IL138700A - Method for making hydrazine hydrate - Google Patents
Method for making hydrazine hydrateInfo
- Publication number
- IL138700A IL138700A IL13870099A IL13870099A IL138700A IL 138700 A IL138700 A IL 138700A IL 13870099 A IL13870099 A IL 13870099A IL 13870099 A IL13870099 A IL 13870099A IL 138700 A IL138700 A IL 138700A
- Authority
- IL
- Israel
- Prior art keywords
- methyl ethyl
- ethyl ketone
- azine
- hydrazine hydrate
- oxime
- Prior art date
Links
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 title claims abstract description 33
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims abstract description 78
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 48
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims abstract description 48
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012224 working solution Substances 0.000 claims abstract description 22
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical compound CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 3
- 230000001172 regenerating effect Effects 0.000 claims abstract description 3
- 238000004821 distillation Methods 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000002923 oximes Chemical class 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 229910001868 water Inorganic materials 0.000 description 15
- 238000006460 hydrolysis reaction Methods 0.000 description 14
- 150000001408 amides Chemical class 0.000 description 13
- 230000007062 hydrolysis Effects 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- 150000003863 ammonium salts Chemical class 0.000 description 12
- -1 CH3 oxime Chemical class 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 11
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- 239000000376 reactant Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 150000007513 acids Chemical class 0.000 description 9
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 7
- 150000002825 nitriles Chemical class 0.000 description 7
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical class [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 150000002576 ketones Chemical class 0.000 description 5
- LAWAERKRWYQEEN-FKJILZIQSA-N (e)-n-[(z)-butan-2-ylideneamino]butan-2-imine Chemical compound CC\C(C)=N/N=C(\C)CC LAWAERKRWYQEEN-FKJILZIQSA-N 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- LVKZSFMYNWRPJX-UHFFFAOYSA-N phenylarsonic acid Chemical compound O[As](O)(=O)C1=CC=CC=C1 LVKZSFMYNWRPJX-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- OGGXGZAMXPVRFZ-UHFFFAOYSA-N dimethylarsinic acid Chemical compound C[As](C)(O)=O OGGXGZAMXPVRFZ-UHFFFAOYSA-N 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- QYPPRTNMGCREIM-UHFFFAOYSA-N methylarsonic acid Chemical compound C[As](O)(O)=O QYPPRTNMGCREIM-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 2
- 229940080818 propionamide Drugs 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- 229940035437 1,3-propanediol Drugs 0.000 description 1
- 229940043375 1,5-pentanediol Drugs 0.000 description 1
- BDDLHHRCDSJVKV-UHFFFAOYSA-N 7028-40-2 Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O BDDLHHRCDSJVKV-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical group N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 238000004131 Bayer process Methods 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- PFLUPZGCTVGDLV-UHFFFAOYSA-N acetone azine Chemical compound CC(C)=NN=C(C)C PFLUPZGCTVGDLV-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DNSISZSEWVHGLH-UHFFFAOYSA-N butanamide Chemical compound CCCC(N)=O DNSISZSEWVHGLH-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229950004243 cacodylic acid Drugs 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VXIVSQZSERGHQP-UHFFFAOYSA-N chloroacetamide Chemical compound NC(=O)CCl VXIVSQZSERGHQP-UHFFFAOYSA-N 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- OGGXGZAMXPVRFZ-UHFFFAOYSA-M dimethylarsinate Chemical compound C[As](C)([O-])=O OGGXGZAMXPVRFZ-UHFFFAOYSA-M 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001145 hydrido group Chemical group *[H] 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940047889 isobutyramide Drugs 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- VBYZSBGMSZOOAP-UHFFFAOYSA-N molecular hydrogen hydrate Chemical compound O.[H][H] VBYZSBGMSZOOAP-UHFFFAOYSA-N 0.000 description 1
- SFDJOSRHYKHMOK-UHFFFAOYSA-N nitramide Chemical compound N[N+]([O-])=O SFDJOSRHYKHMOK-UHFFFAOYSA-N 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/16—Hydrazine; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9806077A FR2778659B1 (fr) | 1998-05-14 | 1998-05-14 | Procede de preparation d'hydrate d'hydrazine |
| PCT/FR1999/001074 WO1999058446A1 (fr) | 1998-05-14 | 1999-05-06 | Procede de preparation d'hydrate d'hydrazine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL138700A0 IL138700A0 (en) | 2001-10-31 |
| IL138700A true IL138700A (en) | 2004-09-27 |
Family
ID=9526341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL13870099A IL138700A (en) | 1998-05-14 | 1999-05-06 | Method for making hydrazine hydrate |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US6482383B1 (de) |
| EP (1) | EP1086045B1 (de) |
| JP (1) | JP4414091B2 (de) |
| KR (1) | KR100595950B1 (de) |
| CN (1) | CN1254434C (de) |
| AT (1) | ATE234263T1 (de) |
| AU (1) | AU747335B2 (de) |
| CA (1) | CA2331058A1 (de) |
| DE (1) | DE69905880T2 (de) |
| EA (1) | EA003020B1 (de) |
| ES (1) | ES2193695T3 (de) |
| FR (1) | FR2778659B1 (de) |
| ID (1) | ID27016A (de) |
| IL (1) | IL138700A (de) |
| NO (1) | NO20005112L (de) |
| NZ (1) | NZ508038A (de) |
| TW (1) | TWI221462B (de) |
| UA (1) | UA57840C2 (de) |
| WO (1) | WO1999058446A1 (de) |
| ZA (1) | ZA200006478B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6500990B2 (ja) * | 2015-08-03 | 2019-04-17 | 三菱瓦斯化学株式会社 | アジン、ヒドラゾン結合の切断方法 |
| US11225413B2 (en) | 2016-10-03 | 2022-01-18 | Council Of Scientific & Industrial Research | Process for production of hydrazine hydrate |
| FR3096049B1 (fr) * | 2019-05-16 | 2021-12-17 | Arkema France | Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage pyrazoline |
| FR3096048B1 (fr) * | 2019-05-16 | 2021-04-30 | Arkema France | Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage oxime |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2120517A5 (de) * | 1971-01-07 | 1972-08-18 | Ugine Kuhlmann | |
| US3976756A (en) * | 1975-10-28 | 1976-08-24 | Olin Corporation | Preparation of hydrazine and its compounds |
| JPS5659608A (en) * | 1979-10-19 | 1981-05-23 | Otsuka Chem Co Ltd | Hydrazine hydrate purifying method |
| FR2559472B1 (fr) * | 1984-02-14 | 1986-06-13 | Atochem | Procede de purification de solutions aqueuses d'hydrate d'hydrazine |
| JPS63295408A (ja) * | 1987-05-28 | 1988-12-01 | Mitsubishi Gas Chem Co Inc | 水加ヒドラジン水溶液の精製方法 |
| FR2647444B1 (de) * | 1989-05-24 | 1991-07-26 | Atochem | |
| FR2655336B1 (fr) * | 1989-12-04 | 1993-05-21 | Atochem | Procede de vaporisation d'une solution d'hydrate d'hydrazine. |
| FR2677648B1 (fr) * | 1991-06-12 | 1993-08-27 | Atochem | Procede pour reduire la teneur en co2 dans les reacteurs de synthese d'azines. |
-
1998
- 1998-05-14 FR FR9806077A patent/FR2778659B1/fr not_active Expired - Fee Related
-
1999
- 1999-05-06 EP EP99917001A patent/EP1086045B1/de not_active Expired - Lifetime
- 1999-05-06 CA CA002331058A patent/CA2331058A1/fr not_active Abandoned
- 1999-05-06 JP JP2000548257A patent/JP4414091B2/ja not_active Expired - Fee Related
- 1999-05-06 AU AU35288/99A patent/AU747335B2/en not_active Ceased
- 1999-05-06 NZ NZ508038A patent/NZ508038A/en unknown
- 1999-05-06 ES ES99917001T patent/ES2193695T3/es not_active Expired - Lifetime
- 1999-05-06 AT AT99917001T patent/ATE234263T1/de not_active IP Right Cessation
- 1999-05-06 EA EA200001181A patent/EA003020B1/ru not_active IP Right Cessation
- 1999-05-06 WO PCT/FR1999/001074 patent/WO1999058446A1/fr not_active Ceased
- 1999-05-06 KR KR1020007012764A patent/KR100595950B1/ko not_active Expired - Fee Related
- 1999-05-06 ID IDW20002349A patent/ID27016A/id unknown
- 1999-05-06 DE DE69905880T patent/DE69905880T2/de not_active Expired - Fee Related
- 1999-05-06 IL IL13870099A patent/IL138700A/en not_active IP Right Cessation
- 1999-05-06 US US09/674,574 patent/US6482383B1/en not_active Expired - Fee Related
- 1999-05-14 CN CNB991076621A patent/CN1254434C/zh not_active Expired - Lifetime
- 1999-05-14 TW TW088107881A patent/TWI221462B/zh not_active IP Right Cessation
- 1999-06-05 UA UA2000116384A patent/UA57840C2/uk unknown
-
2000
- 2000-10-11 NO NO20005112A patent/NO20005112L/no not_active Application Discontinuation
- 2000-11-09 ZA ZA200006478A patent/ZA200006478B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO20005112D0 (no) | 2000-10-11 |
| ID27016A (id) | 2001-02-22 |
| DE69905880D1 (de) | 2003-04-17 |
| FR2778659A1 (fr) | 1999-11-19 |
| JP2002514564A (ja) | 2002-05-21 |
| KR100595950B1 (ko) | 2006-07-03 |
| AU3528899A (en) | 1999-11-29 |
| EP1086045A1 (de) | 2001-03-28 |
| NZ508038A (en) | 2003-05-30 |
| CA2331058A1 (fr) | 1999-11-18 |
| TWI221462B (en) | 2004-10-01 |
| FR2778659B1 (fr) | 2000-06-23 |
| ES2193695T3 (es) | 2003-11-01 |
| WO1999058446A1 (fr) | 1999-11-18 |
| US6482383B1 (en) | 2002-11-19 |
| NO20005112L (no) | 2000-10-11 |
| AU747335B2 (en) | 2002-05-16 |
| JP4414091B2 (ja) | 2010-02-10 |
| EP1086045B1 (de) | 2003-03-12 |
| CN1242339A (zh) | 2000-01-26 |
| ZA200006478B (en) | 2001-05-07 |
| CN1254434C (zh) | 2006-05-03 |
| DE69905880T2 (de) | 2003-11-20 |
| ATE234263T1 (de) | 2003-03-15 |
| KR20010078714A (ko) | 2001-08-21 |
| IL138700A0 (en) | 2001-10-31 |
| UA57840C2 (uk) | 2003-07-15 |
| EA200001181A1 (ru) | 2001-04-23 |
| EA003020B1 (ru) | 2002-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102704266B1 (ko) | 옥심 재순환을 갖는 하이드라진 수화물을 제조하는 개선된 방법 | |
| JP3962872B2 (ja) | ケタジンの合成方法 | |
| US3869541A (en) | Method for manufacturing hydrazine | |
| AU747335B2 (en) | Method for preparing hydrazine hydrate | |
| US6562311B1 (en) | Method for preparing hydrazine hydrate | |
| IE914071A1 (en) | Process for the synthesis of azines | |
| AU747951B2 (en) | Method for preparing hydrazine hydrate | |
| US12134558B2 (en) | Process for preparing hydrazine hydrate with pyrazoline recycling | |
| KR20250027267A (ko) | 캐스케이드 반응기를 이용한 아진의 제조 방법 | |
| KR20250026856A (ko) | 흡수 컬럼을 이용한 히드라진 수화물의 제조 방법 | |
| KR830000207B1 (ko) | 케타진(ketazine)의 제조방법 | |
| JPH10130219A (ja) | ケタジン及び水加ヒドラジンの製造方法 | |
| JPH05319811A (ja) | アジ化ナトリウムの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |