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
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 AT AT87202424T patent/ATE68475T1/de active
- 1987-12-07 EP EP87202424A patent/EP0271161B1/de not_active Expired - Lifetime
- 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 |
---|---|
EP0271161B1 (de) | 1991-10-16 |
DE3773860D1 (de) | 1991-11-21 |
IT8622638A0 (it) | 1986-12-11 |
GR3003018T3 (en) | 1993-02-17 |
US5047587A (en) | 1991-09-10 |
EP0271161A3 (en) | 1989-04-12 |
IT1213401B (it) | 1989-12-20 |
ES2028056T3 (es) | 1992-07-01 |
JPH0788340B2 (ja) | 1995-09-27 |
EP0271161A2 (de) | 1988-06-15 |
JPS63179852A (ja) | 1988-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8500718A (pt) | Oxido cerico e processo de obtencao | |
DE69113325D1 (de) | Verbessertes Verfahren zur Herstellung von Salzen der 4-Amino-1-hydroxybutyliden-1,1-bisphosphonsäure. | |
KR860004077A (ko) | 7-할로-7-데옥시린코마이신, 클린다마이신 및 이들의 유사체의 제조방법 | |
ATE66471T1 (de) | Verfahren zur herstellung von retinoylchloriden. | |
ATE68475T1 (de) | Verfahren zur reinigung von oxalsaeurediamid. | |
DE3774024D1 (de) | Chemisches verfahren. | |
ATE36528T1 (de) | Verfahren zur herstellung von lagerstabilen benzothiazolsulfenamiden. | |
ATE24717T1 (de) | Verfahren zur herstellung von 3-picolin. | |
ATE172734T1 (de) | Verfahren zur herstellung von ceftriaxon | |
ATE73756T1 (de) | Verfahren zur reinigung von alpha-substituierten essigsaeuren. | |
DE59002558D1 (de) | Verfahren zur Aufarbeitung von Salzsäure, Schwefelsäure und deren Hydroxylammonium- und Ammoniumsalze enthaltenden wässrigen Mutterlaugen. | |
DE3677749D1 (de) | Verfahren zur herstellung einer waessrigen natriumchloridloesung und verfahren zur erzeugung von natriumbikarbonat. | |
IT8024613A0 (it) | Processo per purificare soluzioni acquose di acrilamide. | |
DE3784166D1 (de) | Verfahren zur konzentration einer waesserigen loesung von aminosaeure. | |
DK640589D0 (da) | Kemisk fremgangsmaade til fremstilling af antibiotikum l 17392 (deglucoteicoplanin) eller salte deraf | |
DE3867158D1 (de) | Verfahren zur reinigung von phosphorsaeure. | |
DE68907747D1 (de) | Verfahren zum entfernen von eisen, chrom und vanadium aus phosphorsaeure. | |
ATE30148T1 (de) | Verfahren zur herstellung von betahydroxipropions|ureamid. | |
DE69401162D1 (de) | Verfahren zur Herstellung von Hydroxyphenylessigsäuren | |
DE3768350D1 (de) | Verfahren zur herstellung von anthracyclin-derivat r2ox2. | |
ATE32T1 (de) | Verfahren zur herstellung von alphahydroxycarbonsaeureamiden | |
ATE35676T1 (de) | Verfahren zur herstellung von harnstoffacrylderivaten. | |
ATE8624T1 (de) | Verfahren zur herstellung von 3-picolin. | |
PT86112A (fr) | Procede de preparation de n-(dichlorophosphoryl)- trichlorophosphazene a partir de pentachloruse de phosphoze et de chlorure d:ammonium | |
WO1995019341A3 (en) | Process for making 5-nitrobarbituric acid and salts thereof |