PL201743A1 - Sposob odzyskiwania bezwodnika kwasu maleinowego z procesu otrzymywania bezwodnika kwasu ftalowego - Google Patents

Sposob odzyskiwania bezwodnika kwasu maleinowego z procesu otrzymywania bezwodnika kwasu ftalowego

Info

Publication number
PL201743A1
PL201743A1 PL20174377A PL20174377A PL201743A1 PL 201743 A1 PL201743 A1 PL 201743A1 PL 20174377 A PL20174377 A PL 20174377A PL 20174377 A PL20174377 A PL 20174377A PL 201743 A1 PL201743 A1 PL 201743A1
Authority
PL
Poland
Prior art keywords
anhydide
acid anhydide
maleic acid
phthalic acid
recovering maleic
Prior art date
Application number
PL20174377A
Other languages
English (en)
Other versions
PL112829B1 (en
Inventor
Marek Galantowicz
Andrzej Mankowski
Ernest Wizner
Franciszek Gajowy
Jerzy Czerkawski
Zbigniew Slezak
Karol Tomczyszyn
Tadeusz Jaremek
Lukasz Kalecinski
Maria Bartyzel
Jozef Galla
Stefan Kura
Stanislaw Szuszkiewicz
Jozef Kulfosz
Original Assignee
Zaklady Azotowe Kedzierzyn
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 Zaklady Azotowe Kedzierzyn filed Critical Zaklady Azotowe Kedzierzyn
Priority to PL20174377A priority Critical patent/PL112829B1/pl
Priority to DD21264479A priority patent/DD149524A5/de
Publication of PL201743A1 publication Critical patent/PL201743A1/pl
Publication of PL112829B1 publication Critical patent/PL112829B1/pl

Links

PL20174377A 1977-10-24 1977-10-24 Process for recovery of maleic anhydride from phthalic anhydride manufacture process PL112829B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL20174377A PL112829B1 (en) 1977-10-24 1977-10-24 Process for recovery of maleic anhydride from phthalic anhydride manufacture process
DD21264479A DD149524A5 (de) 1977-10-24 1979-05-03 Verfahren zur rueckgewinnung des maleinsaeureanhydrids aus dem herstellungsprozess von phthalsaeureanhydrid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20174377A PL112829B1 (en) 1977-10-24 1977-10-24 Process for recovery of maleic anhydride from phthalic anhydride manufacture process

Publications (2)

Publication Number Publication Date
PL201743A1 true PL201743A1 (pl) 1979-06-04
PL112829B1 PL112829B1 (en) 1980-11-29

Family

ID=19985240

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20174377A PL112829B1 (en) 1977-10-24 1977-10-24 Process for recovery of maleic anhydride from phthalic anhydride manufacture process

Country Status (1)

Country Link
PL (1) PL112829B1 (pl)

Also Published As

Publication number Publication date
PL112829B1 (en) 1980-11-29

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