ATE68475T1 - Verfahren zur reinigung von oxalsaeurediamid. - Google Patents
Verfahren zur reinigung von oxalsaeurediamid.Info
- Publication number
- ATE68475T1 ATE68475T1 AT87202424T AT87202424T ATE68475T1 AT E68475 T1 ATE68475 T1 AT E68475T1 AT 87202424 T AT87202424 T AT 87202424T AT 87202424 T AT87202424 T AT 87202424T AT E68475 T1 ATE68475 T1 AT E68475T1
- Authority
- AT
- Austria
- Prior art keywords
- purification
- oxalic acid
- acid diamide
- range
- diamide
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title abstract 2
- YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical compound NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Removal Of Specific Substances (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8622638A IT1213401B (it) | 1986-12-11 | 1986-12-11 | Procedimento di purificazione della diamide dell'acido ossalico. |
| EP87202424A EP0271161B1 (de) | 1986-12-11 | 1987-12-07 | Verfahren zur Reinigung von Oxalsäurediamid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE68475T1 true ATE68475T1 (de) | 1991-11-15 |
Family
ID=11198713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87202424T ATE68475T1 (de) | 1986-12-11 | 1987-12-07 | Verfahren zur reinigung von oxalsaeurediamid. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5047587A (de) |
| EP (1) | EP0271161B1 (de) |
| JP (1) | JPH0788340B2 (de) |
| AT (1) | ATE68475T1 (de) |
| DE (1) | DE3773860D1 (de) |
| ES (1) | ES2028056T3 (de) |
| GR (1) | GR3003018T3 (de) |
| IT (1) | IT1213401B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3618816A1 (de) * | 1986-06-04 | 1987-12-10 | Hoechst Ag | Verfahren zur verringerung des kupfersalzgehalts in oxamid |
| JP4356869B2 (ja) * | 2002-03-27 | 2009-11-04 | 株式会社神戸製鋼所 | 銅合金中の晶・析出物の抽出分離方法およびこれに用いる抽出分離用液 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH348399A (fr) * | 1955-08-25 | 1960-08-31 | American Cyanamid Co | Procédé pour la préparation d'acrylamide pratiquement exempte de fer |
| US3776957A (en) * | 1972-05-15 | 1973-12-04 | Nalco Chemical Co | Method for removing copper from aqueous solutions of acrylamide |
| IL44209A (en) * | 1973-02-23 | 1977-03-31 | Hoechst Ag | Process for the preparation of oxamide |
| DE2423538A1 (de) * | 1974-05-15 | 1975-11-27 | Hoechst Ag | Verfahren zur herstellung von oxamid |
| DE2427269C2 (de) * | 1974-06-06 | 1982-12-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Oxamid |
| JPS5721187B2 (de) * | 1974-09-06 | 1982-05-06 | ||
| JPS5936647A (ja) * | 1982-08-24 | 1984-02-28 | Asahi Chem Ind Co Ltd | オキサミドを製造する方法 |
| JPS5939858A (ja) * | 1982-08-27 | 1984-03-05 | Asahi Chem Ind Co Ltd | オキサミドの製法 |
| DE3618816A1 (de) * | 1986-06-04 | 1987-12-10 | Hoechst Ag | Verfahren zur verringerung des kupfersalzgehalts in oxamid |
-
1986
- 1986-12-11 IT IT8622638A patent/IT1213401B/it active
-
1987
- 1987-12-07 DE DE8787202424T patent/DE3773860D1/de not_active Expired - Fee Related
- 1987-12-07 ES ES198787202424T patent/ES2028056T3/es not_active Expired - Lifetime
- 1987-12-07 EP EP87202424A patent/EP0271161B1/de not_active Expired - Lifetime
- 1987-12-07 AT AT87202424T patent/ATE68475T1/de active
- 1987-12-08 US US07/129,843 patent/US5047587A/en not_active Expired - Fee Related
- 1987-12-10 JP JP62311136A patent/JPH0788340B2/ja not_active Expired - Lifetime
-
1991
- 1991-10-24 GR GR91401626T patent/GR3003018T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2028056T3 (es) | 1992-07-01 |
| US5047587A (en) | 1991-09-10 |
| EP0271161B1 (de) | 1991-10-16 |
| IT8622638A0 (it) | 1986-12-11 |
| JPS63179852A (ja) | 1988-07-23 |
| EP0271161A2 (de) | 1988-06-15 |
| JPH0788340B2 (ja) | 1995-09-27 |
| GR3003018T3 (en) | 1993-02-17 |
| DE3773860D1 (de) | 1991-11-21 |
| IT1213401B (it) | 1989-12-20 |
| EP0271161A3 (en) | 1989-04-12 |
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