ATE221877T1 - Verfahren zur rückgewinnung von 2,3- pyridindicarbonsäure - Google Patents
Verfahren zur rückgewinnung von 2,3- pyridindicarbonsäureInfo
- Publication number
- ATE221877T1 ATE221877T1 AT99200965T AT99200965T ATE221877T1 AT E221877 T1 ATE221877 T1 AT E221877T1 AT 99200965 T AT99200965 T AT 99200965T AT 99200965 T AT99200965 T AT 99200965T AT E221877 T1 ATE221877 T1 AT E221877T1
- Authority
- AT
- Austria
- Prior art keywords
- pyridine
- dicarboxylic acid
- recovering
- acid
- pyridinecarbonic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1008788A NL1008788C2 (nl) | 1998-04-02 | 1998-04-02 | Werkwijze voor het winnen van een 2,3-pyridinedicarbonzuur. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE221877T1 true ATE221877T1 (de) | 2002-08-15 |
Family
ID=19766881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99200965T ATE221877T1 (de) | 1998-04-02 | 1999-03-29 | Verfahren zur rückgewinnung von 2,3- pyridindicarbonsäure |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6133450A (de) |
| EP (1) | EP0947508B1 (de) |
| JP (1) | JPH11322717A (de) |
| CN (1) | CN1236777A (de) |
| AT (1) | ATE221877T1 (de) |
| CZ (1) | CZ117799A3 (de) |
| DE (1) | DE69902413D1 (de) |
| IN (1) | IN187646B (de) |
| NL (1) | NL1008788C2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7795439B2 (en) * | 2004-06-25 | 2010-09-14 | Basf Aktiengesellschaft | In-situ treatment of pyridine 2,3-dicarboxylic acid esters with an oxidizing agent |
| US20100071836A1 (en) * | 2008-09-19 | 2010-03-25 | Roy Watson | Sealing of Mica Wnidows for Geiger-Muller Tubes |
| US9642897B2 (en) | 2011-09-13 | 2017-05-09 | The University Of Sydney | Treatment of bone diseases |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537971A (en) * | 1981-05-06 | 1985-08-27 | The Hilton-Davis Chemical Co. | Process for preparing quinolinic acid |
| US5028336A (en) * | 1989-03-03 | 1991-07-02 | Texaco Inc. | Separation of water-soluble organic electrolytes |
| US5635071A (en) * | 1995-01-20 | 1997-06-03 | Zenon Airport Enviromental, Inc. | Recovery of carboxylic acids from chemical plant effluents |
| NL1001973C2 (nl) * | 1995-12-21 | 1997-06-24 | Stork Friesland Bv | Semipermeabel composietmembraan. |
-
1998
- 1998-04-02 NL NL1008788A patent/NL1008788C2/nl not_active IP Right Cessation
-
1999
- 1999-03-29 EP EP99200965A patent/EP0947508B1/de not_active Expired - Lifetime
- 1999-03-29 AT AT99200965T patent/ATE221877T1/de not_active IP Right Cessation
- 1999-03-29 DE DE69902413T patent/DE69902413D1/de not_active Expired - Lifetime
- 1999-04-01 CN CN99106247A patent/CN1236777A/zh active Pending
- 1999-04-01 JP JP11094648A patent/JPH11322717A/ja active Pending
- 1999-04-01 IN IN379MA1999 patent/IN187646B/en unknown
- 1999-04-02 CZ CZ991177A patent/CZ117799A3/cs unknown
- 1999-04-02 US US09/283,757 patent/US6133450A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NL1008788C2 (nl) | 1999-10-05 |
| CZ117799A3 (cs) | 1999-10-13 |
| CN1236777A (zh) | 1999-12-01 |
| EP0947508B1 (de) | 2002-08-07 |
| JPH11322717A (ja) | 1999-11-24 |
| DE69902413D1 (de) | 2002-09-12 |
| IN187646B (de) | 2002-06-01 |
| US6133450A (en) | 2000-10-17 |
| EP0947508A1 (de) | 1999-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60009294D1 (de) | Verfahren zum verwerten von süssmolke zur erreichung einer höheren konzentration an (a)-lactalbumin | |
| DE59912723D1 (de) | Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern | |
| ATE276994T1 (de) | Verfahren zur reinigung von milchsäure auf industrieller basis | |
| ATA153487A (de) | Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure | |
| DE68918111T2 (de) | Verfahren zur rückgewinnung von säuren aus sauren und salzhaltigen lösungen. | |
| ATE192414T1 (de) | Verfahren zur herstellung von lösungen aus aluminiumsalzen | |
| DE50213098D1 (de) | Verfahren und Vorrichtung zur Entfernung von Ammonium aus Abwässern und zur Wertstoffgewinnung | |
| ATE143054T1 (de) | Verfahren zum abtrennen von lysine in form von einer wässerigen lösung und verwendung dieser lösung in der tierernährung | |
| ATE162512T1 (de) | Wiedergewinnung von zitronensäure aus unreinen prozessströmen durch zusatz von starken säuren und ihren salze | |
| ATE221877T1 (de) | Verfahren zur rückgewinnung von 2,3- pyridindicarbonsäure | |
| ATE118200T1 (de) | Entfernen von metallen aus wässrigen peroxysäuren oder peroxysalzen. | |
| ATE215531T1 (de) | Verfahren zur verminderung des gehalts an wasser und polaren verunreinigungen in imidoalkanpercarbonsäuren | |
| DE68914869T2 (de) | Verfahren zur stufenweise Oxydation von substituierten 8-Hydroy-chinolinen zu substituierten Pyridin-2,3-dikarbonsäuren. | |
| DE69901036T2 (de) | Verfahren zur aufkonzentrierung von verdünnten schwefelsäurelösungen | |
| DE59103093D1 (de) | Verfahren zur Gewinnung von Carbonsäuren aus ihren wässrigen Lösungen. | |
| DE69525948D1 (de) | Verfahren zur wiedergewinnung von zitronensäure | |
| DE3872686D1 (de) | Verfahren zur rueckgewinnung von rhodium aus rhodiumkomplexverbindungen enthaltenden waessrigen loesungen. | |
| ATE125778T1 (de) | Verfahren zum konzentrieren und reinigen von schwefelsäure. | |
| SU484687A3 (ru) | Способ получени солей 1,1 -дизамещенного 4,4 (или 2,2-)-бипиридили | |
| DE69409776D1 (de) | Verfahren zur Herstellung Pyridin-2,3-dicarboxylicsäure | |
| DE69409396T2 (de) | Verfahren zur reinigung von prozesswasser aus der zellstoffherstellung | |
| ATE175948T1 (de) | Verfahren zur aufbereitung einer, in landwirtschaft- und nahrungsmittelindustrie entstandenen, abfallflüssigkeit | |
| DE3877641T2 (de) | Isolierung von neutralen aminosaeuren bei hohen ph-werten. | |
| TW338007B (en) | Method and apparatus for recovering carboxylic acis from dilute solutions | |
| DE3862212D1 (de) | Pauling-kessel sowie verfahren zum aufkonzentrieren von schwefelsaeure. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |