NL7307228A - - Google Patents

Info

Publication number
NL7307228A
NL7307228A NL7307228A NL7307228A NL7307228A NL 7307228 A NL7307228 A NL 7307228A NL 7307228 A NL7307228 A NL 7307228A NL 7307228 A NL7307228 A NL 7307228A NL 7307228 A NL7307228 A NL 7307228A
Authority
NL
Netherlands
Application number
NL7307228A
Other versions
NL171050C (nl
NL171050B (nl
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 NL7307228A publication Critical patent/NL7307228A/xx
Publication of NL171050B publication Critical patent/NL171050B/xx
Application granted granted Critical
Publication of NL171050C publication Critical patent/NL171050C/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0492—Applications, solvents used
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7307228,A 1972-05-23 1973-05-23 Werkwijze voor het extraheren van acrylzuur en/of methacrylzuur uit waterige oplossingen. NL171050C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5139672A JPS5534784B2 (cs) 1972-05-23 1972-05-23

Publications (3)

Publication Number Publication Date
NL7307228A true NL7307228A (cs) 1973-11-27
NL171050B NL171050B (nl) 1982-09-01
NL171050C NL171050C (nl) 1983-02-01

Family

ID=12885768

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7307228,A NL171050C (nl) 1972-05-23 1973-05-23 Werkwijze voor het extraheren van acrylzuur en/of methacrylzuur uit waterige oplossingen.

Country Status (6)

Country Link
US (1) US3968153A (cs)
JP (1) JPS5534784B2 (cs)
DE (1) DE2326328C3 (cs)
FR (1) FR2185606B1 (cs)
GB (1) GB1413589A (cs)
NL (1) NL171050C (cs)

Families Citing this family (7)

* 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.
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
US6737546B2 (en) * 2001-11-13 2004-05-18 Lurgi Ag Extraction process for recovery of acrylic acid
US20030150705A1 (en) * 2002-01-08 2003-08-14 Deshpande Sanjeev D. Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
GB0403592D0 (en) 2004-02-18 2004-03-24 Lucite Int Uk Ltd A catalyst system
EA026117B1 (ru) 2011-02-09 2017-03-31 ЛУСАЙТ ИНТЕРНЭШНЛ ЮКей ЛИМИТЕД Способ получения (мет)акриловой кислоты (варианты) и способы получения ее (со)полимеров
SG11201610885SA (en) * 2014-07-07 2017-01-27 Dow Global Technologies Llc Extractive dehydration process

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386365A (en) * 1941-02-28 1945-10-09 Distillers Co Yeast Ltd Manufacture of polymerizable unsaturated acids
US2922815A (en) * 1956-03-22 1960-01-26 Solvay Werke Gmbh Concentration of aqueous acrylic acid
US3337740A (en) * 1962-02-13 1967-08-22 Deering Milliken Res Corp Process for separating acrylic acid from impurities
US3433831A (en) * 1965-06-30 1969-03-18 Asahi Chemical Ind Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system
US3478093A (en) * 1966-02-19 1969-11-11 Basf Ag Separation of methacrylic acid and acrylic acid
US3414485A (en) * 1967-05-17 1968-12-03 Escambia Chem Corp Process for drying methacrylic acid by extraction and azeotropic distillation
DE1805758C3 (de) * 1968-10-29 1974-07-18 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsäure
DE1965014A1 (de) * 1969-12-27 1971-07-01 Knapsack Ag Verfahren zur Abtrennung von Acrylsaeure aus waessriger Rohacrylsaeure
JPS4924898B1 (cs) * 1970-12-26 1974-06-26
JPS4941413B1 (cs) * 1970-12-28 1974-11-08

Also Published As

Publication number Publication date
DE2326328B2 (de) 1978-06-29
DE2326328C3 (de) 1979-02-22
JPS5534784B2 (cs) 1980-09-09
FR2185606B1 (cs) 1976-11-12
NL171050C (nl) 1983-02-01
US3968153A (en) 1976-07-06
JPS495915A (cs) 1974-01-19
NL171050B (nl) 1982-09-01
DE2326328A1 (de) 1973-12-06
FR2185606A1 (cs) 1974-01-04
GB1413589A (en) 1975-11-12

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent