JPS4862712A - - Google Patents

Info

Publication number
JPS4862712A
JPS4862712A JP9924871A JP9924871A JPS4862712A JP S4862712 A JPS4862712 A JP S4862712A JP 9924871 A JP9924871 A JP 9924871A JP 9924871 A JP9924871 A JP 9924871A JP S4862712 A JPS4862712 A JP S4862712A
Authority
JP
Japan
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.)
Pending
Application number
JP9924871A
Other languages
Japanese (ja)
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
Priority to JP9924871A priority Critical patent/JPS4862712A/ja
Priority to DE19722259501 priority patent/DE2259501A1/de
Priority to FR7243367A priority patent/FR2162486A1/fr
Priority to NL7216556A priority patent/NL7216556A/xx
Publication of JPS4862712A publication Critical patent/JPS4862712A/ja
Pending 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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
    • 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

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)
JP9924871A 1971-12-07 1971-12-07 Pending JPS4862712A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9924871A JPS4862712A (fr) 1971-12-07 1971-12-07
DE19722259501 DE2259501A1 (de) 1971-12-07 1972-12-05 Verfahren zur reinigung von acrylsaeure und methacrylsaeure
FR7243367A FR2162486A1 (en) 1971-12-07 1972-12-06 (meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillation
NL7216556A NL7216556A (fr) 1971-12-07 1972-12-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9924871A JPS4862712A (fr) 1971-12-07 1971-12-07

Publications (1)

Publication Number Publication Date
JPS4862712A true JPS4862712A (fr) 1973-09-01

Family

ID=14242385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9924871A Pending JPS4862712A (fr) 1971-12-07 1971-12-07

Country Status (4)

Country Link
JP (1) JPS4862712A (fr)
DE (1) DE2259501A1 (fr)
FR (1) FR2162486A1 (fr)
NL (1) NL7216556A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000290226A (ja) * 1999-04-05 2000-10-17 Nippon Shokubai Co Ltd 易重合性物質含有物の精製方法およびその装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001385A (nl) * 1979-03-15 1980-09-17 Halcon Res & Dev Werkwijze voor de bereiding van methacrylzuur.
US4599144A (en) * 1984-06-25 1986-07-08 Standard Oil Company (Indiana) Process for recovery of methacrylic acid
DE102014108980A1 (de) * 2014-06-26 2015-12-31 L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren und Anlage zur Aufreinigung von Acrylsäure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000290226A (ja) * 1999-04-05 2000-10-17 Nippon Shokubai Co Ltd 易重合性物質含有物の精製方法およびその装置

Also Published As

Publication number Publication date
DE2259501A1 (de) 1973-06-14
FR2162486A1 (en) 1973-07-20
NL7216556A (fr) 1973-06-12
FR2162486B1 (fr) 1975-10-17

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