NL8006632A - Werkwijze voor het bereiden van isoftaalzuur. - Google Patents

Werkwijze voor het bereiden van isoftaalzuur. Download PDF

Info

Publication number
NL8006632A
NL8006632A NL8006632A NL8006632A NL8006632A NL 8006632 A NL8006632 A NL 8006632A NL 8006632 A NL8006632 A NL 8006632A NL 8006632 A NL8006632 A NL 8006632A NL 8006632 A NL8006632 A NL 8006632A
Authority
NL
Netherlands
Prior art keywords
acid
water
reaction mixture
isophthalic acid
reaction
Prior art date
Application number
NL8006632A
Other languages
English (en)
Dutch (nl)
Original Assignee
Labofina Sa
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 Labofina Sa filed Critical Labofina Sa
Publication of NL8006632A publication Critical patent/NL8006632A/nl

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL8006632A 1979-12-17 1980-12-05 Werkwijze voor het bereiden van isoftaalzuur. NL8006632A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/104,470 US4259522A (en) 1979-12-17 1979-12-17 Process for the production of isophtahalic acid
US10447079 1979-12-17

Publications (1)

Publication Number Publication Date
NL8006632A true NL8006632A (nl) 1981-07-16

Family

ID=22300665

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8006632A NL8006632A (nl) 1979-12-17 1980-12-05 Werkwijze voor het bereiden van isoftaalzuur.

Country Status (7)

Country Link
US (1) US4259522A (de)
JP (1) JPS5687534A (de)
BE (1) BE886680A (de)
DE (1) DE3047478A1 (de)
FR (1) FR2471361A1 (de)
IT (1) IT1141139B (de)
NL (1) NL8006632A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2893860B2 (ja) * 1990-05-17 1999-05-24 三菱瓦斯化学株式会社 高純度イソフタル酸の製造法
US7598415B2 (en) * 2005-03-22 2009-10-06 Council Of Scientific & Industrial Research Process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water
CN109999914B (zh) * 2019-04-17 2021-10-15 荆州市诺亚化工有限公司 一种用于制备间甲基苯甲酸的催化剂及其制备方法与应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723994A (en) * 1951-01-15 1955-11-15 Shell Dev Oxidation of xylene and toluic acid mixtures to phthalic acids
US2833820A (en) * 1957-06-14 1958-05-06 Mid Century Corp Process for the preparation of isophthalic and terephthalic acids
US2833819A (en) * 1957-06-14 1958-05-06 Mid Century Corp Process for the preparation of isophthalic and terephthalic acids
US3064044A (en) * 1957-08-15 1962-11-13 Standard Oil Co Multistage oxidation system for preparing dicarboxylic acid
US3626001A (en) * 1968-05-09 1971-12-07 Atlantic Richfield Co Method for the production of high-purity isophthalic or terephthalic acid
US3919306A (en) * 1970-05-18 1975-11-11 Atlantic Richfield Co Purification of recirculated stream for isophthalic acid production
US3673154A (en) * 1970-06-26 1972-06-27 Atlantic Richfield Co Process for the recovery of cobalt catalyst
US3974214A (en) * 1974-02-27 1976-08-10 Atlantic Richfield Company Isophthalic acid manufacture
CH622766A5 (en) * 1976-10-26 1981-04-30 Labofina Sa Process for the preparation of terephthalic acid

Also Published As

Publication number Publication date
IT1141139B (it) 1986-10-01
US4259522A (en) 1981-03-31
DE3047478A1 (de) 1981-10-01
FR2471361A1 (fr) 1981-06-19
IT8026692A0 (it) 1980-12-17
FR2471361B3 (de) 1982-09-03
JPS5687534A (en) 1981-07-16
JPS639497B2 (de) 1988-02-29
BE886680A (fr) 1981-04-16

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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
BV The patent application has lapsed