JPS52122332A - Treatment of gas generated by dehydration of phthalic acid - Google Patents

Treatment of gas generated by dehydration of phthalic acid

Info

Publication number
JPS52122332A
JPS52122332A JP3606276A JP3606276A JPS52122332A JP S52122332 A JPS52122332 A JP S52122332A JP 3606276 A JP3606276 A JP 3606276A JP 3606276 A JP3606276 A JP 3606276A JP S52122332 A JPS52122332 A JP S52122332A
Authority
JP
Japan
Prior art keywords
phthalic acid
dehydration
treatment
gas generated
gas
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
JP3606276A
Other languages
Japanese (ja)
Other versions
JPS5734271B2 (en
Inventor
Akira Matsuura
Kazuaki Sakai
Katsumi Matsuzaki
Tsunekatsu Sato
Masao Narita
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Priority to JP3606276A priority Critical patent/JPS52122332A/en
Publication of JPS52122332A publication Critical patent/JPS52122332A/en
Publication of JPS5734271B2 publication Critical patent/JPS5734271B2/ja
Granted legal-status Critical Current

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  • Furan Compounds (AREA)

Abstract

PURPOSE: To separate stem afrom gas, without hydration of phthalic anhydride, preparation by the heat dehydration of phthalic acid, by introducing said gas into a distilling column containing specific inert organic solvent udner specific conditions.
COPYRIGHT: (C)1977,JPO&Japio
JP3606276A 1976-04-02 1976-04-02 Treatment of gas generated by dehydration of phthalic acid Granted JPS52122332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3606276A JPS52122332A (en) 1976-04-02 1976-04-02 Treatment of gas generated by dehydration of phthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3606276A JPS52122332A (en) 1976-04-02 1976-04-02 Treatment of gas generated by dehydration of phthalic acid

Publications (2)

Publication Number Publication Date
JPS52122332A true JPS52122332A (en) 1977-10-14
JPS5734271B2 JPS5734271B2 (en) 1982-07-22

Family

ID=12459218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3606276A Granted JPS52122332A (en) 1976-04-02 1976-04-02 Treatment of gas generated by dehydration of phthalic acid

Country Status (1)

Country Link
JP (1) JPS52122332A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073577U (en) * 1982-11-29 1985-05-23 桑原　英之 playing cards for the blind

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50132937A (en) * 1974-04-05 1975-10-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50132937A (en) * 1974-04-05 1975-10-21

Also Published As

Publication number Publication date
JPS5734271B2 (en) 1982-07-22

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