DE3165834D1 - Oxidation of meta- or para-xylene to iso- or tere-phthalic acid - Google Patents

Oxidation of meta- or para-xylene to iso- or tere-phthalic acid

Info

Publication number
DE3165834D1
DE3165834D1 DE8181302122T DE3165834T DE3165834D1 DE 3165834 D1 DE3165834 D1 DE 3165834D1 DE 8181302122 T DE8181302122 T DE 8181302122T DE 3165834 T DE3165834 T DE 3165834T DE 3165834 D1 DE3165834 D1 DE 3165834D1
Authority
DE
Germany
Prior art keywords
tere
para
meta
xylene
iso
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.)
Expired
Application number
DE8181302122T
Other languages
English (en)
Inventor
Stephen Vynne Norval
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10513933&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3165834(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE3165834D1 publication Critical patent/DE3165834D1/de
Expired legal-status Critical Current

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)
DE8181302122T 1980-06-10 1981-05-13 Oxidation of meta- or para-xylene to iso- or tere-phthalic acid Expired DE3165834D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8018918 1980-06-10

Publications (1)

Publication Number Publication Date
DE3165834D1 true DE3165834D1 (en) 1984-10-11

Family

ID=10513933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181302122T Expired DE3165834D1 (en) 1980-06-10 1981-05-13 Oxidation of meta- or para-xylene to iso- or tere-phthalic acid

Country Status (6)

Country Link
EP (1) EP0041778B2 (de)
JP (1) JPS5726643A (de)
BR (1) BR8103606A (de)
DE (1) DE3165834D1 (de)
IN (1) IN156070B (de)
ZA (1) ZA813434B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786753A (en) * 1987-05-18 1988-11-22 Amoco Corporation Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB762803A (en) * 1953-06-10 1956-12-05 Chempatents Inc Process for the preparation of isophthalic acid
BE550529A (de) * 1955-08-24
GB942859A (en) * 1961-05-01 1963-11-27 Continental Oil Co Oxidation of aromatic hydrocarbons
GB1542320A (en) * 1976-10-26 1979-03-14 Labofina Sa Process for the preparation of aromatic dicarboxylic acids
GB2019395B (en) * 1978-04-24 1982-07-28 Labofina Sa Production of terephthalic acid from p-xylene

Also Published As

Publication number Publication date
EP0041778B2 (de) 1988-08-24
EP0041778B1 (de) 1984-09-05
IN156070B (de) 1985-05-04
BR8103606A (pt) 1982-03-02
ZA813434B (en) 1982-06-30
EP0041778A1 (de) 1981-12-16
JPS5726643A (en) 1982-02-12

Similar Documents

Publication Publication Date Title
GB2014985B (en) Purification of terephthalic acid
ZA816549B (en) 3-aryl-5-isothiazolecarboylic acids and related compounds to lower uric acid levels
GB2033901B (en) Purification of carbonylation products
DE3161102D1 (en) Process for the oxidizing dehydrogenation of isobutyric acid to methacrylic acid
JPS5745153A (en) Continuous manufacture of peroxycarboxylic acid composition
JPS552674A (en) Separation of tyralcarboxylic acid antipode
ZA818908B (en) Preparation of carboxylic acid
DE3170255D1 (en) Oxidation of substituted aromatic compounds to aromatic carboxylic acids
GB2011372B (en) Use of ninstiochiometric carbonsulphur compounds to removecomponents from liquids
JPS5579345A (en) Manufacture of glyoxylic acid or its derivative
JPS5714570A (en) Preparation of n-benzyloxycarbonylaspartic acid
JPS56147742A (en) Manufacture of benzene monocarboxylic acid
DE3160085D1 (en) Preparation of 2-keto-l-gulonic acid
GB2043052B (en) Purification of dicarboxylic acids
ZA813670B (en) Oxidation of substituted aromatic compounds to aromatic carboxylic acids
DE3165834D1 (en) Oxidation of meta- or para-xylene to iso- or tere-phthalic acid
JPS5795925A (en) Manufacture of terephthalic acid from dimethylterephthalate as intermediate
JPS5795936A (en) Selective hydrocarboxylation of propylene to isobutyric acid
JPS5714552A (en) Manufacture of fatty carboxylic acid
DE3070685D1 (en) Process for the oxidation of lupulones to hulupones
JPS5513740A (en) Fatty acid purification
JPS5748977A (en) 2-chloro-4-trifluoromethyl-thiazolethiol carboxylic acid compound
JPS57134442A (en) Oxidation dehydrogenation of isobutyric acid
JPS5772936A (en) Oxidation dehydrogenation of isobutyric acid to methacrylic acid
GB2019395B (en) Production of terephthalic acid from p-xylene

Legal Events

Date Code Title Description
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee