CA955876A - Separation of dicarboxylic acids - Google Patents

Separation of dicarboxylic acids

Info

Publication number
CA955876A
CA955876A CA095,668A CA955876DA CA955876A CA 955876 A CA955876 A CA 955876A CA 955876D A CA955876D A CA 955876DA CA 955876 A CA955876 A CA 955876A
Authority
CA
Canada
Prior art keywords
separation
dicarboxylic acids
dicarboxylic
acids
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
Application number
CA095,668A
Other languages
English (en)
Inventor
Edward G. Adamek
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
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 DuPont Canada Inc filed Critical DuPont Canada Inc
Application granted granted Critical
Publication of CA955876A publication Critical patent/CA955876A/en
Expired legal-status Critical Current

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)
CA095,668A 1970-10-15 1970-10-15 Separation of dicarboxylic acids Expired CA955876A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA955876A true CA955876A (en) 1974-10-08

Family

ID=4087793

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095,668A Expired CA955876A (en) 1970-10-15 1970-10-15 Separation of dicarboxylic acids

Country Status (8)

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

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
MY137537A (en) * 2002-05-10 2009-02-27 Mitsubishi Chem Corp Method for producing organic acid
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

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 (show.php) * 1962-02-19

Also Published As

Publication number Publication date
DE2151535A1 (de) 1972-04-20
BE773931A (fr) 1972-01-31
FR2111380A5 (show.php) 1972-06-02
US3818081A (en) 1974-06-18
GB1352738A (en) 1974-05-08
IT945991B (it) 1973-05-10
NL7114238A (show.php) 1972-04-18

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