JPS5356612A - Purification of maleic acid anhydride - Google Patents

Purification of maleic acid anhydride

Info

Publication number
JPS5356612A
JPS5356612A JP13255776A JP13255776A JPS5356612A JP S5356612 A JPS5356612 A JP S5356612A JP 13255776 A JP13255776 A JP 13255776A JP 13255776 A JP13255776 A JP 13255776A JP S5356612 A JPS5356612 A JP S5356612A
Authority
JP
Japan
Prior art keywords
maleic acid
acid anhydride
purification
distillation
oxidation
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
JP13255776A
Other languages
English (en)
Other versions
JPS587633B2 (ja
Inventor
Shozo Sato
Kazuo Okuda
Yoshimasa Isogai
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 Kasei Corp
Original Assignee
Mitsubishi Kasei 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 Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP51132557A priority Critical patent/JPS587633B2/ja
Publication of JPS5356612A publication Critical patent/JPS5356612A/ja
Publication of JPS587633B2 publication Critical patent/JPS587633B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Furan Compounds (AREA)
JP51132557A 1976-11-04 1976-11-04 無水マレイン酸の精製法 Expired JPS587633B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51132557A JPS587633B2 (ja) 1976-11-04 1976-11-04 無水マレイン酸の精製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51132557A JPS587633B2 (ja) 1976-11-04 1976-11-04 無水マレイン酸の精製法

Publications (2)

Publication Number Publication Date
JPS5356612A true JPS5356612A (en) 1978-05-23
JPS587633B2 JPS587633B2 (ja) 1983-02-10

Family

ID=15084064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51132557A Expired JPS587633B2 (ja) 1976-11-04 1976-11-04 無水マレイン酸の精製法

Country Status (1)

Country Link
JP (1) JPS587633B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59143312A (ja) * 1983-02-04 1984-08-16 Japan Steel Works Ltd:The プラスチツクマグネツト射出成形機の磁場発生装置
JPS62158308A (ja) * 1985-12-30 1987-07-14 Sumitomo Heavy Ind Ltd プラスチツクマグネツト射出成形機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564022A (en) * 1968-03-18 1971-02-16 Monsanto Co Color stabilized maleic anhydride and processes therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564022A (en) * 1968-03-18 1971-02-16 Monsanto Co Color stabilized maleic anhydride and processes therefor

Also Published As

Publication number Publication date
JPS587633B2 (ja) 1983-02-10

Similar Documents

Publication Publication Date Title
JPS5212126A (en) Process for preparation of methacrylic acid
JPS5223589A (en) Catalyst for producing alpha,beta-unsaturaded carboxylic acid
JPS5365821A (en) Preparation of glyoxylic acid
JPS5239643A (en) A process for preparing terephtalic acid
JPS5439032A (en) Oxydation of phenol
JPS5356612A (en) Purification of maleic acid anhydride
JPS51138666A (en) Purification of anthraquinone
JPS5291835A (en) Prepation of terephtalic acid for direct polymerization
JPS5427522A (en) Preparation of maleic anhydride
JPS5323926A (en) Recovery of trifluoromethanesulfonic acid
JPS51136642A (en) Process for preparation of terephthalic acid
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS5312833A (en) Preparation of dimethylterephthalate
JPS5382742A (en) Purification of arom.
JPS5337609A (en) Preparation of unsaturated glycol diester
JPS549203A (en) Preparation of alpha-branched aliphatic carboxylic acid
JPS527915A (en) Process for preparation of higher fatty acid
JPS5334729A (en) Preparation of alpha-siloxy-alpha-cyanocarboxylic acid esters
JPS535110A (en) Preparation of adipic acid
JPS5257110A (en) Purification process for fatty acids
JPS52133942A (en) Treatment of reaction mother liquor
JPS5371010A (en) Purification of adipic acid ester
JPS5312807A (en) Preparation of glutaric acid
JPS5352682A (en) Purification of l-methionase
JPS5295626A (en) Preparation of aromatic carboxylic acids