DE102004049339A1 - Verfahren zur Reinigung von phosphorhaltigen Chelat-Liganden - Google Patents
Verfahren zur Reinigung von phosphorhaltigen Chelat-Liganden Download PDFInfo
- Publication number
- DE102004049339A1 DE102004049339A1 DE102004049339A DE102004049339A DE102004049339A1 DE 102004049339 A1 DE102004049339 A1 DE 102004049339A1 DE 102004049339 A DE102004049339 A DE 102004049339A DE 102004049339 A DE102004049339 A DE 102004049339A DE 102004049339 A1 DE102004049339 A1 DE 102004049339A1
- Authority
- DE
- Germany
- Prior art keywords
- phosphorus
- chelate ligands
- purification
- containing chelate
- extraction
- 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.)
- Withdrawn
Links
- 239000003446 ligand Substances 0.000 title claims abstract description 47
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000013522 chelant Substances 0.000 title claims abstract description 26
- 239000011574 phosphorus Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000746 purification Methods 0.000 title claims description 16
- 238000000605 extraction Methods 0.000 claims abstract description 36
- 238000005191 phase separation Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- -1 amine hydrochloride Chemical class 0.000 claims description 11
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 10
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 8
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 claims description 7
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 6
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 6
- FPPLREPCQJZDAQ-UHFFFAOYSA-N 2-methylpentanedinitrile Chemical compound N#CC(C)CCC#N FPPLREPCQJZDAQ-UHFFFAOYSA-N 0.000 claims description 5
- 125000005538 phosphinite group Chemical group 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 3
- QFIJGEIKVGDVHA-UHFFFAOYSA-N PO.P(O)(O)O Chemical class PO.P(O)(O)O QFIJGEIKVGDVHA-UHFFFAOYSA-N 0.000 claims description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 2
- BONASJKBJAQWML-UHFFFAOYSA-N OPO.OP(O)O Chemical class OPO.OP(O)O BONASJKBJAQWML-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 17
- 150000003254 radicals Chemical class 0.000 description 11
- UVKXJAUUKPDDNW-NSCUHMNNSA-N (e)-pent-3-enenitrile Chemical compound C\C=C\CC#N UVKXJAUUKPDDNW-NSCUHMNNSA-N 0.000 description 8
- CFEYBLWMNFZOPB-UHFFFAOYSA-N Allylacetonitrile Natural products C=CCCC#N CFEYBLWMNFZOPB-UHFFFAOYSA-N 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 4
- 238000005669 hydrocyanation reaction Methods 0.000 description 4
- 125000004437 phosphorous atom Chemical group 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical group OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- YZPNFYQRPJKWFJ-UHFFFAOYSA-N 2-methyl-1h-imidazol-1-ium;chloride Chemical compound Cl.CC1=NC=CN1 YZPNFYQRPJKWFJ-UHFFFAOYSA-N 0.000 description 2
- 238000004679 31P NMR spectroscopy Methods 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 150000005840 aryl radicals Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 125000005265 dialkylamine group Chemical group 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 239000012454 non-polar solvent Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- WBAXCOMEMKANRN-UHFFFAOYSA-N 2-methylbut-3-enenitrile Chemical compound C=CC(C)C#N WBAXCOMEMKANRN-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 239000012045 crude solution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007172 homogeneous catalysis Methods 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/025—Purification; Separation; Stabilisation; Desodorisation of organo-phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/141—Esters of phosphorous acids
- C07F9/145—Esters of phosphorous acids with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004049339A DE102004049339A1 (de) | 2004-10-08 | 2004-10-08 | Verfahren zur Reinigung von phosphorhaltigen Chelat-Liganden |
| JP2007535066A JP2008515831A (ja) | 2004-10-08 | 2005-09-30 | リン含有キレート配位子の精製 |
| US11/576,575 US20080076944A1 (en) | 2004-10-08 | 2005-09-30 | Purification of Phosphorus Chelate Ligands |
| CN2005800341236A CN101035799B (zh) | 2004-10-08 | 2005-09-30 | 提纯含磷螯合配体的方法 |
| AT05796041T ATE549344T1 (de) | 2004-10-08 | 2005-09-30 | Verfahren zur reinigung von phosphorhaltigen chelat-liganden |
| EP05796041A EP1799697B1 (de) | 2004-10-08 | 2005-09-30 | Verfahren zur reinigung von phosphorhaltigen chelat-liganden |
| KR1020077010332A KR20070060157A (ko) | 2004-10-08 | 2005-09-30 | 인 함유 킬레이트 리간드의 정제 방법 |
| PCT/EP2005/010561 WO2006040023A1 (de) | 2004-10-08 | 2005-09-30 | Verfahren zur reinigung von phosphorhaltigen chelat-liganden |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004049339A DE102004049339A1 (de) | 2004-10-08 | 2004-10-08 | Verfahren zur Reinigung von phosphorhaltigen Chelat-Liganden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102004049339A1 true DE102004049339A1 (de) | 2006-04-13 |
Family
ID=35431947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102004049339A Withdrawn DE102004049339A1 (de) | 2004-10-08 | 2004-10-08 | Verfahren zur Reinigung von phosphorhaltigen Chelat-Liganden |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20080076944A1 (https=) |
| EP (1) | EP1799697B1 (https=) |
| JP (1) | JP2008515831A (https=) |
| KR (1) | KR20070060157A (https=) |
| CN (1) | CN101035799B (https=) |
| AT (1) | ATE549344T1 (https=) |
| DE (1) | DE102004049339A1 (https=) |
| WO (1) | WO2006040023A1 (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014201756A1 (de) | 2014-01-31 | 2015-08-06 | Evonik Degussa Gmbh | Reinigung chlorverschmutzter Organophosphorverbindungen |
| DE102014202500A1 (de) | 2014-02-12 | 2015-08-13 | Evonik Degussa Gmbh | Verfahren zur Reduzierung des Chlorgehalts von Organobisphosphiten |
| EP3147291A1 (de) | 2015-09-28 | 2017-03-29 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
| EP3176174A1 (de) | 2015-12-03 | 2017-06-07 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
| US9751904B2 (en) | 2014-05-20 | 2017-09-05 | Evonik Degussa Gmbh | Method for reducing the chlorine content of organomonophosphites using dimethylaminobutane, triethylamine or triethanolamine |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2850966B1 (fr) | 2003-02-10 | 2005-03-18 | Rhodia Polyamide Intermediates | Procede de fabrication de composes dinitriles |
| FR2854891B1 (fr) | 2003-05-12 | 2006-07-07 | Rhodia Polyamide Intermediates | Procede de preparation de dinitriles |
| ES2532982T3 (es) | 2005-10-18 | 2015-04-06 | Invista Technologies S.À.R.L. | Proceso de preparación de 3-aminopentanonitrilo |
| WO2007109005A2 (en) * | 2006-03-17 | 2007-09-27 | Invista Technologies S.A R.L. | Method for the purification of triorganophosphites by treatment with a basic additive |
| US7880028B2 (en) | 2006-07-14 | 2011-02-01 | Invista North America S.A R.L. | Process for making 3-pentenenitrile by hydrocyanation of butadiene |
| US7919646B2 (en) | 2006-07-14 | 2011-04-05 | Invista North America S.A R.L. | Hydrocyanation of 2-pentenenitrile |
| EP2146930A2 (en) | 2007-05-14 | 2010-01-27 | INVISTA Technologies S.à.r.l. | High efficiency reactor and process |
| WO2008157218A1 (en) | 2007-06-13 | 2008-12-24 | Invista Technologies S.A.R.L. | Process for improving adiponitrile quality |
| CN101918356B (zh) | 2008-01-15 | 2013-09-25 | 因温斯特技术公司 | 戊烯腈的氢氰化 |
| WO2009091771A2 (en) | 2008-01-15 | 2009-07-23 | Invista Technologies S.A R.L | Process for making and refining 3-pentenenitrile, and for refining 2-methyl-3-butenenitrile |
| US20090240068A1 (en) * | 2008-03-19 | 2009-09-24 | Invista North America S.A.R.L. | Methods of making cyclododecatriene and methods of making laurolactone |
| US8247621B2 (en) | 2008-10-14 | 2012-08-21 | Invista North America S.A.R.L. | Process for making 2-secondary-alkyl-4,5-di-(normal-alkyl)phenols |
| CN102471218B (zh) | 2009-08-07 | 2014-11-05 | 因温斯特技术公司 | 用于形成二酯的氢化并酯化 |
| ES2542430T3 (es) | 2010-07-07 | 2015-08-05 | Invista Technologies S.À.R.L. | Proceso para hacer nitrilos |
| JP2015512862A (ja) | 2011-12-21 | 2015-04-30 | インヴィスタ テクノロジーズ エスアエルエル | 安定なエマルジョンを減じるための抽出溶媒制御 |
| US9133223B2 (en) | 2011-12-21 | 2015-09-15 | Invista North America S.A.R.L. | Extraction solvent control for reducing stable emulsions |
| EP2794047B1 (en) | 2011-12-21 | 2021-04-14 | INVISTA Textiles (U.K.) Limited | Extraction solvent control for reducing stable emulsions |
| US11028045B2 (en) | 2016-05-02 | 2021-06-08 | Inv Nylon Chemicals Americas, Llc | Process for reducing CPI in a dinitrile stream |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3332068A1 (de) * | 1983-09-06 | 1985-03-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von nukleosidalkyl-, aralkyl- und arylphosphoniten und -phosphonaten |
| US5166330A (en) * | 1983-09-06 | 1992-11-24 | Hoechst Aktiengesellschaft | Process for the preparation of nucleoside alkyl-aralkyl- and aryl-phosphonites and -phosphonates |
| US5663403A (en) * | 1995-01-24 | 1997-09-02 | Mitsubishi Chemical Corporation | Bisphosphite compound and method for producing aldehydes |
| US5523453A (en) * | 1995-03-22 | 1996-06-04 | E. I. Du Pont De Nemours And Company | Process for hydrocyanation |
| AU724620B2 (en) | 1996-01-16 | 2000-09-28 | Sokol, Ronald J Dr. | Use of antioxidant agents to treat cholestatic liver disease |
| FR2760457B1 (fr) * | 1997-03-04 | 1999-04-23 | Rhodia Chimie Sa | Nouvelles diphosphines de 6,6'-bis-(1-phosphanorbornadiene), leur preparation et leurs applications |
| US6069267A (en) | 1997-07-29 | 2000-05-30 | E. I. Du Pont De Nemours And Company | Selective synthesis of organodiphosphite compounds |
| DE10156292A1 (de) | 2001-11-19 | 2003-05-28 | Basf Ag | Verfahren zur Herstellung von Organodiphosphoniten |
| AR038161A1 (es) | 2002-01-24 | 2004-12-29 | Basf Ag | Procedimiento para separar acidos de mezclas de reaccion quimicas con la ayuda de liquidos ionicos |
| DE10230222A1 (de) | 2002-07-04 | 2004-01-22 | Basf Ag | Verfahren zur Abtrennung von Säuren aus chemischen Reaktionsgemischen mit Hilfe von Ionischen Flüssigkeiten |
| DE60319725T2 (de) * | 2002-10-15 | 2009-01-29 | Dow Technology Investments LLC, Midland | Bischelatligand und seine verwendung in carbonylierungs-verfahren |
| US6844289B2 (en) * | 2003-04-08 | 2005-01-18 | Invista North America S.A.R.L. | Process for the preparation of a nickel/phosphorous ligand catalyst |
-
2004
- 2004-10-08 DE DE102004049339A patent/DE102004049339A1/de not_active Withdrawn
-
2005
- 2005-09-30 KR KR1020077010332A patent/KR20070060157A/ko not_active Ceased
- 2005-09-30 EP EP05796041A patent/EP1799697B1/de not_active Revoked
- 2005-09-30 JP JP2007535066A patent/JP2008515831A/ja active Pending
- 2005-09-30 CN CN2005800341236A patent/CN101035799B/zh not_active Expired - Fee Related
- 2005-09-30 US US11/576,575 patent/US20080076944A1/en not_active Abandoned
- 2005-09-30 WO PCT/EP2005/010561 patent/WO2006040023A1/de not_active Ceased
- 2005-09-30 AT AT05796041T patent/ATE549344T1/de active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014201756A1 (de) | 2014-01-31 | 2015-08-06 | Evonik Degussa Gmbh | Reinigung chlorverschmutzter Organophosphorverbindungen |
| US9676805B2 (en) | 2014-01-31 | 2017-06-13 | Evonik Degussa Gmbh | Purifying organophosphorus compounds contaminated with chlorine |
| DE102014202500A1 (de) | 2014-02-12 | 2015-08-13 | Evonik Degussa Gmbh | Verfahren zur Reduzierung des Chlorgehalts von Organobisphosphiten |
| US9650401B2 (en) | 2014-02-12 | 2017-05-16 | Evonik Degussa Gmbh | Method for reducing the chlorine content of organobisphosphites |
| US9751904B2 (en) | 2014-05-20 | 2017-09-05 | Evonik Degussa Gmbh | Method for reducing the chlorine content of organomonophosphites using dimethylaminobutane, triethylamine or triethanolamine |
| US9840524B2 (en) | 2014-05-20 | 2017-12-12 | Evonik Degussa Gmbh | Process for reducing the chlorine content of organomonophosphites using two solutions |
| EP3147291A1 (de) | 2015-09-28 | 2017-03-29 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
| US9701697B2 (en) | 2015-09-28 | 2017-07-11 | Evonik Degussa Gmbh | Process for reducing the chlorine content of organotetraphosphites |
| EP3176174A1 (de) | 2015-12-03 | 2017-06-07 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
| US10011619B2 (en) | 2015-12-03 | 2018-07-03 | Evonik Degussa Gmbh | Process for reducing the chlorine content of organotetraphosphites |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080076944A1 (en) | 2008-03-27 |
| WO2006040023A1 (de) | 2006-04-20 |
| CN101035799B (zh) | 2012-03-21 |
| CN101035799A (zh) | 2007-09-12 |
| JP2008515831A (ja) | 2008-05-15 |
| ATE549344T1 (de) | 2012-03-15 |
| KR20070060157A (ko) | 2007-06-12 |
| EP1799697A1 (de) | 2007-06-27 |
| EP1799697B1 (de) | 2012-03-14 |
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