IT945991B - Separazione di acidi bicarbossi lici - Google Patents

Separazione di acidi bicarbossi lici

Info

Publication number
IT945991B
IT945991B IT29757/71A IT2975771A IT945991B IT 945991 B IT945991 B IT 945991B IT 29757/71 A IT29757/71 A IT 29757/71A IT 2975771 A IT2975771 A IT 2975771A IT 945991 B IT945991 B IT 945991B
Authority
IT
Italy
Prior art keywords
bicarbox
lyc
acids
separation
lyc acids
Prior art date
Application number
IT29757/71A
Other languages
English (en)
Original Assignee
Du Pont Canada
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 Du Pont Canada filed Critical Du Pont Canada
Application granted granted Critical
Publication of IT945991B publication Critical patent/IT945991B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT29757/71A 1970-10-15 1971-10-11 Separazione di acidi bicarbossi lici IT945991B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA95668 1970-10-15

Publications (1)

Publication Number Publication Date
IT945991B true IT945991B (it) 1973-05-10

Family

ID=4087793

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29757/71A IT945991B (it) 1970-10-15 1971-10-11 Separazione di acidi bicarbossi lici

Country Status (8)

Country Link
US (1) US3818081A (it)
BE (1) BE773931A (it)
CA (1) CA955876A (it)
DE (1) DE2151535A1 (it)
FR (1) FR2111380A5 (it)
GB (1) GB1352738A (it)
IT (1) IT945991B (it)
NL (1) NL7114238A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983208A (en) * 1975-01-27 1976-09-28 Celanese Corporation Recovery of vanadium and copper catalyst metals using ketones
DE3002256A1 (de) * 1980-01-23 1981-07-30 Basf Ag, 6700 Ludwigshafen Verfahren zur abtrennung von adipinsaeure
CA1208239A (en) * 1983-06-07 1986-07-22 Christian Leboeuf Semi-refined mixed dicarboxylic acids
DE4106937A1 (de) * 1991-03-05 1992-09-10 Bayer Ag Verfahren zur rueckgewinnung von adipinsaeure
US5296639A (en) * 1992-12-18 1994-03-22 E. I. Du Pont De Nemours And Company Adipic acid purification
DE4441175A1 (de) 1994-11-18 1996-05-23 Bayer Ag Verfahren zur Gewinnung von Adipinsäure
CN100412048C (zh) * 2002-05-10 2008-08-20 三菱化学株式会社 分解有机酸铵盐的方法
MY137537A (en) * 2002-05-10 2009-02-27 Mitsubishi Chem Corp Method for producing organic acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283991A (en) * 1939-11-25 1942-05-26 American Cyanamid Co Separation of sulphuric acid from carboxylic acids
US2776990A (en) * 1953-01-26 1957-01-08 Du Pont Separation of a dibasic acid from a mixture of mono and dibasic acids
DE954330C (de) * 1953-11-29 1956-12-13 Bayer Ag Verfahren zur Aufarbeitung von Dicarbonsaeuregemischen
US2962527A (en) * 1957-12-24 1960-11-29 Texaco Inc Purification of dibasic acids
NL289024A (it) * 1962-02-19

Also Published As

Publication number Publication date
FR2111380A5 (it) 1972-06-02
US3818081A (en) 1974-06-18
BE773931A (fr) 1972-01-31
GB1352738A (en) 1974-05-08
NL7114238A (it) 1972-04-18
DE2151535A1 (de) 1972-04-20
CA955876A (en) 1974-10-08

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