NL7117869A - - Google Patents

Info

Publication number
NL7117869A
NL7117869A NL7117869A NL7117869A NL7117869A NL 7117869 A NL7117869 A NL 7117869A NL 7117869 A NL7117869 A NL 7117869A NL 7117869 A NL7117869 A NL 7117869A NL 7117869 A NL7117869 A NL 7117869A
Authority
NL
Netherlands
Application number
NL7117869A
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 filed Critical
Publication of NL7117869A publication Critical patent/NL7117869A/xx

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
NL7117869A 1970-12-28 1971-12-27 NL7117869A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45119626A JPS4941413B1 (fr) 1970-12-28 1970-12-28

Publications (1)

Publication Number Publication Date
NL7117869A true NL7117869A (fr) 1972-06-30

Family

ID=14766087

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7117869A NL7117869A (fr) 1970-12-28 1971-12-27

Country Status (7)

Country Link
US (1) US3781332A (fr)
JP (1) JPS4941413B1 (fr)
DE (1) DE2164507A1 (fr)
FR (1) FR2120881A5 (fr)
GB (1) GB1326478A (fr)
IT (1) IT943363B (fr)
NL (1) NL7117869A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534784B2 (fr) * 1972-05-23 1980-09-09
US4040913A (en) * 1975-09-02 1977-08-09 Rohm And Haas Company Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid
IT1084028B (it) * 1977-03-16 1985-05-25 Montedison Spa Procedimento per la separazione di acidi carbossilici insaturi da soluzioni acquose che li contengono
US4142058A (en) * 1977-12-08 1979-02-27 Mitsubishi Rayon Co., Ltd. Method of separating and purifying methacrylic acid
JPS6016927B2 (ja) * 1979-07-19 1985-04-30 三菱レイヨン株式会社 メタクリル酸の抽出分離法
JPS56108735A (en) * 1980-02-01 1981-08-28 Sumitomo Chem Co Ltd Treating method of waste water in preparation of methacrylic acid
JPS5826843A (ja) * 1981-08-11 1983-02-17 Sumitomo Chem Co Ltd アクリル酸エステルまたはメタクリル酸エステルの製造方法
JP4715106B2 (ja) * 2004-04-01 2011-07-06 三菱化学株式会社 （メタ）アクリル酸誘導体の製造方法
JP4995715B2 (ja) * 2005-12-26 2012-08-08 三菱レイヨン株式会社 メタクリル酸の抽出方法
JPWO2020241720A1 (fr) * 2019-05-31 2020-12-03

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539620A (en) * 1966-09-22 1970-11-10 Gulf Research Development Co Process for the production of methyl methacrylate
US3414485A (en) * 1967-05-17 1968-12-03 Escambia Chem Corp Process for drying methacrylic acid by extraction and azeotropic distillation

Also Published As

Publication number Publication date
GB1326478A (en) 1973-08-15
DE2164507A1 (fr) 1972-07-27
FR2120881A5 (fr) 1972-08-18
JPS4941413B1 (fr) 1974-11-08
IT943363B (it) 1973-04-02
US3781332A (en) 1973-12-25

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