BE838647A - Procede pour empecher le noircissement d'acide phtalique - Google Patents

Procede pour empecher le noircissement d'acide phtalique

Info

Publication number: BE838647A
Authority: BE; Belgium
Prior art keywords: blackening; preventing; phthalic acid; phthalic; acid
Prior art date: 1975-02-18

Application number

BE164392A

Other languages

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.)

1975-02-18

Filing date

1976-02-17

Publication date

1976-06-16

1976-02-17 Application filed filed Critical

1976-06-16 Publication of BE838647A publication Critical patent/BE838647A/fr

Links

XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 title 2

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)

BE164392A 1975-02-18 1976-02-17 Procede pour empecher le noircissement d'acide phtalique BE838647A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50020090A JPS5198234A (en)	1975-02-18	1975-02-18	Futarusanno kokushokukaoboshisuruhoho

Publications (1)

Publication Number	Publication Date
BE838647A true BE838647A (fr)	1976-06-16

Family

ID=12017395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE164392A BE838647A (fr)	1975-02-18	1976-02-17	Procede pour empecher le noircissement d'acide phtalique

Country Status (9)

Country	Link
US (1)	US4214100A (fr)
JP (1)	JPS5198234A (fr)
BE (1)	BE838647A (fr)
CA (1)	CA1049552A (fr)
DE (1)	DE2605363C3 (fr)
FR (1)	FR2301507A1 (fr)
GB (1)	GB1508241A (fr)
IT (1)	IT1057191B (fr)
NL (1)	NL179903C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55145637A (en) *	1979-05-02	1980-11-13	Teijin Hercules Kk	Preparation of aromatic carboxylic acid or its methyl ester
JPH03112526A (ja) *	1989-09-28	1991-05-14	Matsushita Electric Ind Co Ltd	野菜切り機
JPH08325197A (ja) *	1995-05-30	1996-12-10	Mitsubishi Gas Chem Co Inc	テレフタル酸の製造方法
CA2343309A1 (fr)	1998-09-10	2000-03-23	Ramzi Yanni Saleh	Procede de fabrication d'aldehydes aromatiques a partir de liquides ioniques
CN113214078A (zh) *	2021-05-26	2021-08-06	宜兴市阳洋塑料助剂有限公司	一种利用对苯二甲酸生产废料回收制备对苯二甲酸二辛酯的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2963509A (en) *	1958-03-10	1960-12-06	Mid Century Corp	Process for oxidation of mono-alkyl benzene
JPS5136258B1 (fr) *	1963-04-02	1976-10-07
US3595908A (en) *	1966-11-01	1971-07-27	Inst Francais Du Petrole	Two-step oxidation of paraxylene for the production of terephthalic acid
DE2154147C3 (de) *	1970-11-01	1978-03-16	Maruzen Oil Co., Ltd., Osaka (Japan)	Verfahren zur Herstellung von Terephthalsäure

1975
- 1975-02-18 JP JP50020090A patent/JPS5198234A/ja active Granted
1976
- 1976-02-02 GB GB4044/76A patent/GB1508241A/en not_active Expired
- 1976-02-11 DE DE2605363A patent/DE2605363C3/de not_active Expired
- 1976-02-12 CA CA245,578A patent/CA1049552A/fr not_active Expired
- 1976-02-13 IT IT67334/76A patent/IT1057191B/it active
- 1976-02-17 NL NLAANVRAGE7601600,A patent/NL179903C/xx not_active IP Right Cessation
- 1976-02-17 BE BE164392A patent/BE838647A/fr not_active IP Right Cessation
- 1976-02-17 FR FR7604303A patent/FR2301507A1/fr active Granted
1977
- 1977-12-05 US US05/857,709 patent/US4214100A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE2605363B2 (de)	1978-10-26
JPS5628897B2 (fr)	1981-07-04
GB1508241A (en)	1978-04-19
FR2301507B1 (fr)	1979-02-02
US4214100A (en)	1980-07-22
DE2605363A1 (de)	1976-08-26
NL7601600A (nl)	1976-08-20
IT1057191B (it)	1982-03-10
NL179903C (nl)	1986-12-01
JPS5198234A (en)	1976-08-30
NL179903B (nl)	1986-07-01
FR2301507A1 (fr)	1976-09-17
CA1049552A (fr)	1979-02-27
DE2605363C3 (de)	1979-07-12

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Legal Events

Date

Code

Title

Description

1992-08-31

RE

Patent lapsed

Owner name: MITSUBISHI GAS CHEMICAL CY INC.

Effective date: 19920228