FR2518421A1 - Empotage de membranes plastifiees, thermosensibles - Google Patents
Empotage de membranes plastifiees, thermosensibles Download PDFInfo
- Publication number
- FR2518421A1 FR2518421A1 FR8124343A FR8124343A FR2518421A1 FR 2518421 A1 FR2518421 A1 FR 2518421A1 FR 8124343 A FR8124343 A FR 8124343A FR 8124343 A FR8124343 A FR 8124343A FR 2518421 A1 FR2518421 A1 FR 2518421A1
- Authority
- FR
- France
- Prior art keywords
- membrane
- adhesive
- compound
- epoxy
- polyurethane
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 61
- 239000004814 polyurethane Substances 0.000 title claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 18
- 239000004593 Epoxy Substances 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 title claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 39
- 230000001070 adhesive effect Effects 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000008280 blood Substances 0.000 claims abstract description 18
- 210000004369 blood Anatomy 0.000 claims abstract description 18
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 238000002616 plasmapheresis Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 27
- 239000003822 epoxy resin Substances 0.000 claims description 16
- 229920000647 polyepoxide Polymers 0.000 claims description 16
- 239000012510 hollow fiber Substances 0.000 claims description 13
- 239000004848 polyfunctional curative Substances 0.000 claims description 11
- 238000004132 cross linking Methods 0.000 claims description 10
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 7
- 150000002081 enamines Chemical class 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 150000002513 isocyanates Chemical class 0.000 claims description 6
- 150000004658 ketimines Chemical class 0.000 claims description 6
- 238000004382 potting Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000013060 biological fluid Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000036772 blood pressure Effects 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract description 27
- 235000011187 glycerol Nutrition 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- -1 glycerin Chemical class 0.000 description 9
- 229920000768 polyamine Polymers 0.000 description 5
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 4
- 229920005862 polyol Polymers 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000000108 ultra-filtration Methods 0.000 description 3
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 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
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 238000002615 hemofiltration Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- GKQPCPXONLDCMU-CCEZHUSRSA-N lacidipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1C1=CC=CC=C1\C=C\C(=O)OC(C)(C)C GKQPCPXONLDCMU-CCEZHUSRSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- SZHIIIPPJJXYRY-UHFFFAOYSA-M sodium;2-methylprop-2-ene-1-sulfonate Chemical compound [Na+].CC(=C)CS([O-])(=O)=O SZHIIIPPJJXYRY-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
- B01D63/023—Encapsulating materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8124343A FR2518421A1 (fr) | 1981-12-23 | 1981-12-23 | Empotage de membranes plastifiees, thermosensibles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8124343A FR2518421A1 (fr) | 1981-12-23 | 1981-12-23 | Empotage de membranes plastifiees, thermosensibles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2518421A1 true FR2518421A1 (fr) | 1983-06-24 |
| FR2518421B1 FR2518421B1 (enrdf_load_stackoverflow) | 1984-02-10 |
Family
ID=9265445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8124343A Granted FR2518421A1 (fr) | 1981-12-23 | 1981-12-23 | Empotage de membranes plastifiees, thermosensibles |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2518421A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343359A1 (en) * | 1988-05-25 | 1989-11-29 | Terumo Kabushiki Kaisha | Hollow fiber membrane fluid processor |
| EP0938921A1 (en) * | 1998-02-26 | 1999-09-01 | Carbon Membranes Ltd. | A method for potting or casting inorganic hollow fiber membranes into tube sheets |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1532147A (fr) * | 1966-08-04 | 1968-07-05 | Dow Chemical Co | Compositions adhésives de résines époxy |
| FR1568113A (enrdf_load_stackoverflow) * | 1967-02-13 | 1969-05-23 | ||
| US3773181A (en) * | 1971-07-08 | 1973-11-20 | Westinghouse Electric Corp | Sealing membranes in a reverse osmosis module |
| FR2196365A1 (enrdf_load_stackoverflow) * | 1972-08-14 | 1974-03-15 | Witco Chemical Corp | |
| DE2313443A1 (de) * | 1973-03-17 | 1974-10-03 | Kalle Ag | Fluessiges mittel zum verkleben nasser osmosemembranen auf basis von polymerem material |
| FR2386325A1 (fr) * | 1977-04-04 | 1978-11-03 | Cobe Lab | Procede de fabrication d'un dialyseur |
| US4137276A (en) * | 1977-08-19 | 1979-01-30 | National Starch And Chemical Corporation | Flexible film laminating adhesives |
| US4170559A (en) * | 1976-11-05 | 1979-10-09 | N L Industries, Inc. | Hollow fiber separatory device |
| GB2018795A (en) * | 1978-04-10 | 1979-10-24 | Nl Industries Inc | Thixotropic polyurethane compositions and their use as sealants for membrane separatory devices |
| US4271740A (en) * | 1978-04-26 | 1981-06-09 | Nippon Zeon Co., Ltd. | Cutting apparatus for potting material with hollow fibers embedded therein |
| GB2066697A (en) * | 1980-01-03 | 1981-07-15 | Monsanto Co | Epoxide tube sheets for permeators |
-
1981
- 1981-12-23 FR FR8124343A patent/FR2518421A1/fr active Granted
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1532147A (fr) * | 1966-08-04 | 1968-07-05 | Dow Chemical Co | Compositions adhésives de résines époxy |
| FR1568113A (enrdf_load_stackoverflow) * | 1967-02-13 | 1969-05-23 | ||
| US3773181A (en) * | 1971-07-08 | 1973-11-20 | Westinghouse Electric Corp | Sealing membranes in a reverse osmosis module |
| FR2196365A1 (enrdf_load_stackoverflow) * | 1972-08-14 | 1974-03-15 | Witco Chemical Corp | |
| DE2313443A1 (de) * | 1973-03-17 | 1974-10-03 | Kalle Ag | Fluessiges mittel zum verkleben nasser osmosemembranen auf basis von polymerem material |
| US4170559A (en) * | 1976-11-05 | 1979-10-09 | N L Industries, Inc. | Hollow fiber separatory device |
| FR2386325A1 (fr) * | 1977-04-04 | 1978-11-03 | Cobe Lab | Procede de fabrication d'un dialyseur |
| US4137276A (en) * | 1977-08-19 | 1979-01-30 | National Starch And Chemical Corporation | Flexible film laminating adhesives |
| GB2018795A (en) * | 1978-04-10 | 1979-10-24 | Nl Industries Inc | Thixotropic polyurethane compositions and their use as sealants for membrane separatory devices |
| US4271740A (en) * | 1978-04-26 | 1981-06-09 | Nippon Zeon Co., Ltd. | Cutting apparatus for potting material with hollow fibers embedded therein |
| GB2066697A (en) * | 1980-01-03 | 1981-07-15 | Monsanto Co | Epoxide tube sheets for permeators |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343359A1 (en) * | 1988-05-25 | 1989-11-29 | Terumo Kabushiki Kaisha | Hollow fiber membrane fluid processor |
| US4966699A (en) * | 1988-05-25 | 1990-10-30 | Terumo Kabushiki Kaisha | Hollow fiber membrane fluid processor |
| EP0938921A1 (en) * | 1998-02-26 | 1999-09-01 | Carbon Membranes Ltd. | A method for potting or casting inorganic hollow fiber membranes into tube sheets |
| US6270714B1 (en) | 1998-02-26 | 2001-08-07 | Carbon Membranes Ltd. | Method for potting or casting inorganic hollow fiber membranes into tube sheets |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2518421B1 (enrdf_load_stackoverflow) | 1984-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |