FR2261252B1 - - Google Patents

Info

Publication number
FR2261252B1
FR2261252B1 FR7504715A FR7504715A FR2261252B1 FR 2261252 B1 FR2261252 B1 FR 2261252B1 FR 7504715 A FR7504715 A FR 7504715A FR 7504715 A FR7504715 A FR 7504715A FR 2261252 B1 FR2261252 B1 FR 2261252B1
Authority
FR
France
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
FR7504715A
Other versions
FR2261252A1 (fr
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of FR2261252A1 publication Critical patent/FR2261252A1/fr
Application granted granted Critical
Publication of FR2261252B1 publication Critical patent/FR2261252B1/fr
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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7504715A 1974-02-15 1975-02-14 Expired FR2261252B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2407236A DE2407236C2 (de) 1974-02-15 1974-02-15 Verfahren zur Herstellung monomerer Acrylsäure aus Rückständen, die bei der Aufarbeitung roher Acrylsäure anfallen

Publications (2)

Publication Number Publication Date
FR2261252A1 FR2261252A1 (fr) 1975-09-12
FR2261252B1 true FR2261252B1 (fr) 1980-04-18

Family

ID=5907485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504715A Expired FR2261252B1 (fr) 1974-02-15 1975-02-14

Country Status (9)

Country Link
US (1) US3954854A (fr)
JP (1) JPS5756899B2 (fr)
BE (1) BE825482A (fr)
CA (1) CA1039748A (fr)
DE (1) DE2407236C2 (fr)
FR (1) FR2261252B1 (fr)
GB (1) GB1436535A (fr)
IT (1) IT1029716B (fr)
NL (1) NL7501123A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317926A (en) 1978-01-19 1982-03-02 Nippon Shokubai Kagaku Kogyo Co., Ltd. Process for preparing and recovering acrylic acid
US4617405A (en) * 1984-09-25 1986-10-14 A. E. Staley Manufacturing Company Preparation of alpha, beta-unsaturated carbonyl compounds
FR2727964B1 (fr) * 1994-12-12 1997-01-24 Atochem Elf Sa Procede de recuperation des produits nobles legers contenus dans les residus de distillation des procedes de fabrication de l'acide acrylique et de ses esters
ES2206197T3 (es) * 1999-03-06 2004-05-16 Basf Aktiengesellschaft Procedimiento para la obtencion de acido acrilico.
MY122671A (en) 1999-03-06 2006-04-29 Basf Ag Fractional condensation of a product gas mixture containing acrylic acid
JP4048076B2 (ja) † 2001-07-10 2008-02-13 株式会社日本触媒 ミカエル型付加物の分解方法
JP2005521718A (ja) * 2002-03-25 2005-07-21 カーギル，インコーポレイティド β−ヒドロキシカルボン酸の誘導体の製造方法
JP4302934B2 (ja) 2002-04-25 2009-07-29 株式会社日本触媒 ミカエル型付加物の分解方法
DE102004008575A1 (de) * 2004-02-19 2005-09-08 Stockhausen Gmbh Spaltung oligomerer (Meth)acrylsäure in flüssiger Phase unter Druck
EP1732874A1 (fr) * 2004-04-02 2006-12-20 Ciba Speciality Chemicals Water Treatments Limited Preparation de derives d'acide acrylique a partir d'acides carboxyliques alpha- ou beta-hydroxy
DE102011076931A1 (de) 2011-06-03 2012-12-06 Basf Se Wässrige Lösung, enthaltend Acrylsäure und deren konjugierte Base
US9944586B2 (en) 2013-10-17 2018-04-17 Cargill, Incorporated Methods for producing alkyl hydroxyalkanoates
US10239819B2 (en) 2014-10-17 2019-03-26 Cargill, Incorporated Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid
MA41513A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de distillation pour la production d'acide acrylique
MA41510A (fr) 2015-02-13 2017-12-19 Novomer Inc Procédé de production d'acide acrylique
CA2994403A1 (fr) 2015-07-31 2017-02-09 Novomer, Inc. Systeme de production/procede de production d'acide acrylique et de precurseurs de ce dernier
US10065914B1 (en) 2017-04-24 2018-09-04 Novomer, Inc. Thermolysis of polypropiolactone to produce acrylic acid
US10781156B2 (en) 2017-06-30 2020-09-22 Novomer, Inc. Compositions for improved production of acrylic acid
US11498894B2 (en) 2019-03-08 2022-11-15 Novomer, Inc. Integrated methods and systems for producing amide and nitrile compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485510A (en) * 1946-02-13 1949-10-18 American Cyanamid Co Preparation of acrylic acid and esters thereof
US3086046A (en) * 1959-01-30 1963-04-16 Basf Ag Cleavage of diacrylic acid to form acrylic acid
US3639466A (en) * 1967-04-03 1972-02-01 Basf Ag Production of acrylic acid from residues obtained in working up acrylic acid

Also Published As

Publication number Publication date
BE825482A (fr) 1975-08-13
JPS50116416A (fr) 1975-09-11
US3954854A (en) 1976-05-04
IT1029716B (it) 1979-03-20
FR2261252A1 (fr) 1975-09-12
CA1039748A (fr) 1978-10-03
DE2407236C2 (de) 1983-02-03
JPS5756899B2 (fr) 1982-12-02
GB1436535A (en) 1976-05-19
DE2407236A1 (de) 1975-09-04
NL7501123A (nl) 1975-08-19

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Legal Events

Date Code Title Description
ST Notification of lapse