JPS57149239A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid

Info

Publication number
JPS57149239A
JPS57149239A JP3604781A JP3604781A JPS57149239A JP S57149239 A JPS57149239 A JP S57149239A JP 3604781 A JP3604781 A JP 3604781A JP 3604781 A JP3604781 A JP 3604781A JP S57149239 A JPS57149239 A JP S57149239A
Authority
JP
Japan
Prior art keywords
methacrylic acid
acid
residue
hydroxyisobutyric
water
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.)
Granted
Application number
JP3604781A
Other languages
English (en)
Other versions
JPS6345659B2 (ja
Inventor
Mitsuo Iida
Shunichi Naito
Yuzuru Takahashi
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 Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to JP3604781A priority Critical patent/JPS57149239A/ja
Publication of JPS57149239A publication Critical patent/JPS57149239A/ja
Publication of JPS6345659B2 publication Critical patent/JPS6345659B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP3604781A 1981-03-13 1981-03-13 Preparation of methacrylic acid Granted JPS57149239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3604781A JPS57149239A (en) 1981-03-13 1981-03-13 Preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3604781A JPS57149239A (en) 1981-03-13 1981-03-13 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS57149239A true JPS57149239A (en) 1982-09-14
JPS6345659B2 JPS6345659B2 (ja) 1988-09-12

Family

ID=12458791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3604781A Granted JPS57149239A (en) 1981-03-13 1981-03-13 Preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS57149239A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250729A (en) * 1989-01-26 1993-10-05 Mitsubishi Gas Chemical Company, Inc. Process for preparing unsaturated carboxylic acid or ester thereof
JP2002155025A (ja) * 2000-09-11 2002-05-28 Mitsubishi Gas Chem Co Inc メタクリレート類の製造方法
JP2002179618A (ja) * 2000-12-12 2002-06-26 Mitsubishi Gas Chem Co Inc メタクリル酸の精製方法
JP2007522156A (ja) * 2004-02-11 2007-08-09 レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング α−ヒドロキシカルボン酸及びそれらのエステルの製造方法
CN105849077A (zh) * 2013-05-27 2016-08-10 赢创罗姆有限公司 α-取代羧酸脱水的方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250729A (en) * 1989-01-26 1993-10-05 Mitsubishi Gas Chemical Company, Inc. Process for preparing unsaturated carboxylic acid or ester thereof
EP0379691B2 (en) † 1989-01-26 2001-01-03 Mitsubishi Gas Chemical Company, Inc. Process for preparing unsaturated carboxylic acid or ester thereof
JP2002155025A (ja) * 2000-09-11 2002-05-28 Mitsubishi Gas Chem Co Inc メタクリレート類の製造方法
JP2002179618A (ja) * 2000-12-12 2002-06-26 Mitsubishi Gas Chem Co Inc メタクリル酸の精製方法
JP2007522156A (ja) * 2004-02-11 2007-08-09 レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング α−ヒドロキシカルボン酸及びそれらのエステルの製造方法
CN105849077A (zh) * 2013-05-27 2016-08-10 赢创罗姆有限公司 α-取代羧酸脱水的方法
US9428437B2 (en) * 2013-05-27 2016-08-30 Evonik Roehm Gmbh Method for dehydrating alpha-substituted carboxylic acids

Also Published As

Publication number Publication date
JPS6345659B2 (ja) 1988-09-12

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