DE3765169D1 - Verfahren zur reinigung von oxalsaeurediamid. - Google Patents

Verfahren zur reinigung von oxalsaeurediamid.

Info

Publication number
DE3765169D1
DE3765169D1 DE8787104676T DE3765169T DE3765169D1 DE 3765169 D1 DE3765169 D1 DE 3765169D1 DE 8787104676 T DE8787104676 T DE 8787104676T DE 3765169 T DE3765169 T DE 3765169T DE 3765169 D1 DE3765169 D1 DE 3765169D1
Authority
DE
Germany
Prior art keywords
copper
oxamide
aqueous solution
oxalsaeurediamid
purifying
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.)
Expired - Fee Related
Application number
DE8787104676T
Other languages
English (en)
Inventor
Loreno Lorenzoni
Nino Dessantis
Angelo Virdis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enichem Anic SpA
Original Assignee
Enichem Anic SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Enichem Anic SpA filed Critical Enichem Anic SpA
Application granted granted Critical
Publication of DE3765169D1 publication Critical patent/DE3765169D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8787104676T 1986-04-17 1987-03-30 Verfahren zur reinigung von oxalsaeurediamid. Expired - Fee Related DE3765169D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20122/86A IT1190318B (it) 1986-04-17 1986-04-17 Procedimento di purificazione della diamide dell'acido ossalico

Publications (1)

Publication Number Publication Date
DE3765169D1 true DE3765169D1 (de) 1990-10-31

Family

ID=11163986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787104676T Expired - Fee Related DE3765169D1 (de) 1986-04-17 1987-03-30 Verfahren zur reinigung von oxalsaeurediamid.

Country Status (8)

Country Link
US (1) US5068429A (de)
EP (1) EP0245632B1 (de)
JP (1) JPH07108888B2 (de)
AT (1) ATE56947T1 (de)
DE (1) DE3765169D1 (de)
ES (1) ES2018795B3 (de)
GR (1) GR3000997T3 (de)
IT (1) IT1190318B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
US11230241B2 (en) 2013-04-10 2022-01-25 Holt Sales and Service, Inc. Quick release grill guard and associated systems and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776957A (en) * 1972-05-15 1973-12-04 Nalco Chemical Co Method for removing copper from aqueous solutions of acrylamide
US3838102A (en) * 1972-12-29 1974-09-24 Gen Electric Removal of metallic catalyst residue from polyphenylene ethers
DE2403120C2 (de) * 1974-01-23 1982-08-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Oxamid
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

Also Published As

Publication number Publication date
EP0245632B1 (de) 1990-09-26
GR3000997T3 (en) 1991-12-10
EP0245632A3 (en) 1988-05-25
IT1190318B (it) 1988-02-16
US5068429A (en) 1991-11-26
JPH07108888B2 (ja) 1995-11-22
EP0245632A2 (de) 1987-11-19
IT8620122A1 (it) 1987-10-17
IT8620122A0 (it) 1986-04-17
ES2018795B3 (es) 1991-05-16
JPS62249957A (ja) 1987-10-30
ATE56947T1 (de) 1990-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee