IT8622638A0 - Procedimento di purificazione della diamide dell'acido ossalico. - Google Patents
Procedimento di purificazione della diamide dell'acido ossalico.Info
- Publication number
- IT8622638A0 IT8622638A0 IT8622638A IT2263886A IT8622638A0 IT 8622638 A0 IT8622638 A0 IT 8622638A0 IT 8622638 A IT8622638 A IT 8622638A IT 2263886 A IT2263886 A IT 2263886A IT 8622638 A0 IT8622638 A0 IT 8622638A0
- Authority
- IT
- Italy
- Prior art keywords
- purification
- oxalic acid
- acid diamide
- diamide
- oxalic
- Prior art date
Links
- YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical compound NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 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)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8622638A IT1213401B (it) | 1986-12-11 | 1986-12-11 | Procedimento di purificazione della diamide dell'acido ossalico. |
DE8787202424T DE3773860D1 (de) | 1986-12-11 | 1987-12-07 | Verfahren zur reinigung von oxalsaeurediamid. |
AT87202424T ATE68475T1 (de) | 1986-12-11 | 1987-12-07 | Verfahren zur reinigung von oxalsaeurediamid. |
EP87202424A EP0271161B1 (en) | 1986-12-11 | 1987-12-07 | Process for purifying oxalic acid diamide |
ES198787202424T ES2028056T3 (es) | 1986-12-11 | 1987-12-07 | Procedimiento para la purificacion de diamida de acido oxalico. |
US07/129,843 US5047587A (en) | 1986-12-11 | 1987-12-08 | Process for purifying oxalic acid diamide |
JP62311136A JPH0788340B2 (ja) | 1986-12-11 | 1987-12-10 | 銅の除去法 |
US07/727,578 US5157152A (en) | 1986-12-11 | 1991-07-09 | Process for the oxidation of a tetrahydrophthalic acid |
GR91401626T GR3003018T3 (en) | 1986-12-11 | 1991-10-24 | Process for purifying oxalic acid diamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8622638A IT1213401B (it) | 1986-12-11 | 1986-12-11 | Procedimento di purificazione della diamide dell'acido ossalico. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8622638A0 true IT8622638A0 (it) | 1986-12-11 |
IT1213401B IT1213401B (it) | 1989-12-20 |
Family
ID=11198713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8622638A IT1213401B (it) | 1986-12-11 | 1986-12-11 | Procedimento di purificazione della diamide dell'acido ossalico. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5047587A (it) |
EP (1) | EP0271161B1 (it) |
JP (1) | JPH0788340B2 (it) |
AT (1) | ATE68475T1 (it) |
DE (1) | DE3773860D1 (it) |
ES (1) | ES2028056T3 (it) |
GR (1) | GR3003018T3 (it) |
IT (1) | IT1213401B (it) |
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 (it) * | 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/en 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 |
---|---|
US5047587A (en) | 1991-09-10 |
EP0271161A3 (en) | 1989-04-12 |
IT1213401B (it) | 1989-12-20 |
JPH0788340B2 (ja) | 1995-09-27 |
EP0271161B1 (en) | 1991-10-16 |
GR3003018T3 (en) | 1993-02-17 |
ATE68475T1 (de) | 1991-11-15 |
DE3773860D1 (de) | 1991-11-21 |
JPS63179852A (ja) | 1988-07-23 |
ES2028056T3 (es) | 1992-07-01 |
EP0271161A2 (en) | 1988-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1226905B (it) | Composti dell'acido solfonammidotienilcarbossilico | |
IT8320723A0 (it) | Composto dell'acido fosfinilmetilamminocarbonilimminico. | |
IT8620757A1 (it) | Processo per la rimozione selettiva di acido solfidrico | |
BR8601229A (pt) | Processo de preparacao de poliisocianatos poliisocianuratos por ciclotrimerisacao catalitica de poliisocianatos | |
IT8423264A0 (it) | Nuovo processo per la preparazione dell'acido 2(4-fluorofenil)alfa-metil-5-benzoxazoloacetico. | |
IT8521215A0 (it) | Processo per la preparazione dell'acido cis-5-fluoro-2-metil-1-(4-metiltiobenziliden)-indenil-3-acetico. | |
BR8707666A (pt) | Processo catalisado com acido | |
IT1197330B (it) | Procedimento per la sintesi di acido tauroursodesossicolico biidrato | |
FI882867A0 (fi) | Menetelmä metallipitoisten liuosten puhdistamiseksi | |
IT1201435B (it) | Procedimento per la produzione di alchil trifluracetati | |
RO92932A (ro) | Procedeu ciclic pentru obtinerea unei solutii alcaline de carbamat deceluloza | |
IT8621465A1 (it) | Processo per la trans-alogenazione catalitica di un poli-iodo-benzene | |
IT8622638A0 (it) | Procedimento di purificazione della diamide dell'acido ossalico. | |
RO85386A (ro) | Procedeu pentru purificarea unor derivati de acizi fenoxibenzoici | |
FR2570073B1 (fr) | Procede de preparation d'acide 2,6-naphtalene-dicarboxylique | |
IT8620122A0 (it) | Nuovo procedimento di purificazione della diamide dell'acido ossalico. | |
IT1188938B (it) | Procedimento per la puricazione di acido ursodesossicolico | |
IT1076043B (it) | Processo di purificazione dell'acido adipico | |
IT1154548B (it) | Processo per la preparazione di miscele catalitiche | |
IT1153750B (it) | Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-acetico | |
FR2605634B1 (fr) | Procede d'hydrolyse d'organodichlorosilanes | |
IT1151731B (it) | Processo per la preparazione dell'acido 3-carbossi-1,4-dimetilpirrol-2-acetico | |
IT8522282A0 (it) | Procedimento migliorato per la sintesi di acido tioglicolico | |
IT8423360A1 (it) | Procedimento di preparazione dell'acido 3-idrossi-3-metil-glutarico | |
IT8319791A0 (it) | Procedimento di purificazione dell'acido 6-metossi-alfa-metil-2-naftalena-ce tico. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961217 |