BE838583A - Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant - Google Patents

Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant

Info

Publication number
BE838583A
BE838583A BE164339A BE164339A BE838583A BE 838583 A BE838583 A BE 838583A BE 164339 A BE164339 A BE 164339A BE 164339 A BE164339 A BE 164339A BE 838583 A BE838583 A BE 838583A
Authority
BE
Belgium
Prior art keywords
undarkened
tolualdehyde
producing
phthalic acid
phthalic
Prior art date
Application number
BE164339A
Other languages
English (en)
Inventor
M Komatsu
T Ohta
T Tanaka
K Akagi
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 filed Critical
Publication of BE838583A publication Critical patent/BE838583A/fr

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)
BE164339A 1975-02-14 1976-02-13 Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant BE838583A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50019312A JPS5195034A (en) 1975-02-14 1975-02-14 Futarusanno kokushokukaboshihoho

Publications (1)

Publication Number Publication Date
BE838583A true BE838583A (fr) 1976-05-28

Family

ID=11995885

Family Applications (1)

Application Number Title Priority Date Filing Date
BE164339A BE838583A (fr) 1975-02-14 1976-02-13 Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant

Country Status (7)

Country Link
JP (1) JPS5195034A (fr)
BE (1) BE838583A (fr)
CA (1) CA1042014A (fr)
DE (1) DE2605882C2 (fr)
FR (1) FR2300753A1 (fr)
GB (1) GB1518901A (fr)
NL (1) NL180099C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446740A (en) * 1977-09-20 1979-04-12 Matsuyama Sekyu Kagaku Kk Manufacture of highly pure terephthalic acid for direct polymerization
JPS55145637A (en) * 1979-05-02 1980-11-13 Teijin Hercules Kk Preparation of aromatic carboxylic acid or its methyl ester
JPH0337579U (fr) * 1989-08-22 1991-04-11

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2154147C3 (de) * 1970-11-01 1978-03-16 Maruzen Oil Co., Ltd., Osaka (Japan) Verfahren zur Herstellung von Terephthalsäure
JPS5186437A (ja) * 1975-01-28 1976-07-29 Mitsubishi Gas Chemical Co Futarusannokokushokukaboshiho

Also Published As

Publication number Publication date
DE2605882A1 (de) 1976-08-26
FR2300753B1 (fr) 1978-11-10
NL180099B (nl) 1986-08-01
NL7601392A (nl) 1976-08-17
GB1518901A (en) 1978-07-26
CA1042014A (fr) 1978-11-07
FR2300753A1 (fr) 1976-09-10
JPS5195034A (en) 1976-08-20
DE2605882C2 (de) 1983-07-28
NL180099C (nl) 1987-01-02
JPS575777B2 (fr) 1982-02-01

Similar Documents

Publication Publication Date Title
BE830374A (fr) Procede pour produire un acide
FR2337149A1 (fr) Procede pour la modification du fluorure de polyvinylidene
BE818203A (fr) Procede de production d'un acide carboxylique aromatique
BE843316A (fr) Procede pour produire de l'acide terephtalique
FR2298959A1 (fr) Procede pour la pro
FR2306188A1 (fr) Procede de preparation d'un acide carboxylique insature
BE846933A (fr) Procede de production d'acide clavulanique,
BE825525A (fr) Procede pour l'obtention d'acide formique
RO63989A (fr) Procede pour obtenir l'acide fluorhydrique
RO72242A (fr) Procede pour la preparation d'un ester de l'acide 1-sulfonique-3-hydroxy-3-cephem-4-carboxylique
BE846421A (fr) Procede de production d'acide terephtalique
FR2299306A1 (fr) Procede de production d'un acide phtalique non noirci a partir du tolualdehyde correspondant
BE838583A (fr) Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant
FR2322846A1 (fr) Procede de preparation d'un ester d'acide halogene
RO69916A (fr) Procede pour la preparation du nitryle d'acide 3,7-dimethylocte-2-en-oique
FR2297248A1 (fr) Procede pour la fabrication du fil machine
FR2319620A1 (fr) Procede pour la fabrication de l'acide m-benzoyl-hydratropique avec un produit intermediaire nouveau
FR2322133A1 (fr) Procede pour produire des acyl-taurides
FR2297832A1 (fr) Procede de preparation d'esters de l'acide formique
FR2342289A1 (fr) Procede de production d'un derive d'acide clavulanique
FR2310990A1 (fr) Procede de preparation d'un acide carboxylique
BE840624A (fr) Procede de production de l'acide terephtalique par oxydation du p-xylene
RO70089A (fr) Procede d'obtenir des esters d'acide /-pyrazolopyrimidinthionothiolphosphorique
FR2312488A1 (fr) Procede de production d'acide trans-4-aminomethyl-cyclohexane-1-carboxylique
FR2330686A1 (fr) Procede pour preparer l'acide amino-2d-2 thiazolinecarboxylique-4

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MITSUBISHI GAS CHEMICAL CY INC.

Effective date: 19860228