KR19980087117A - 실질적으로 무수인 유기 액체의 정제 방법 - Google Patents
실질적으로 무수인 유기 액체의 정제 방법 Download PDFInfo
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- KR19980087117A KR19980087117A KR1019980017591A KR19980017591A KR19980087117A KR 19980087117 A KR19980087117 A KR 19980087117A KR 1019980017591 A KR1019980017591 A KR 1019980017591A KR 19980017591 A KR19980017591 A KR 19980017591A KR 19980087117 A KR19980087117 A KR 19980087117A
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- South Korea
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- resin
- liquid
- purified
- organic
- dmso
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 19
- 229920005989 resin Polymers 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims abstract description 57
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 6
- 229920003053 polystyrene-divinylbenzene Polymers 0.000 claims abstract description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 35
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 30
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 30
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 21
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 150000002894 organic compounds Chemical class 0.000 claims description 9
- 150000001768 cations Chemical class 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 3
- 125000001174 sulfone group Chemical group 0.000 claims description 3
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical compound CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 239000001191 butyl (2R)-2-hydroxypropanoate Substances 0.000 claims description 2
- 239000013522 chelant Substances 0.000 claims description 2
- 229940116333 ethyl lactate Drugs 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 claims 1
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 239000011734 sodium Substances 0.000 description 24
- 238000000746 purification Methods 0.000 description 13
- 125000002091 cationic group Chemical group 0.000 description 9
- 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 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 6
- 239000003456 ion exchange resin Substances 0.000 description 5
- 229920003303 ion-exchange polymer Polymers 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- -1 carboxylic acid ions Chemical class 0.000 description 3
- 238000002242 deionisation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229920001429 chelating resin Polymers 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- CHRJZRDFSQHIFI-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;styrene Chemical group C=CC1=CC=CC=C1.C=CC1=CC=CC=C1C=C CHRJZRDFSQHIFI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- BIIQSYOGJGXSMW-UHFFFAOYSA-N CC(=O)N(C)C.C(O)CN Chemical compound CC(=O)N(C)C.C(O)CN BIIQSYOGJGXSMW-UHFFFAOYSA-N 0.000 description 1
- 241001244373 Carex spissa Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000001636 atomic emission spectroscopy Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010977 unit operation Methods 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
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/05—Processes using organic exchangers in the strongly acidic form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
- C07B63/02—Purification; Separation; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- 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
- B01J45/00—Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Pyrrole Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
화합물 | 1-메틸-2-피롤리돈 | 이소프로필 알콜 | N,N-디메틸아세트아미드 | 모노에탄올아민 | 벤질알콜 | |
공급자 | S.G.S. | S.D.S. | 알드리히(Aldrich) | 휠스(Huls) | 엘프 아토켐(Elf Atochem) | |
등 급 | 초고순도 | 분석용 퓨렉스(purex) | H.P.L.C. | 초고순도 | 사진급 | |
순도(%) | 99.95 | 99.7 | 99.9 | 99.90 | 99.90 | |
물(%) | 0.02 | 0.1 | 0.03 | 0.06 | 0.1 | |
금속 | 검출한계(ppb) | 금속으로서 함량(ppb) | ||||
Na | 2 | 30 | 30 | 150 | 20 | 240 |
Fe | 1 | 15 | 6 | 85 | 5 | 5 |
시 간(h) | 0 | 4 | 8 | 24 |
[Na] (ppb) | 110 | 2 | 2 | 2 |
[Fe] (ppb) | 110 | 3 | 1 | 1 |
시 간(min) | 0 | 5 | 10 | 20 | 25 | 30 | 45 | 60 | 90 | 120 |
[Na] (ppb) | 450 | 200 | 80 | 40 | 20 | 18 | 10 | 10 | 8 | 8 |
[Fe] (ppb) | 530 | 440 | 340 | 280 | 150 | 130 | 110 | 60 | 12 | 10 |
실시예 번호 | 3 | 4 | 5 | 6 | 7 | |||||
유기 액체 | IPA | DMAC | MEA | PGMEA | AcOH | |||||
수지의 양(% w/w) | 5 | 5 | 5 | 10 | 10 | |||||
시간(h) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) |
01246824 | 25053232- | 240366567- | 53052222- | 5707030151310- | 10020121083- | 10032222- | 30222019-109 | 4020129-76 | 420301915-107 | 100632-32 |
실시예 번호 | 8 | 9 | 10 | 11 | 12 | |||||
혼합물 | DMSO/MEA70/30 (w/w) | DMSO/MEA30/70 (w/w) | NMP/MEA70/30 (w/w) | NMP/MEA30/70 (w/w) | DMSO/BYA50/50 (w/w) | |||||
수지의 양 (w/w) | 5 | 5 | 5 | 5 | 5 | |||||
시간(h) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) | [Na](ppb) | [Fe](ppb) |
0824 | 16022 | 27095 | 150108 | 210139 | 15522 | 17063 | 12522 | 17094 | 50022 | 60079 |
실시예 13DMSO/MEA70/30 (w/w) | 당량 부피 | 0 | 0.49 | 2.8 | 3.6 | 5.6 | 6.5 | 7.2 |
[Na](ppb) | 26 | 4 | 5 | 4 | 5 | 4 | 3 | |
[Fe](ppb) | 9 | 7 | 8 | 7 | 7 | 7 | 7 | |
실시예 14DMSO/MEA30/70 (w/w) | 당량 부피 | 0 | 0.31 | 2.3 | 3.13 | 5.2 | 7.4 | 8.14 |
[Na](ppb) | 40 | 2 | 2 | 2 | 2 | 2 | 2 | |
[Fe](ppb) | 33 | 20 | 12 | 7 | 1 | 1 | 1 | |
실시예 15NMP/MEA70/30 (w/w) | 당량 부피 | 0 | 0.45 | 2.7 | 3.4 | 5.8 | 6.1 | 6.9 |
[Na](ppb) | 27 | 5 | 5 | 5 | 5 | 5 | 5 | |
[Fe](ppb) | 5 | 3 | 2.5 | 1 | 1 | 1 | 1 | |
실시예 16n-부틸 아세테이트 | 당량 부피 | 0 | 0.07 | 0.12 | - | - | - | - |
[Na](ppb) | 140 | 3 | 2 | - | - | - | - | |
[Fe](ppb) | 9 | 2 | 2 | - | - | - | - |
Claims (9)
- 정제시킬 유기 액체를 산성 또는 암모늄 형태의 하나 이상의 양이온 교환 수지(들)와 접촉시키는 단계 및 그 다음 수지(들)로부터 정제된 유기 액체를 분리하는 단계로 필수적으로 구성되고, 상기 수지 또는 상기 수지의 하나 이상이 술폰기의 고려없이 디비닐벤젠 함량 50 내지 60 중량% 의 폴리스티렌-디비닐벤젠 공중합체를 기재로 한 -SO3H 또는 -SO3NH4형태의 술폰산 수지인 것을 특징으로 하는, 알칼리 및 알칼리 토금속 및 금속 양이온의 자체 함량을 감소시키기 위한, 디메틸 술폭시드 단독 이외의 실질적으로 무수인 유기 액체의 정제 방법.
- 제 1 항에 있어서, 유기 액체의 수함량이 1 중량% 이하인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 정제되는 액체는 유전율 ε 이 5 내지 50 및 pKa 가 2 이상을 나타내는 유기 화합물, 또는 이들 화합물의 혼합물 또는 이런 화합물과 디메틸 술폭시드(DMSO)의 혼합물인 것을 특징으로 하는 방법.
- 제 3 항에 있어서, 정제되는 액체가 1-메틸-2-피롤리돈(NMP), 이소프로필 알콜, 벤질 알콜(BYA), 디메틸아세트아미드, 모노에탄올아민(MEA), 아세트산에틸, 아세트산부틸, 락트산에틸, 락트산부틸, 술포란, 글리세롤, 아세트산, 아세톤, 프로필렌 글리콜 모노메틸 에테르 아세테이트 및 DMSO/MEA, NMP/MEA, DMSO/BYA 및 DMSO/BYA/MEA 혼합물로부터 선택되는 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 적어도 두 개의 수지를 사용하고, 이중 적어도 하나는 제 1 항에 정의된 것과 같은 술폰산 수지이고 다른 것(들)은 킬레이트형일 수 있는 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 수지 또는 수지들이 H+형태인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 교환 수지(들)와 정제되는 액체의 접촉이 19 내지 80 ℃ 범위의 온도에서 발생하는 것을 특징으로 하는 방법.
- 제 7 항에 있어서, 온도가 20 내지 50 ℃ 인 것을 특징으로 하는 방법.
- 제 2 항에 있어서, 유기 액체의 수함량이 0.15 중량% 이하인 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9705966A FR2763330B1 (fr) | 1997-05-15 | 1997-05-15 | Procede de purification de liquides organiques quasi anhydres |
FR97.05966 | 1997-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980087117A true KR19980087117A (ko) | 1998-12-05 |
KR100554934B1 KR100554934B1 (ko) | 2006-06-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980017591A KR100554934B1 (ko) | 1997-05-15 | 1998-05-15 | 실질적으로 무수성인 유기 액체의 정제 방법 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6123850A (ko) |
EP (1) | EP0878454B1 (ko) |
JP (1) | JP4302201B2 (ko) |
KR (1) | KR100554934B1 (ko) |
CN (1) | CN1088604C (ko) |
AT (1) | ATE204560T1 (ko) |
CA (1) | CA2235797C (ko) |
DE (2) | DE69801391T2 (ko) |
ES (1) | ES2162399T3 (ko) |
FR (1) | FR2763330B1 (ko) |
GB (1) | GB2325226B (ko) |
IL (1) | IL124390A (ko) |
MY (1) | MY129165A (ko) |
PL (1) | PL185584B1 (ko) |
SG (1) | SG68054A1 (ko) |
TW (1) | TW416862B (ko) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2763333B1 (fr) * | 1997-05-15 | 1999-06-25 | Elf Aquitaine | Procede de purification de dimethylsulfoxyde (dmso) |
US6660875B1 (en) | 1998-06-09 | 2003-12-09 | Ppt Technologies, Llc | Ion exchange purification of dielectric condensate precursor fluids and silicate esters such as tetraethylorthosilicate (TEOS) |
US7329354B2 (en) * | 1998-06-09 | 2008-02-12 | Ppt Technologies, Llc | Purification of organic solvent fluids |
DE19910504A1 (de) | 1999-03-10 | 2000-09-14 | Basf Ag | Verfahren zur Reinigung von N-substituierten Lactamen |
JP3958888B2 (ja) * | 1999-03-31 | 2007-08-15 | 株式会社神鋼環境ソリューション | ジメチルスルホキシド含有廃水の処理方法 |
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-
1997
- 1997-05-15 FR FR9705966A patent/FR2763330B1/fr not_active Expired - Fee Related
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1998
- 1998-05-08 IL IL12439098A patent/IL124390A/xx not_active IP Right Cessation
- 1998-05-11 EP EP98401117A patent/EP0878454B1/fr not_active Expired - Lifetime
- 1998-05-11 ES ES98401117T patent/ES2162399T3/es not_active Expired - Lifetime
- 1998-05-11 AT AT98401117T patent/ATE204560T1/de active
- 1998-05-11 DE DE69801391T patent/DE69801391T2/de not_active Expired - Lifetime
- 1998-05-13 DE DE19821327A patent/DE19821327A1/de not_active Withdrawn
- 1998-05-13 SG SG1998001328A patent/SG68054A1/en unknown
- 1998-05-14 PL PL98326291A patent/PL185584B1/pl unknown
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- 1998-05-14 JP JP13170698A patent/JP4302201B2/ja not_active Expired - Fee Related
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- 1998-05-15 TW TW087107545A patent/TW416862B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
JP4302201B2 (ja) | 2009-07-22 |
SG68054A1 (en) | 1999-10-19 |
KR100554934B1 (ko) | 2006-06-07 |
GB9810500D0 (en) | 1998-07-15 |
EP0878454B1 (fr) | 2001-08-22 |
IL124390A (en) | 2001-01-28 |
ATE204560T1 (de) | 2001-09-15 |
FR2763330A1 (fr) | 1998-11-20 |
MY129165A (en) | 2007-03-30 |
DE19821327A1 (de) | 1998-11-19 |
GB2325226A (en) | 1998-11-18 |
JPH10316594A (ja) | 1998-12-02 |
US6123850A (en) | 2000-09-26 |
CA2235797A1 (fr) | 1998-11-15 |
PL185584B1 (pl) | 2003-06-30 |
CN1211460A (zh) | 1999-03-24 |
CA2235797C (fr) | 2009-01-20 |
PL326291A1 (en) | 1998-11-23 |
DE69801391T2 (de) | 2002-05-23 |
FR2763330B1 (fr) | 1999-07-30 |
CN1088604C (zh) | 2002-08-07 |
EP0878454A1 (fr) | 1998-11-18 |
TW416862B (en) | 2001-01-01 |
DE69801391D1 (de) | 2001-09-27 |
IL124390A0 (en) | 1998-12-06 |
GB2325226B (en) | 2000-11-29 |
ES2162399T3 (es) | 2001-12-16 |
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