BE842524A - Procede d'elimination de 1,4-naphtoquinone de l'anhydride d'acide phtaliques - Google Patents

Procede d'elimination de 1,4-naphtoquinone de l'anhydride d'acide phtaliques

Info

Publication number: BE842524A
Authority: BE; Belgium
Prior art keywords: naphtoquinone; procedure; acid anhydride; phthalic acid; phthalic
Prior art date: 1975-06-03

Application number

BE2055088A

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.)

1975-06-03

Filing date

1976-06-03

Publication date

1976-12-03

1976-06-03 Application filed filed Critical

1976-12-03 Publication of BE842524A publication Critical patent/BE842524A/fr

Links

FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 title 1
LGRFSURHDFAFJT-UHFFFAOYSA-N phthalic anhydride Chemical compound C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives

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)

BE2055088A 1975-06-03 1976-06-03 Procede d'elimination de 1,4-naphtoquinone de l'anhydride d'acide phtaliques BE842524A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752524478 DE2524478C3 (de)	1975-06-03	1975-06-03	Verfahren zur Beseitigung von 1,4-Naphthochinon aus Phthalsäureanhydrid

Publications (1)

Publication Number	Publication Date
BE842524A true BE842524A (fr)	1976-12-03

Family

ID=5948074

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2055088A BE842524A (fr)	1975-06-03	1976-06-03	Procede d'elimination de 1,4-naphtoquinone de l'anhydride d'acide phtaliques

Country Status (2)

Country	Link
BE (1)	BE842524A (fr)
DE (1)	DE2524478C3 (fr)

1975
- 1975-06-03 DE DE19752524478 patent/DE2524478C3/de not_active Expired
1976
- 1976-06-03 BE BE2055088A patent/BE842524A/fr unknown

Also Published As

Publication number	Publication date
DE2524478C3 (de)	1979-06-07
DE2524478A1 (de)	1976-12-09
DE2524478B2 (de)	1978-10-12

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