JPS6317922B2 - - Google Patents

Info

Publication number: JPS6317922B2
Authority: JP; Japan
Prior art keywords: fibers; cellulose acetate; glycerin; fiber; water
Prior art date: 1977-07-05
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

Application number

JP62025535A

Other languages

English (en)

Japanese (ja)

Other versions

JPS62250215A (ja

Inventor

Jei Keru Maikeru

Deii Mahonee Robaato

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.)

Althin Medical Inc

Original Assignee

Cordis Dow Corp

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.)

1977-07-05

Filing date

1987-02-05

Publication date

1988-04-15

1987-02-05 Application filed by Cordis Dow Corp filed Critical Cordis Dow Corp

1987-10-31 Publication of JPS62250215A publication Critical patent/JPS62250215A/ja

1988-04-15 Publication of JPS6317922B2 publication Critical patent/JPS6317922B2/ja

Status Granted legal-status Critical Current

Links

239000000835 fiber Substances 0.000 claims abstract description 142
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 80
229920002301 cellulose acetate Polymers 0.000 claims abstract description 59
239000000203 mixture Substances 0.000 claims abstract description 54
235000011187 glycerol Nutrition 0.000 claims abstract description 40
239000012510 hollow fiber Substances 0.000 claims abstract description 34
239000002202 Polyethylene glycol Substances 0.000 claims abstract description 21
229920001223 polyethylene glycol Polymers 0.000 claims abstract description 21
238000000034 method Methods 0.000 claims description 34
238000002386 leaching Methods 0.000 claims description 18
238000004519 manufacturing process Methods 0.000 claims description 15
238000001816 cooling Methods 0.000 claims description 12
238000010622 cold drawing Methods 0.000 claims description 10
238000001035 drying Methods 0.000 claims description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 44
210000003734 kidney Anatomy 0.000 abstract description 41
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 26
239000004202 carbamide Substances 0.000 abstract description 24
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 3
229910052753 mercury Inorganic materials 0.000 abstract description 3
238000000108 ultra-filtration Methods 0.000 abstract description 2
238000002074 melt spinning Methods 0.000 description 21
239000012528 membrane Substances 0.000 description 21
239000008280 blood Substances 0.000 description 18
210000004369 blood Anatomy 0.000 description 18
230000008569 process Effects 0.000 description 17
238000000502 dialysis Methods 0.000 description 16
238000001631 haemodialysis Methods 0.000 description 15
230000000322 hemodialysis Effects 0.000 description 15
DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 description 14
239000002904 solvent Substances 0.000 description 14
238000012546 transfer Methods 0.000 description 14
230000035699 permeability Effects 0.000 description 12
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 11
229920002678 cellulose Polymers 0.000 description 11
238000012360 testing method Methods 0.000 description 11
239000012530 fluid Substances 0.000 description 9
238000012545 processing Methods 0.000 description 8
239000000243 solution Substances 0.000 description 8
239000001913 cellulose Substances 0.000 description 7
229940109239 creatinine Drugs 0.000 description 7
238000004804 winding Methods 0.000 description 7
229920003043 Cellulose fiber Polymers 0.000 description 5
239000007789 gas Substances 0.000 description 5
235000002639 sodium chloride Nutrition 0.000 description 5
239000000126 substance Substances 0.000 description 5
239000007864 aqueous solution Substances 0.000 description 4
230000000694 effects Effects 0.000 description 4
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
239000000463 material Substances 0.000 description 4
238000002156 mixing Methods 0.000 description 4
238000009987 spinning Methods 0.000 description 4
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 4
229920001747 Cellulose diacetate Polymers 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 3
TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 3
AGVAZMGAQJOSFJ-WZHZPDAFSA-M cobalt(2+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+2].N#[C-].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O AGVAZMGAQJOSFJ-WZHZPDAFSA-M 0.000 description 3
238000000578 dry spinning Methods 0.000 description 3
238000011156 evaluation Methods 0.000 description 3
150000002334 glycols Chemical class 0.000 description 3
230000036541 health Effects 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000000155 melt Substances 0.000 description 3
239000004014 plasticizer Substances 0.000 description 3
239000011148 porous material Substances 0.000 description 3
238000011160 research Methods 0.000 description 3
239000013535 sea water Substances 0.000 description 3
239000011780 sodium chloride Substances 0.000 description 3
239000004753 textile Substances 0.000 description 3
229940045136 urea Drugs 0.000 description 3
229940116269 uric acid Drugs 0.000 description 3
239000011715 vitamin B12 Substances 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
230000017531 blood circulation Effects 0.000 description 2
238000007664 blowing Methods 0.000 description 2
230000001276 controlling effect Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
238000003760 magnetic stirring Methods 0.000 description 2
238000005259 measurement Methods 0.000 description 2
208000030159 metabolic disease Diseases 0.000 description 2
238000010587 phase diagram Methods 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
238000005086 pumping Methods 0.000 description 2
238000000746 purification Methods 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
239000002699 waste material Substances 0.000 description 2
238000003466 welding Methods 0.000 description 2
-1 For example Chemical class 0.000 description 1
PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
229920002284 Cellulose triacetate Polymers 0.000 description 1
229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
230000005856 abnormality Effects 0.000 description 1
229920006221 acetate fiber Polymers 0.000 description 1
125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
FDJOLVPMNUYSCM-UVKKECPRSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7, Chemical compound [Co+3].N#[C-].C1([C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)[N-]\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O FDJOLVPMNUYSCM-UVKKECPRSA-L 0.000 description 1
239000002826 coolant Substances 0.000 description 1
QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010612 desalination reaction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
208000016097 disease of metabolism Diseases 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
239000004744 fabric Substances 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000004907 flux Effects 0.000 description 1
238000001879 gelation Methods 0.000 description 1
231100001261 hazardous Toxicity 0.000 description 1
239000008240 homogeneous mixture Substances 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000007373 indentation Methods 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
230000009916 joint effect Effects 0.000 description 1
238000009533 lab test Methods 0.000 description 1
239000003041 laboratory chemical Substances 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
230000005012 migration Effects 0.000 description 1
238000013508 migration Methods 0.000 description 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
239000012457 nonaqueous media Substances 0.000 description 1
230000003204 osmotic effect Effects 0.000 description 1
235000020030 perry Nutrition 0.000 description 1
229920005862 polyol Polymers 0.000 description 1
150000003077 polyols Chemical class 0.000 description 1
239000000843 powder Substances 0.000 description 1
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
238000010791 quenching Methods 0.000 description 1
230000000171 quenching effect Effects 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
238000007711 solidification Methods 0.000 description 1
230000008023 solidification Effects 0.000 description 1
238000003756 stirring Methods 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
- 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
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
- 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
- B01D69/08—Hollow fibre membranes
- 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
- B01D69/08—Hollow fibre membranes
- B01D69/081—Hollow fibre membranes characterised by the fibre diameter
- 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
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Textile Engineering (AREA)
Mechanical Engineering (AREA)
General Chemical & Material Sciences (AREA)
Separation Using Semi-Permeable Membranes (AREA)
External Artificial Organs (AREA)
Artificial Filaments (AREA)

JP62025535A 1977-07-05 1987-02-05 改善されたセルロ−スアセテ−ト中空繊維の製造方法 Granted JPS62250215A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US81292977A	1977-07-05	1977-07-05
US812929		1977-07-05

Publications (2)

Publication Number	Publication Date
JPS62250215A JPS62250215A (ja)	1987-10-31
JPS6317922B2 true JPS6317922B2 (de)	1988-04-15

Family

ID=25211003

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
JP8138378A Pending JPS5442420A (en)	1977-07-05	1978-07-04	Improved cellulose acetate hollow fiber and production thereof
JP62025535A Granted JPS62250215A (ja)	1977-07-05	1987-02-05	改善されたセルロ−スアセテ−ト中空繊維の製造方法

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
JP8138378A Pending JPS5442420A (en)	1977-07-05	1978-07-04	Improved cellulose acetate hollow fiber and production thereof

Country Status (18)

Country	Link
JP (2)	JPS5442420A (de)
AT (1)	AT364899B (de)
AU (1)	AU519458B2 (de)
BE (1)	BE868708A (de)
BR (1)	BR7804325A (de)
CA (1)	CA1107020A (de)
CH (1)	CH632536A5 (de)
DD (1)	DD137950A5 (de)
DE (1)	DE2827100C2 (de)
DK (1)	DK149600C (de)
FR (1)	FR2396780A1 (de)
GB (1)	GB2000722B (de)
IT (1)	IT1107799B (de)
MX (1)	MX153159A (de)
NL (1)	NL7807225A (de)
NO (1)	NO147979C (de)
NZ (1)	NZ187610A (de)
SE (1)	SE428221B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1153171A (en) *	1979-12-17	1983-09-06	David T. Chen	Cellulose semipermeable hollow fibers and method for making same
JPS5949806A (ja) *	1982-09-13	1984-03-22	Teijin Ltd	セルロースエステル系中空糸状分離膜
JPS59199807A (ja) *	1983-04-20	1984-11-13	Teijin Ltd	選択透過性セルロ−スエステル系中空繊維の製造方法
JPS59211459A (ja) *	1983-05-17	1984-11-30	帝人株式会社	血液処理器の滅菌方法
JPS605202A (ja) *	1983-06-21	1985-01-11	Teijin Ltd	多孔性セルロ−スエステル系中空繊維およびその製造方法
CA1272139A (en) *	1984-11-16	1990-07-31	Shoji Mizutani	Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers
JPS6343669A (ja) *	1986-08-08	1988-02-24	帝人株式会社	血液処理器の製造方法
WO2003000966A1 (en)	2001-06-26	2003-01-03	Toray Industries, Inc.	Thermoplastic cellulose derivative composition and fiber comprising the same
WO2013125681A1 (ja) *	2012-02-24	2013-08-29	東洋紡株式会社	中空糸型半透膜及びその製造方法及びモジュール及び水処理方法
US10888822B2 (en) *	2014-09-30	2021-01-12	Toray Industries, Inc.	Separation membrane
DE102020102096B4 (de)	2020-01-29	2023-03-23	Cerdia International GmbH	Celluloseacetathaltiger faserstoff für ein nonwoven-produkt, nonwoven-produkt mit einem solchen faserstoff und verfahren zur herstellung eines solchen faserstoffs
US20230397602A1 (en) *	2020-10-30	2023-12-14	Toyobo Co., Ltd.	Cell cryopreservation hollow fiber membrane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE342820A (de) *	1925-09-17
US3423491A (en) *	1964-09-02	1969-01-21	Dow Chemical Co	Permselective hollow fibers and method of making
FR1456757A (fr) *	1964-09-02	1966-07-08	Dow Chemical Co	Fibres creuses sélectivement perméables et leur fabrication
US3532527A (en) *	1966-11-04	1970-10-06	Dow Chemical Co	Permeable separatory membranes
US3745202A (en) *	1971-03-17	1973-07-10	Us Interior	Method of preparing an asymmetric membrane from a cellulose derivative
JPS5170316A (ja) *	1974-12-16	1976-06-17	Teijin Ltd	Seruroosuaseteetochukushino seizohoho

1978
- 1978-06-09 AU AU36971/78A patent/AU519458B2/en not_active Expired
- 1978-06-19 NZ NZ187610A patent/NZ187610A/xx unknown
- 1978-06-21 DE DE2827100A patent/DE2827100C2/de not_active Expired
- 1978-06-22 CA CA306,020A patent/CA1107020A/en not_active Expired
- 1978-06-28 FR FR7819383A patent/FR2396780A1/fr active Granted
- 1978-06-30 AT AT0477578A patent/AT364899B/de not_active IP Right Cessation
- 1978-06-30 IT IT50125/78A patent/IT1107799B/it active
- 1978-07-04 SE SE7807516A patent/SE428221B/sv not_active IP Right Cessation
- 1978-07-04 DD DD78206508A patent/DD137950A5/de unknown
- 1978-07-04 GB GB7828704A patent/GB2000722B/en not_active Expired
- 1978-07-04 NO NO782320A patent/NO147979C/no unknown
- 1978-07-04 DK DK302078A patent/DK149600C/da not_active IP Right Cessation
- 1978-07-04 MX MX174045A patent/MX153159A/es unknown
- 1978-07-04 NL NL7807225A patent/NL7807225A/xx not_active Application Discontinuation
- 1978-07-04 JP JP8138378A patent/JPS5442420A/ja active Pending
- 1978-07-04 CH CH727578A patent/CH632536A5/fr not_active IP Right Cessation
- 1978-07-04 BE BE189048A patent/BE868708A/xx not_active IP Right Cessation
- 1978-07-05 BR BR7804325A patent/BR7804325A/pt unknown
1987
- 1987-02-05 JP JP62025535A patent/JPS62250215A/ja active Granted

Also Published As

Publication number	Publication date
BR7804325A (pt)	1979-04-17
SE428221B (sv)	1983-06-13
CA1107020A (en)	1981-08-18
NO147979C (no)	1983-07-20
BE868708A (fr)	1979-01-04
GB2000722A (en)	1979-01-17
DK149600C (da)	1987-02-09
FR2396780A1 (fr)	1979-02-02
DD137950A5 (de)	1979-10-03
AU519458B2 (en)	1981-12-03
SE7807516L (sv)	1979-01-06
NL7807225A (nl)	1979-01-09
ATA477578A (de)	1981-04-15
IT1107799B (it)	1985-11-25
JPS5442420A (en)	1979-04-04
MX153159A (es)	1986-08-14
FR2396780B1 (de)	1983-02-25
DE2827100A1 (de)	1979-01-25
JPS62250215A (ja)	1987-10-31
NO147979B (no)	1983-04-11
IT7850125A0 (it)	1978-06-30
AT364899B (de)	1981-11-25
DK302078A (da)	1979-01-06
GB2000722B (en)	1982-01-27
AU3697178A (en)	1979-12-13
CH632536A5 (fr)	1982-10-15
DK149600B (da)	1986-08-04
NO782320L (no)	1979-01-08
NZ187610A (en)	1980-09-12
DE2827100C2 (de)	1983-04-28

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