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AU2003202485A1 - Process for producing high-purity (meth)acrylic acid - Google Patents

Process for producing high-purity (meth)acrylic acid

Info

Publication number
AU2003202485A1
AU2003202485A1 AU2003202485A AU2003202485A AU2003202485A1 AU 2003202485 A1 AU2003202485 A1 AU 2003202485A1 AU 2003202485 A AU2003202485 A AU 2003202485A AU 2003202485 A AU2003202485 A AU 2003202485A AU 2003202485 A1 AU2003202485 A1 AU 2003202485A1
Authority
AU
Australia
Prior art keywords
meth
purity
acrylic acid
producing high
producing
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.)
Abandoned
Application number
AU2003202485A
Inventor
Yasushi Ogawa
Yoshiro Suzuki
Kenji Takasaki
Shuhei Yada
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
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 Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Publication of AU2003202485A1 publication Critical patent/AU2003202485A1/en
Abandoned 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
    • C07C51/43—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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2003202485A 2002-01-15 2003-01-09 Process for producing high-purity (meth)acrylic acid Abandoned AU2003202485A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002005822 2002-01-15
JP2002-5822 2002-01-15
PCT/JP2003/000105 WO2003059862A1 (en) 2002-01-15 2003-01-09 Process for producing high-purity (meth)acrylic acid

Publications (1)

Publication Number Publication Date
AU2003202485A1 true AU2003202485A1 (en) 2003-07-30

Family

ID=19191149

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003202485A Abandoned AU2003202485A1 (en) 2002-01-15 2003-01-09 Process for producing high-purity (meth)acrylic acid

Country Status (3)

Country Link
CN (1) CN1246282C (en)
AU (1) AU2003202485A1 (en)
WO (1) WO2003059862A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0169254B1 (en) * 1984-07-21 1987-11-11 Mitsubishi Petrochemical Co., Ltd. Process for purification of 1,2-unsaturated carboxylic acids and/or esters thereof
JP3222068B2 (en) * 1996-09-13 2001-10-22 三菱レイヨン株式会社 Purification method of methacrylic acid
JP3792448B2 (en) * 1999-09-01 2006-07-05 三菱レイヨン株式会社 Purification method of methacrylic acid

Also Published As

Publication number Publication date
WO2003059862A1 (en) 2003-07-24
CN1541199A (en) 2004-10-27
CN1246282C (en) 2006-03-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase