Kamalesh K | Polymeric hollow fiber heat exchange systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH496758A (de) * | 1967-02-21 | 1970-09-30 | Bayer Ag | Verfahren zur Herstellung von Folien aus Poly-1,3-benzoxazindionen-2,4 |
| US3526588A (en) * | 1967-09-21 | 1970-09-01 | Amicon Corp | Macromolecular fractionation process |
| FR1587787A (enExample) * | 1968-10-02 | 1970-03-27 |
-
1974
- 1974-04-19 DE DE2418996A patent/DE2418996A1/de not_active Withdrawn
-
1975
- 1975-04-16 US US05/568,605 patent/US4036748A/en not_active Expired - Lifetime
- 1975-04-17 GB GB15853/75A patent/GB1496816A/en not_active Expired
- 1975-04-17 SE SE7504451A patent/SE403968B/xx unknown
- 1975-04-17 JP JP50045936A patent/JPS5741965B2/ja not_active Expired
- 1975-04-17 FI FI751157A patent/FI751157A7/fi not_active Application Discontinuation
- 1975-04-17 BE BE155486A patent/BE828035A/xx unknown
- 1975-04-17 AT AT294775A patent/AT343084B/de active
- 1975-04-17 IT IT49150/75A patent/IT1035351B/it active
- 1975-04-17 CA CA224,902A patent/CA1070065A/en not_active Expired
- 1975-04-18 FR FR7512233A patent/FR2268039A1/fr not_active Withdrawn
- 1975-04-18 CH CH501875A patent/CH610915A5/xx not_active IP Right Cessation
- 1975-04-18 NL NL7504661A patent/NL7504661A/xx unknown
- 1975-04-18 DK DK167875A patent/DK167875A/da not_active IP Right Cessation
-
1978
- 1978-01-18 SE SE7800588A patent/SE7800588L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2418996A1 (de) | 1975-10-30 |
| SE7504451L (sv) | 1975-10-20 |
| GB1496816A (en) | 1978-01-05 |
| FI751157A7 (enExample) | 1975-10-20 |
| FR2268039A1 (enExample) | 1975-11-14 |
| AT343084B (de) | 1978-05-10 |
| IT1035351B (it) | 1979-10-20 |
| CH610915A5 (enExample) | 1979-05-15 |
| JPS50141587A (enExample) | 1975-11-14 |
| NL7504661A (nl) | 1975-10-21 |
| SE403968B (sv) | 1978-09-18 |
| SE7800588L (sv) | 1978-01-18 |
| ATA294775A (de) | 1977-09-15 |
| BE828035A (fr) | 1975-10-17 |
| JPS5741965B2 (enExample) | 1982-09-06 |
| US4036748A (en) | 1977-07-19 |
| DK167875A (en) | 1975-10-20 |
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