FR2171910A1 - - Google Patents

Info

Publication number
FR2171910A1
FR2171910A1 FR7205027A FR7205027A FR2171910A1 FR 2171910 A1 FR2171910 A1 FR 2171910A1 FR 7205027 A FR7205027 A FR 7205027A FR 7205027 A FR7205027 A FR 7205027A FR 2171910 A1 FR2171910 A1 FR 2171910A1
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.)
Granted
Application number
FR7205027A
Other languages
French (fr)
Other versions
FR2171910B1 (pl
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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
Priority to CA133,519A priority Critical patent/CA962698A/en
Priority to GB573872A priority patent/GB1346737A/en
Priority to NL7201773A priority patent/NL7201773A/xx
Application filed by Standard Oil Co filed Critical Standard Oil Co
Priority to FR7205027A priority patent/FR2171910B1/fr
Priority to DE2207184A priority patent/DE2207184B2/de
Priority to BE779549A priority patent/BE779549A/xx
Publication of FR2171910A1 publication Critical patent/FR2171910A1/fr
Application granted granted Critical
Publication of FR2171910B1 publication Critical patent/FR2171910B1/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
    • 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
    • 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
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7205027A 1972-01-31 1972-02-15 Expired FR2171910B1 (pl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA133,519A CA962698A (en) 1972-01-31 1972-01-31 Process for purification of acrylic acid
GB573872A GB1346737A (en) 1972-01-31 1972-02-08 Process for purification of acrylic acid
NL7201773A NL7201773A (pl) 1972-01-31 1972-02-10
FR7205027A FR2171910B1 (pl) 1972-01-31 1972-02-15
DE2207184A DE2207184B2 (de) 1972-01-31 1972-02-16 Verfahren zur Reinigung von Acrylsäure
BE779549A BE779549A (fr) 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CA133,519A CA962698A (en) 1972-01-31 1972-01-31 Process for purification of acrylic acid
GB573872A GB1346737A (en) 1972-01-31 1972-02-08 Process for purification of acrylic acid
NL7201773A NL7201773A (pl) 1972-01-31 1972-02-10
FR7205027A FR2171910B1 (pl) 1972-01-31 1972-02-15
DE2207184A DE2207184B2 (de) 1972-01-31 1972-02-16 Verfahren zur Reinigung von Acrylsäure
BE779549A BE779549A (fr) 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique

Publications (2)

Publication Number Publication Date
FR2171910A1 true FR2171910A1 (pl) 1973-09-28
FR2171910B1 FR2171910B1 (pl) 1977-09-02

Family

ID=32046140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205027A Expired FR2171910B1 (pl) 1972-01-31 1972-02-15

Country Status (6)

Country Link
BE (1) BE779549A (pl)
CA (1) CA962698A (pl)
DE (1) DE2207184B2 (pl)
FR (1) FR2171910B1 (pl)
GB (1) GB1346737A (pl)
NL (1) NL7201773A (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759358A (en) * 1994-05-31 1998-06-02 Rohm And Haas Company Process for pure grade acrylic acid
US9517999B2 (en) 2013-03-15 2016-12-13 Rohm And Haas Company Process for purifying (meth)acrylic acid

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641996A1 (de) * 1986-12-09 1988-06-16 Basf Ag Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren
CA2001397A1 (en) * 1988-10-28 1990-04-28 Tadao Shimomura Method for production of acrylate and acrylate-containing polymer
DE4201697A1 (de) * 1992-01-23 1993-07-29 Basf Ag Verfahren zur reinigung von rohsaeuren (alpha),(beta)-monoethylenisch ungesaettigter carbonsaeuren
DE4335172A1 (de) * 1993-10-15 1995-04-20 Basf Ag Verfahren zur Reinigung von Roh-(Meth)acrylsäure
GB2285046B (en) * 1993-12-24 1997-12-17 Sumitomo Chemical Co Process for purifying acrylic acid
US5571386A (en) * 1994-05-31 1996-11-05 Rohm And Haas Company Process for grade acrylic acid
US5482597A (en) 1994-11-23 1996-01-09 Basf Aktiengesellschaft Purification of crude (meth)acrylic acid
US5961790A (en) * 1994-12-14 1999-10-05 Basf Aktiengesellschaft Separation of (meth) acrylic acid by rectification
DE19501326A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure als Hauptbestandteil und niedere Aldehyde als Nebenbestandteile enthaltenden Gemisch in einer aus Abtriebsteil und Verstärkerteil bestehenden Rektifiaktionskolonne
DE19501325A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure enthaltenden Gemisch
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
DE102005019911A1 (de) 2005-04-27 2006-11-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure und/oder Methacrylsäure enthaltenden Flüssigkeit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759358A (en) * 1994-05-31 1998-06-02 Rohm And Haas Company Process for pure grade acrylic acid
US9517999B2 (en) 2013-03-15 2016-12-13 Rohm And Haas Company Process for purifying (meth)acrylic acid

Also Published As

Publication number Publication date
DE2207184A1 (de) 1973-08-23
GB1346737A (en) 1974-02-13
DE2207184B2 (de) 1980-07-24
BE779549A (fr) 1972-08-18
CA962698A (en) 1975-02-11
NL7201773A (pl) 1973-08-14
FR2171910B1 (pl) 1977-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse