GB1167793A - Separation of Methacrylic Acid and Acrylic Acid - Google Patents

Separation of Methacrylic Acid and Acrylic Acid

Info

Publication number
GB1167793A
GB1167793A GB768867A GB768867A GB1167793A GB 1167793 A GB1167793 A GB 1167793A GB 768867 A GB768867 A GB 768867A GB 768867 A GB768867 A GB 768867A GB 1167793 A GB1167793 A GB 1167793A
Authority
GB
United Kingdom
Prior art keywords
extraction
acrylic
separation
acid
feb
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
GB768867A
Other languages
English (en)
Inventor
Helmut Nonnenmacher
Hans-Martin Weitz
Carl-Heinz Willersin
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1167793A publication Critical patent/GB1167793A/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
    • C07C51/48—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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pyrrole Compounds (AREA)
GB768867A 1966-02-19 1967-02-17 Separation of Methacrylic Acid and Acrylic Acid Expired GB1167793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0085874 1966-02-19

Publications (1)

Publication Number Publication Date
GB1167793A true GB1167793A (en) 1969-10-22

Family

ID=6983107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB768867A Expired GB1167793A (en) 1966-02-19 1967-02-17 Separation of Methacrylic Acid and Acrylic Acid

Country Status (5)

Country Link
BE (1) BE694209A (xx)
DE (1) DE1568081A1 (xx)
FR (1) FR1511540A (xx)
GB (1) GB1167793A (xx)
NL (1) NL6702292A (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2005021470A2 (en) * 2003-06-26 2005-03-10 Cargill, Incorporated Process for separating and recovering 3-hydroxypropionic acid and acrylic acid
US7279598B2 (en) * 2003-06-26 2007-10-09 Xiangsheng Meng Process for separating and recovering 3-hydroxypropionic acid and acrylic acid

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2323328C2 (de) * 1973-05-09 1982-04-01 Basf Ag, 6700 Ludwigshafen Verfahren zur Abtrennung von Acrylsäure aus einer angesäuerten wäßrigen Butanol-Acrylsäure-Veresterungsablauge
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
DE19627850A1 (de) * 1996-07-10 1998-01-15 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2005021470A2 (en) * 2003-06-26 2005-03-10 Cargill, Incorporated Process for separating and recovering 3-hydroxypropionic acid and acrylic acid
WO2005021470A3 (en) * 2003-06-26 2005-05-12 Cargill Inc Process for separating and recovering 3-hydroxypropionic acid and acrylic acid
US7279598B2 (en) * 2003-06-26 2007-10-09 Xiangsheng Meng Process for separating and recovering 3-hydroxypropionic acid and acrylic acid

Also Published As

Publication number Publication date
BE694209A (xx) 1967-08-17
FR1511540A (fr) 1968-01-26
DE1568081A1 (de) 1970-02-05
NL6702292A (xx) 1967-08-21
DE1568081B2 (xx) 1974-11-14

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Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees