IT1213401B - Procedimento di purificazione della diamide dell'acido ossalico. - Google Patents

Procedimento di purificazione della diamide dell'acido ossalico.

Info

Publication number
IT1213401B
IT1213401B IT8622638A IT2263886A IT1213401B IT 1213401 B IT1213401 B IT 1213401B IT 8622638 A IT8622638 A IT 8622638A IT 2263886 A IT2263886 A IT 2263886A IT 1213401 B IT1213401 B IT 1213401B
Authority
IT
Italy
Prior art keywords
diamide
oxalic acid
purification process
range
purification
Prior art date
Application number
IT8622638A
Other languages
English (en)
Other versions
IT8622638A0 (it
Inventor
Lorenzo Lorenzoni
Giuseppe Messina
Vittorio Bruzzi
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
Publication of IT8622638A0 publication Critical patent/IT8622638A0/it
Priority to IT8622638A priority Critical patent/IT1213401B/it
Priority to ES198787202424T priority patent/ES2028056T3/es
Priority to DE8787202424T priority patent/DE3773860D1/de
Priority to AT87202424T priority patent/ATE68475T1/de
Priority to EP87202424A priority patent/EP0271161B1/en
Priority to US07/129,843 priority patent/US5047587A/en
Priority to JP62311136A priority patent/JPH0788340B2/ja
Application granted granted Critical
Publication of IT1213401B publication Critical patent/IT1213401B/it
Priority to US07/727,578 priority patent/US5157152A/en
Priority to GR91401626T priority patent/GR3003018T3/el

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)
IT8622638A 1986-12-11 1986-12-11 Procedimento di purificazione della diamide dell'acido ossalico. IT1213401B (it)

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.
EP87202424A EP0271161B1 (en) 1986-12-11 1987-12-07 Process for purifying oxalic acid diamide
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.
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 IT8622638A0 (it) 1986-12-11
IT1213401B true 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)

* 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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GR3003018T3 (en) 1993-02-17
DE3773860D1 (de) 1991-11-21
ATE68475T1 (de) 1991-11-15
JPS63179852A (ja) 1988-07-23
EP0271161A3 (en) 1989-04-12
JPH0788340B2 (ja) 1995-09-27
EP0271161B1 (en) 1991-10-16
IT8622638A0 (it) 1986-12-11
US5047587A (en) 1991-09-10
ES2028056T3 (es) 1992-07-01
EP0271161A2 (en) 1988-06-15

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961217