JPS54119412A - Purification of methacrylic acid - Google Patents

Purification of methacrylic acid

Info

Publication number
JPS54119412A
JPS54119412A JP2511178A JP2511178A JPS54119412A JP S54119412 A JPS54119412 A JP S54119412A JP 2511178 A JP2511178 A JP 2511178A JP 2511178 A JP2511178 A JP 2511178A JP S54119412 A JPS54119412 A JP S54119412A
Authority
JP
Japan
Prior art keywords
methacrylic acid
acetic acid
layer
water layer
acid
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
JP2511178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236022B2 (enrdf_load_html_response
Inventor
Tatsuro Masuko
Shigeo Fukaya
Kazuhiko Masaoka
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 Industries Ltd
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 Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP2511178A priority Critical patent/JPS54119412A/ja
Publication of JPS54119412A publication Critical patent/JPS54119412A/ja
Publication of JPS6236022B2 publication Critical patent/JPS6236022B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2511178A 1978-03-06 1978-03-06 Purification of methacrylic acid Granted JPS54119412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2511178A JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2511178A JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS54119412A true JPS54119412A (en) 1979-09-17
JPS6236022B2 JPS6236022B2 (enrdf_load_html_response) 1987-08-05

Family

ID=12156802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2511178A Granted JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS54119412A (enrdf_load_html_response)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560187A1 (fr) * 1983-11-11 1985-08-30 Nippon Kayaku Kk Procede de recuperation de l'acide methacrylique
JP2009263347A (ja) * 2008-03-31 2009-11-12 Mitsubishi Chemicals Corp (メタ)アクリル酸の製造方法
CN103827071A (zh) * 2011-09-16 2014-05-28 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
JP2014528936A (ja) * 2011-09-16 2014-10-30 エボニック 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Evonik Roehm GmbH メタクリル酸およびメタクリル酸エステルの製造方法
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009870U (ja) * 1994-10-05 1995-04-11 山瀧製帽有限会社 型崩れしない帽子

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913112A (enrdf_load_html_response) * 1972-06-05 1974-02-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913112A (enrdf_load_html_response) * 1972-06-05 1974-02-05

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560187A1 (fr) * 1983-11-11 1985-08-30 Nippon Kayaku Kk Procede de recuperation de l'acide methacrylique
JP2009263347A (ja) * 2008-03-31 2009-11-12 Mitsubishi Chemicals Corp (メタ)アクリル酸の製造方法
CN103827071A (zh) * 2011-09-16 2014-05-28 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
JP2014528936A (ja) * 2011-09-16 2014-10-30 エボニック 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Evonik Roehm GmbH メタクリル酸およびメタクリル酸エステルの製造方法
JP2014528935A (ja) * 2011-09-16 2014-10-30 エボニック 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Evonik Roehm GmbH メタクリル酸およびメタクリル酸エステルの製造方法
CN108373409A (zh) * 2011-09-16 2018-08-07 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法
CN107074715B (zh) * 2014-11-19 2020-09-18 罗姆化学有限责任公司 制备甲基丙烯酸的优化方法

Also Published As

Publication number Publication date
JPS6236022B2 (enrdf_load_html_response) 1987-08-05

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