DE2807344A1 - Verfahren zur kontinuierlichen herstellung von persaeuren - Google Patents
Verfahren zur kontinuierlichen herstellung von persaeurenInfo
- Publication number
- DE2807344A1 DE2807344A1 DE19782807344 DE2807344A DE2807344A1 DE 2807344 A1 DE2807344 A1 DE 2807344A1 DE 19782807344 DE19782807344 DE 19782807344 DE 2807344 A DE2807344 A DE 2807344A DE 2807344 A1 DE2807344 A1 DE 2807344A1
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen peroxide
- acid
- organic solvent
- organic
- aqueous
- 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
- 238000000034 method Methods 0.000 title claims description 37
- 238000004519 manufacturing process Methods 0.000 title description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 109
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 40
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 150000004965 peroxy acids Chemical class 0.000 claims description 31
- 239000008346 aqueous phase Substances 0.000 claims description 30
- 238000000605 extraction Methods 0.000 claims description 27
- 239000012074 organic phase Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003960 organic solvent Substances 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 18
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 18
- 235000019260 propionic acid Nutrition 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 15
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 238000010924 continuous production Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- -1 alkylaryl hydrocarbons Chemical class 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 150000001735 carboxylic acids Chemical class 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 24
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical group CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 description 13
- 239000002904 solvent Substances 0.000 description 12
- 239000012071 phase Substances 0.000 description 9
- CZPZWMPYEINMCF-UHFFFAOYSA-N propaneperoxoic acid Chemical compound CCC(=O)OO CZPZWMPYEINMCF-UHFFFAOYSA-N 0.000 description 9
- 238000004880 explosion Methods 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CFXQEHVMCRXUSD-UHFFFAOYSA-N TCP Natural products ClCC(Cl)CCl CFXQEHVMCRXUSD-UHFFFAOYSA-N 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N 1,1,2-trichloroethane Chemical compound ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- 229960003750 ethyl chloride Drugs 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- UNFUYWDGSFDHCW-UHFFFAOYSA-N monochlorocyclohexane Chemical compound ClC1CCCCC1 UNFUYWDGSFDHCW-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 150000002924 oxiranes Chemical class 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- QVLAWKAXOMEXPM-UHFFFAOYSA-N 1,1,1,2-tetrachloroethane Chemical compound ClCC(Cl)(Cl)Cl QVLAWKAXOMEXPM-UHFFFAOYSA-N 0.000 description 1
- FEKGWIHDBVDVSM-UHFFFAOYSA-N 1,1,1,2-tetrachloropropane Chemical compound CC(Cl)C(Cl)(Cl)Cl FEKGWIHDBVDVSM-UHFFFAOYSA-N 0.000 description 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- AVGQTJUPLKNPQP-UHFFFAOYSA-N 1,1,1-trichloropropane Chemical compound CCC(Cl)(Cl)Cl AVGQTJUPLKNPQP-UHFFFAOYSA-N 0.000 description 1
- GRSQYISVQKPZCW-UHFFFAOYSA-N 1,1,2-trichloropropane Chemical compound CC(Cl)C(Cl)Cl GRSQYISVQKPZCW-UHFFFAOYSA-N 0.000 description 1
- URWHLZCXYCQNSY-UHFFFAOYSA-N 1,1,3-trichloropropane Chemical compound ClCCC(Cl)Cl URWHLZCXYCQNSY-UHFFFAOYSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- WIHMGGWNMISDNJ-UHFFFAOYSA-N 1,1-dichloropropane Chemical compound CCC(Cl)Cl WIHMGGWNMISDNJ-UHFFFAOYSA-N 0.000 description 1
- DAIIXVPKQATIMF-UHFFFAOYSA-N 1,2,2-trichloropropane Chemical compound CC(Cl)(Cl)CCl DAIIXVPKQATIMF-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- YHRUOJUYPBUZOS-UHFFFAOYSA-N 1,3-dichloropropane Chemical compound ClCCCCl YHRUOJUYPBUZOS-UHFFFAOYSA-N 0.000 description 1
- ZEOVXNVKXIPWMS-UHFFFAOYSA-N 2,2-dichloropropane Chemical compound CC(C)(Cl)Cl ZEOVXNVKXIPWMS-UHFFFAOYSA-N 0.000 description 1
- QEYMMOKECZBKAC-UHFFFAOYSA-N 3-chloropropanoic acid Chemical compound OC(=O)CCCl QEYMMOKECZBKAC-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical class CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229950005499 carbon tetrachloride Drugs 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000006735 epoxidation reaction Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- ULYZAYCEDJDHCC-UHFFFAOYSA-N isopropyl chloride Chemical compound CC(C)Cl ULYZAYCEDJDHCC-UHFFFAOYSA-N 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
- NAOLGLVUSGCEPZ-UHFFFAOYSA-N nitrobenzene;hydrate Chemical compound O.[O-][N+](=O)C1=CC=CC=C1 NAOLGLVUSGCEPZ-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product 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
- 238000000746 purification Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C407/00—Preparation of peroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C407/00—Preparation of peroxy compounds
- C07C407/003—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8246/77A GB1589066A (en) | 1977-02-26 | 1977-02-26 | Process for the production of peroxycarboxylic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2807344A1 true DE2807344A1 (de) | 1978-08-31 |
| DE2807344C2 DE2807344C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-07 |
Family
ID=9848812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782807344 Granted DE2807344A1 (de) | 1977-02-26 | 1978-02-21 | Verfahren zur kontinuierlichen herstellung von persaeuren |
Country Status (8)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325888A (en) * | 1978-01-13 | 1982-04-20 | Propylox | Preparation of peracid by liquid-liquid extraction |
| US4233235A (en) * | 1979-02-26 | 1980-11-11 | The Procter & Gamble Company | Method for making diperoxyacids |
| FR2455580A1 (fr) * | 1979-05-04 | 1980-11-28 | Propylox Sa | Procede pour l'epuration de solutions organiques de peracides carboxyliques |
| US4244884A (en) * | 1979-07-12 | 1981-01-13 | The Procter & Gamble Company | Continuous process for making peroxycarboxylic acids |
| FR2624507B1 (fr) * | 1987-12-11 | 1990-06-15 | Rhone Poulenc Chimie | Procede de preparation de derives aromatiques hydroxyles par la reaction de baeyer-villiger |
| EP0778270A1 (en) * | 1995-12-06 | 1997-06-11 | The Procter & Gamble Company | Process for manufacturing monoperacids |
| EP0794245B1 (en) * | 1996-03-04 | 2003-07-09 | The Procter & Gamble Company | Laundry pretreatment process and bleaching compositions |
| US7902269B2 (en) * | 2004-02-13 | 2011-03-08 | Kettenbach Gmbh & Co. Kg | Dental material based on alkoxysilyl-functional polyethers containing a salt of a strong base as catalyst |
| DE102005031201A1 (de) * | 2005-07-01 | 2007-01-25 | Kettenbach Gmbh & Co. Kg | Zu formstabilen Formkörpern aushärtendes kondensationsvernetzendes Dentalmaterial |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262970A1 (de) * | 1972-12-22 | 1974-07-11 | Degussa | Verfahren zur herstelung von percarbonsaeureloesungen in organischen loesungsmitteln |
| DE2602776A1 (de) * | 1975-02-04 | 1976-08-05 | Interox Chemicals Ltd | Verfahren zur epoxydation von alkenen und deren derivaten durch reaktion mit persaeuren |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140312A (en) * | 1960-04-28 | 1964-07-07 | Shell Oil Co | Percarboxylic acid production employing a pretreated, dehydrated acid cation exchange resin |
-
1977
- 1977-02-26 GB GB8246/77A patent/GB1589066A/en not_active Expired
-
1978
- 1978-01-30 US US05/873,523 patent/US4160778A/en not_active Expired - Lifetime
- 1978-02-14 SE SE7801718A patent/SE435503B/sv not_active IP Right Cessation
- 1978-02-21 BE BE1008719A patent/BE864135A/xx not_active IP Right Cessation
- 1978-02-21 DE DE19782807344 patent/DE2807344A1/de active Granted
- 1978-02-22 FR FR7805280A patent/FR2381752A1/fr active Granted
- 1978-02-24 IT IT48190/78A patent/IT1155843B/it active
- 1978-02-24 NL NL7802081A patent/NL7802081A/xx not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262970A1 (de) * | 1972-12-22 | 1974-07-11 | Degussa | Verfahren zur herstelung von percarbonsaeureloesungen in organischen loesungsmitteln |
| DE2602776A1 (de) * | 1975-02-04 | 1976-08-05 | Interox Chemicals Ltd | Verfahren zur epoxydation von alkenen und deren derivaten durch reaktion mit persaeuren |
Also Published As
| Publication number | Publication date |
|---|---|
| US4160778A (en) | 1979-07-10 |
| IT1155843B (it) | 1987-01-28 |
| DE2807344C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-07 |
| GB1589066A (en) | 1981-05-07 |
| SE7801718L (sv) | 1978-08-17 |
| SE435503B (sv) | 1984-10-01 |
| IT7848190A0 (it) | 1978-02-24 |
| FR2381752A1 (fr) | 1978-09-22 |
| NL7802081A (nl) | 1978-08-29 |
| FR2381752B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-11-07 |
| BE864135A (fr) | 1978-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2602776C2 (de) | Kontinuierliches Verfahren zur Epoxidation von niedrigmolekularen Alkenen und deren Derivaten durch Reaktion mit Peressigsäure und Perpropionsäure | |
| DE3016667C2 (de) | Verfahren zur Epoxidation von Propylen oder Allylchlorid | |
| DE1267677B (de) | Verfahren zur kontinuierlichen Herstellung von aromatischen Carbonsaeuren oder deren Anhydriden | |
| DE2807344A1 (de) | Verfahren zur kontinuierlichen herstellung von persaeuren | |
| DE1593228A1 (de) | Verfahren und Vorrichtung zur Herstellung von Olefinoxyden | |
| DE2519599C2 (de) | Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren | |
| DE1545365C3 (de) | Verfahren zur Abtrennung von aromatischen Kohlenwasserstoffen aus Mischungen aromatischer und nichtaromatischer Kohlenwasserstoffe | |
| DE69002877T2 (de) | Verfahren zur Herstellung von Paraffinsulfonsäuren. | |
| DE2100424B2 (de) | Verfahren zur abtrennung von 2chlor-1,3-butadien | |
| DE1122705B (de) | Verfahren zur Entaschung von Polyolefinen | |
| DE2747762A1 (de) | Verfahren zur kontinuierlichen epoxidation von alkenen und deren derivaten | |
| DE2331082C3 (de) | Verfahren zur kontinuierlichen Oxydation von substituierten Benzolen oder Benzolderivaten mit Salpetersäure | |
| EP0012972B1 (de) | Verfahren zur Herstellung von Percarbonsäurelösungen | |
| DE2440746A1 (de) | Verfahren und vorrichtung zur kontinuierlichen dehydratisierung von maleinsaeure zu maleinsaeureanhydrid | |
| DE4212086C2 (de) | Verfahren zur kontinuierlichen Herstellung von C¶1¶¶0¶-C¶2¶¶2¶-Alkan-alkalisulfonaten | |
| CH653985A5 (de) | Verfahren zur herstellung von nitromethan. | |
| DE809812C (de) | Verfahren zur Herstellung chlorierter Kohlenwasserstoffe | |
| DE1813673C3 (de) | Verfahren zur destillativen Reinigung von Aceton | |
| DE711822C (de) | Trennungsverfahren | |
| DE1082893B (de) | Verfahren zur Chloralkylierung aromatischer Verbindungen | |
| DE2838880B2 (de) | Verfahren zur Gewinnung von Methacrolein | |
| DE425789C (de) | Verfahren zur Darstellung von Bornyloxalat | |
| DE1568177C3 (de) | Verfahren zur kontinuierlichen Herstellung von alpha-Acetyl-alphachlor-gamma-butyrolacton | |
| DE1768320A1 (de) | Verfahren zur Umlagerung von Cyclohexanonperoxyden | |
| DE1520041B2 (de) | Verfahren zur reinigung von polyolefinen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DI |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |