BE707929A - - Google Patents

Info

Publication number
BE707929A
BE707929A BE707929DA BE707929A BE 707929 A BE707929 A BE 707929A BE 707929D A BE707929D A BE 707929DA BE 707929 A BE707929 A BE 707929A
Authority
BE
Belgium
Application number
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 BE707929A publication Critical patent/BE707929A/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

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)
BE707929D 1966-12-15 1967-12-13 BE707929A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0060928 1966-12-15

Publications (1)

Publication Number Publication Date
BE707929A true BE707929A (xx) 1968-06-13

Family

ID=7229826

Family Applications (1)

Application Number Title Priority Date Filing Date
BE707929D BE707929A (xx) 1966-12-15 1967-12-13

Country Status (5)

Country Link
US (1) US3555082A (xx)
BE (1) BE707929A (xx)
FR (1) FR1558432A (xx)
GB (1) GB1159360A (xx)
NL (1) NL159651B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2005163A1 (de) * 1970-02-05 1971-08-19 Knapsack Ag, 5033 Knapsack Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsaure
DE2121123C3 (de) * 1971-04-29 1980-06-12 Basf Ag, 6700 Ludwigshafen Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation
DE2241714A1 (de) * 1972-08-24 1974-03-28 Basf Ag Verfahren zur abtrennung von acrylsaeure aus den reaktionsgasen der propylenoder acroleinoxydation
GB1458397A (en) * 1972-12-27 1976-12-15 Degussa Process for obtaining pure acrylic acid
US3888922A (en) * 1973-04-30 1975-06-10 Celanese Corp Stabilizing acrylic acid with alkylated phenols
AR206439A1 (es) * 1974-10-07 1976-07-23 Celanese Corp Un metodo para la recuperacion de un acido acrilico crudo
FR2314917A1 (fr) * 1975-06-20 1977-01-14 Rhone Poulenc Ind Procede de fabrication de l'aldehyde beta-methylthiopropionique
FR2394512A1 (fr) * 1977-06-14 1979-01-12 Rhone Poulenc Ind Procede de separation d'acide acrylique a partir de ses solutions dans le phosphate de tri-n-butyle
FR2736912B1 (fr) * 1995-07-18 1997-08-22 Atochem Elf Sa Procede de purification de l'acide acrylique obtenu par oxydation catalytique du propylene
US6180827B1 (en) * 1998-02-03 2001-01-30 Hfm International, Inc. Recovery of acrylic acid from process or waste water streams
DE19814375A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
DE19814387A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern

Also Published As

Publication number Publication date
DE1568937B2 (de) 1975-06-26
FR1558432A (xx) 1969-02-28
DE1568937A1 (de) 1970-04-16
NL159651B (nl) 1979-03-15
NL6716963A (xx) 1968-06-17
GB1159360A (en) 1969-07-23
US3555082A (en) 1971-01-12

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: KNAPSACK A.G.

Effective date: 19871213