NL9001275A - Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor. - Google Patents
Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor. Download PDFInfo
- Publication number
- NL9001275A NL9001275A NL9001275A NL9001275A NL9001275A NL 9001275 A NL9001275 A NL 9001275A NL 9001275 A NL9001275 A NL 9001275A NL 9001275 A NL9001275 A NL 9001275A NL 9001275 A NL9001275 A NL 9001275A
- Authority
- NL
- Netherlands
- Prior art keywords
- composite membrane
- groups
- semi
- prepolymer
- reactive
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 91
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 title claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 43
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- -1 aliphatic isocyanate Chemical class 0.000 claims description 13
- 238000012695 Interfacial polymerization Methods 0.000 claims description 12
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 9
- 239000012948 isocyanate Substances 0.000 claims description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 8
- 229920001451 polypropylene glycol Polymers 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 3
- 150000002466 imines Chemical class 0.000 claims description 2
- DTSDBGVDESRKKD-UHFFFAOYSA-N n'-(2-aminoethyl)propane-1,3-diamine Chemical compound NCCCNCCN DTSDBGVDESRKKD-UHFFFAOYSA-N 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 72
- HOWGUJZVBDQJKV-UHFFFAOYSA-N docosane Chemical compound CCCCCCCCCCCCCCCCCCCCCC HOWGUJZVBDQJKV-UHFFFAOYSA-N 0.000 description 25
- 238000001223 reverse osmosis Methods 0.000 description 20
- 239000000243 solution Substances 0.000 description 20
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 230000004907 flux Effects 0.000 description 12
- 230000014759 maintenance of location Effects 0.000 description 12
- 239000012074 organic phase Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002609 medium Substances 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 244000075850 Avena orientalis Species 0.000 description 3
- 235000007319 Avena orientalis Nutrition 0.000 description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 3
- 229920002858 MOWIOL ® 4-88 Polymers 0.000 description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000005373 pervaporation Methods 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 229920002492 poly(sulfone) Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical group [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 208000029422 Hypernatremia Diseases 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000019486 Sunflower oil Nutrition 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000614 phase inversion technique Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000003527 tetrahydropyrans Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/144—Purification; Separation; Use of additives using membranes, e.g. selective permeation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9001275A NL9001275A (nl) | 1990-06-06 | 1990-06-06 | Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor. |
| US07/111,166 US5338455A (en) | 1990-06-06 | 1991-06-05 | Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
| DK91201404.0T DK0460770T3 (da) | 1990-06-06 | 1991-06-06 | Fremgangsmåde til separation af komponenter i et organisk væskemedium og en semi-permeabel kompositmembran hertil |
| DE69123085T DE69123085T2 (de) | 1990-06-06 | 1991-06-06 | Verfahren zum Trennen von Bestandteilen in einem flüssigen organischen Medium und halbdurchlässige zusammengesetzte Membran dafür |
| JP3134754A JPH04227830A (ja) | 1990-06-06 | 1991-06-06 | 有機溶体中の成分を分離する方法、およびその分離に用いる複合半透膜 |
| EP91201404A EP0460770B1 (en) | 1990-06-06 | 1991-06-06 | Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
| AT91201404T ATE145154T1 (de) | 1990-06-06 | 1991-06-06 | Verfahren zum trennen von bestandteilen in einem flüssigen organischen medium und halbdurchlässige zusammengesetzte membran dafür |
| ES91201404T ES2094786T3 (es) | 1990-06-06 | 1991-06-06 | Procedimiento para la separacion de componentes en un liquido organico y membrana semipermeable compuesta para el mismo. |
| GR960403442T GR3022333T3 (en) | 1990-06-06 | 1997-01-22 | Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9001275A NL9001275A (nl) | 1990-06-06 | 1990-06-06 | Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor. |
| NL9001275 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL9001275A true NL9001275A (nl) | 1992-01-02 |
Family
ID=19857195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL9001275A NL9001275A (nl) | 1990-06-06 | 1990-06-06 | Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5338455A (da) |
| EP (1) | EP0460770B1 (da) |
| JP (1) | JPH04227830A (da) |
| AT (1) | ATE145154T1 (da) |
| DE (1) | DE69123085T2 (da) |
| DK (1) | DK0460770T3 (da) |
| ES (1) | ES2094786T3 (da) |
| GR (1) | GR3022333T3 (da) |
| NL (1) | NL9001275A (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5182024A (en) * | 1990-12-05 | 1993-01-26 | Exxon Research And Engineering Company | Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane |
| NL9100307A (nl) * | 1991-02-21 | 1992-09-16 | X Flow Bv | Semi-permeabel composietmembraan, werkwijze voor de bereiding ervan, alsmede toepassing van dergelijke membranen voor het scheiden van componenten in een organische vloeistoffase of in de dampfase. |
| US5264166A (en) * | 1993-04-23 | 1993-11-23 | W. R. Grace & Co.-Conn. | Polyimide membrane for separation of solvents from lube oil |
| ES2180368B1 (es) * | 2000-03-06 | 2004-08-01 | Universitat Autonoma De Barcelona | Procedimiento para la obtencion de membranas compuestas para el transporte de especies quimicas. |
| DE10111665A1 (de) * | 2001-03-09 | 2002-09-19 | Geesthacht Gkss Forschung | Funktionalisierte Polyimid-Formkörper und funktionalisierte Polyimid-Membran |
| US8721942B2 (en) * | 2010-03-10 | 2014-05-13 | Dow Global Technologies Llc | Composite membrane including coating of polyalkylene oxide and acetophenone compounds |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5892420A (ja) * | 1981-11-27 | 1983-06-01 | Toyobo Co Ltd | 選択性分離膜 |
| US4493714A (en) * | 1982-05-06 | 1985-01-15 | Teijin Limited | Ultrathin film, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture |
| US4644046A (en) * | 1984-06-20 | 1987-02-17 | Teijin Limited | Ultrathin film, process for production thereof, and use thereof for concentrating a specific gas from a gas mixture |
| US4617126A (en) * | 1984-08-03 | 1986-10-14 | Uop Inc. | Membrane separation of hydrocarbons |
| NL8402647A (nl) * | 1984-08-30 | 1986-03-17 | Wafilin Bv | Semi-permeabel samengesteld membraan uit een poly-n-vinyl-n-methylpolymeer. |
| DE3614755A1 (de) * | 1986-04-30 | 1987-11-05 | Bayer Ag | Herstellung von semipermeablen composite-membranen |
| JPS63130105A (ja) * | 1986-11-19 | 1988-06-02 | Mitsubishi Gas Chem Co Inc | 選択透過性複合膜の製造方法 |
| US4837054A (en) * | 1987-10-14 | 1989-06-06 | Exxon Research And Engineering Company | Thin film composite membrane prepared by deposition from a solution |
| US4897091A (en) * | 1988-04-04 | 1990-01-30 | Texaco Inc. | Membrane process for separating gases from gas-liquid charge streams |
| US4865745A (en) * | 1988-05-02 | 1989-09-12 | Texaco Inc. | Method of treating dilute aqueous solutions |
| US4913816A (en) * | 1988-05-04 | 1990-04-03 | Ionics Incorporated | Chlorine tolerant composite semipermeable membrane |
| US4802984A (en) * | 1988-05-04 | 1989-02-07 | Ionics, Incorporated | Composite semipermeable membrane |
| US4929358A (en) * | 1989-08-09 | 1990-05-29 | Exxon Research And Engineering Company | Polyurethane-imide membranes and their use for the separation of aromatics from non-aromatics |
| US4982051A (en) * | 1990-01-18 | 1991-01-01 | Texaco Inc. | Separation of furfural/middle distillate streams |
-
1990
- 1990-06-06 NL NL9001275A patent/NL9001275A/nl not_active Application Discontinuation
-
1991
- 1991-06-05 US US07/111,166 patent/US5338455A/en not_active Expired - Lifetime
- 1991-06-06 JP JP3134754A patent/JPH04227830A/ja active Pending
- 1991-06-06 ES ES91201404T patent/ES2094786T3/es not_active Expired - Lifetime
- 1991-06-06 DK DK91201404.0T patent/DK0460770T3/da active
- 1991-06-06 AT AT91201404T patent/ATE145154T1/de not_active IP Right Cessation
- 1991-06-06 DE DE69123085T patent/DE69123085T2/de not_active Expired - Lifetime
- 1991-06-06 EP EP91201404A patent/EP0460770B1/en not_active Expired - Lifetime
-
1997
- 1997-01-22 GR GR960403442T patent/GR3022333T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5338455A (en) | 1994-08-16 |
| EP0460770A1 (en) | 1991-12-11 |
| GR3022333T3 (en) | 1997-04-30 |
| EP0460770B1 (en) | 1996-11-13 |
| DE69123085T2 (de) | 1997-04-10 |
| DK0460770T3 (da) | 1997-04-07 |
| DE69123085D1 (de) | 1996-12-19 |
| JPH04227830A (ja) | 1992-08-17 |
| ES2094786T3 (es) | 1997-02-01 |
| ATE145154T1 (de) | 1996-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| BV | The patent application has lapsed |