NL188282B - METHOD FOR THE SYNTHESIS OF TERPHALIC ACID BY OXYDERS OF P-XYLENE IN ACETIC ACID SOLUTION. - Google Patents

METHOD FOR THE SYNTHESIS OF TERPHALIC ACID BY OXYDERS OF P-XYLENE IN ACETIC ACID SOLUTION.

Info

Publication number
NL188282B
NL188282B NLAANVRAGE7803368,A NL7803368A NL188282B NL 188282 B NL188282 B NL 188282B NL 7803368 A NL7803368 A NL 7803368A NL 188282 B NL188282 B NL 188282B
Authority
NL
Netherlands
Prior art keywords
terphalic
oxyders
xylene
synthesis
acetic acid
Prior art date
Application number
NLAANVRAGE7803368,A
Other languages
Dutch (nl)
Other versions
NL188282C (en
NL7803368A (en
Original Assignee
Montedison Spa
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
Priority claimed from IT2205877A external-priority patent/IT1075688B/en
Priority claimed from IT22408/77A external-priority patent/IT1075317B/en
Application filed by Montedison Spa filed Critical Montedison Spa
Publication of NL7803368A publication Critical patent/NL7803368A/en
Publication of NL188282B publication Critical patent/NL188282B/en
Application granted granted Critical
Publication of NL188282C publication Critical patent/NL188282C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts
NLAANVRAGE7803368,A 1977-04-04 1978-03-30 METHOD FOR THE SYNTHESIS OF TERPHALIC ACID BY OXYDERS OF P-XYLENE IN ACETIC ACID SOLUTION. NL188282C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2205877A IT1075688B (en) 1977-04-04 1977-04-04 Recovery of catalyst and solvent used in terephthalic acid mfr. - by distillation of the mother liquor
IT22408/77A IT1075317B (en) 1977-04-13 1977-04-13 METHOD FOR SOLVENT ANHYDRIFICATION AND FOR THE RECOVERY OF THE BY-PRODUCT OF METHYL ACETATE IN A SYNTHESIS PROCESS OF TEREPHTHALIC ACID

Publications (3)

Publication Number Publication Date
NL7803368A NL7803368A (en) 1978-10-06
NL188282B true NL188282B (en) 1991-12-16
NL188282C NL188282C (en) 1992-05-18

Family

ID=26328080

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7803368,A NL188282C (en) 1977-04-04 1978-03-30 METHOD FOR THE SYNTHESIS OF TERPHALIC ACID BY OXYDERS OF P-XYLENE IN ACETIC ACID SOLUTION.

Country Status (10)

Country Link
JP (1) JPS53127430A (en)
BR (1) BR7802069A (en)
DE (1) DE2814448A1 (en)
ES (1) ES468499A1 (en)
FR (1) FR2386511A1 (en)
GB (1) GB1593117A (en)
IN (1) IN148106B (en)
MX (1) MX148713A (en)
NL (1) NL188282C (en)
SU (1) SU1217250A3 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1129759B (en) * 1980-01-23 1986-06-11 Montedison Spa METHOD TO RECOVER IN ACTIVE FORM THE COMPONENTS OF THE CATALYTIC SYSTEM OF THE SYNTHESIS OF TEREPHTHALIC ACID
US4334086A (en) * 1981-03-16 1982-06-08 Labofina S.A. Production of terephthalic acid
CN1070839C (en) * 1994-08-23 2001-09-12 纳幕尔杜邦公司 Dehydration of acetic acid by azeotropic distillation in the prodn. of aromatic acid
US6150553A (en) * 1998-08-11 2000-11-21 E. I. Du Pont De Nemours And Company Method for recovering methyl acetate and residual acetic acid in the production acid of pure terephthalic acid
CN1236835C (en) * 2001-02-27 2006-01-18 三菱化学株式会社 Azeotropic distillation method
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE670307A (en) * 1964-12-14 1900-01-01
US3557173A (en) * 1968-05-09 1971-01-19 Sinclair Research Inc Process for recovering cobalt acetate
DE2104909A1 (en) * 1971-02-03 1972-09-07 Chemische Fabrik Kalk GmbH, 5000 Köln Terephthalic acid prodn - by para-xylene oxidn with oxygen using cobalt and bromine compound catalysts
US3761474A (en) * 1971-03-22 1973-09-25 Fmc Corp Purification of crude cyanuric acid
JPS5328420B2 (en) * 1973-04-05 1978-08-15
JPS5328421B2 (en) * 1973-05-15 1978-08-15
JPS5328901B2 (en) * 1973-07-28 1978-08-17
FR2304255A7 (en) * 1975-03-13 1976-10-08 Inst Francais Du Petrole Terephthalic acid prodn. by oxidn. of paraxylene - with removal of byproducts from conc. reactor effluent by treatment with water

Also Published As

Publication number Publication date
NL188282C (en) 1992-05-18
JPS6241219B2 (en) 1987-09-02
DE2814448C2 (en) 1991-05-23
DE2814448A1 (en) 1978-10-12
ES468499A1 (en) 1979-01-01
BR7802069A (en) 1979-01-23
GB1593117A (en) 1981-07-15
NL7803368A (en) 1978-10-06
SU1217250A3 (en) 1986-03-07
MX148713A (en) 1983-06-06
IN148106B (en) 1980-10-18
FR2386511B1 (en) 1980-07-25
FR2386511A1 (en) 1978-11-03
JPS53127430A (en) 1978-11-07

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent

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