GB1518881A - Process for producing non-blackened phthalic acids from the corresponding tolualdehydes - Google Patents

Process for producing non-blackened phthalic acids from the corresponding tolualdehydes

Info

Publication number
GB1518881A
GB1518881A GB236476A GB236476A GB1518881A GB 1518881 A GB1518881 A GB 1518881A GB 236476 A GB236476 A GB 236476A GB 236476 A GB236476 A GB 236476A GB 1518881 A GB1518881 A GB 1518881A
Authority
GB
United Kingdom
Prior art keywords
tolualdehydes
blackened
producing non
phthalic acids
phthalic
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
GB236476A
Other languages
English (en)
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of GB1518881A publication Critical patent/GB1518881A/en
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
    • 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)
GB236476A 1975-01-28 1976-01-21 Process for producing non-blackened phthalic acids from the corresponding tolualdehydes Expired GB1518881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1212875A JPS5186437A (ja) 1975-01-28 1975-01-28 Futarusannokokushokukaboshiho

Publications (1)

Publication Number Publication Date
GB1518881A true GB1518881A (en) 1978-07-26

Family

ID=11796885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB236476A Expired GB1518881A (en) 1975-01-28 1976-01-21 Process for producing non-blackened phthalic acids from the corresponding tolualdehydes

Country Status (8)

Country Link
JP (1) JPS5186437A (xx)
BE (1) BE837945A (xx)
CA (1) CA1042459A (xx)
DE (1) DE2603173A1 (xx)
FR (1) FR2299306A1 (xx)
GB (1) GB1518881A (xx)
IT (1) IT1057065B (xx)
NL (1) NL7600873A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014079572A1 (en) * 2012-11-23 2014-05-30 Eth Zurich Method for the production of polyethylene terephthalate with a low carbon footprint

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5195034A (en) * 1975-02-14 1976-08-20 Futarusanno kokushokukaboshihoho
JPS5432434A (en) * 1977-08-12 1979-03-09 Ici Ltd Method of preparing phthalicacid by oxidation of trialdehyde
EP0953561A1 (en) * 1998-04-29 1999-11-03 ARTEVA TECHNOLOGIES S.à.r.l. Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde
EP2808316B1 (en) 2012-01-26 2018-09-05 Toray Industries, Inc. METHOD FOR PRODUCING p-XYLENE AND/OR p-TOLUALDEHYDE
WO2022172968A1 (ja) 2021-02-10 2022-08-18 学校法人幾徳学園 バイオマス資源からのテレフタル酸の製造方法及びバイオマス資源からのポリエステルの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014079572A1 (en) * 2012-11-23 2014-05-30 Eth Zurich Method for the production of polyethylene terephthalate with a low carbon footprint

Also Published As

Publication number Publication date
CA1042459A (en) 1978-11-14
BE837945A (fr) 1976-05-14
FR2299306A1 (fr) 1976-08-27
NL7600873A (nl) 1976-07-30
FR2299306B1 (xx) 1980-04-18
IT1057065B (it) 1982-03-10
JPS5186437A (ja) 1976-07-29
JPS5744653B2 (xx) 1982-09-22
DE2603173A1 (de) 1976-07-29

Similar Documents

Publication Publication Date Title
GB1540242A (en) Process for the hydroformylation of olefines
CS188273B2 (en) Process for preparing 2-oxo-4-quinolylalkanoic acids
JPS51134795A (en) Process for producing diorganopolysiloxane
YU190277A (en) Process for producing methacrolein
GB1554901A (en) Process for the manufacutre of -20 - ketosteroids
GB1553393A (en) Catalyst for production of -unsaturated carboxylic acids
PT65036B (en) Process for the preparation of n-aryl-anthranilic acids
NL7611409A (nl) Werkwijze ter bereiding van nieuwe fenoxyal- kylcarbonzuren.
JPS51148725A (en) Process for producing 1*44diaminoanthraquinonee2*33 dinitril
JPS525892A (en) Process for producing waterrsoluble or waterrdistributable polyhydoxyl compounds
GB1518881A (en) Process for producing non-blackened phthalic acids from the corresponding tolualdehydes
HU171236B (hu) Sposob poluchenija aril-propionovykh kislot
GB1518901A (en) Process for producing non-blackened phthalic acids from the corresponding tolualdehydes
HU179140B (en) Process for producing new cepheme-carboxylic acids containing alkylsulfonyl-amino-groups
AU502428B2 (en) Hydroformylation process
HU175610B (hu) Sposob poluchenija 6,11-digidro-11-okso-dibenz/b,e/oksehpin-alkanovykh kisloty
HU173576B (hu) Sposob poluchenija zamehhjonnykh fenil-alkil-karbonovykh kislot
GB1551087A (en) Process for making aromatic acids
HU172482B (hu) Sposob poluchenija sul'famoil-benzojnykh kislot
ZA75920B (en) Process for the manufacture of 5-sulfamoyl-anthranilic acids
NL187205C (nl) Werkwijze ter bereiding van onverzadigde carbonzuren.
AU1651876A (en) Hydroformylation process
JPS5231032A (en) Process for manufacturing epoxyalkylphosphone acids
GB1521643A (en) Process for the manufacture of naphthylaminosulphonic acids
IL49492A (en) Process for the production of phenolc resins

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee