FR2318858A1 - Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avec l'anhydride phtalique - Google Patents

Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avec l'anhydride phtalique

Info

Publication number
FR2318858A1
FR2318858A1 FR7622005A FR7622005A FR2318858A1 FR 2318858 A1 FR2318858 A1 FR 2318858A1 FR 7622005 A FR7622005 A FR 7622005A FR 7622005 A FR7622005 A FR 7622005A FR 2318858 A1 FR2318858 A1 FR 2318858A1
Authority
FR
France
Prior art keywords
anthraquinone
isolating
mixtures
phthalic anhydride
perfected process
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.)
Granted
Application number
FR7622005A
Other languages
English (en)
French (fr)
Other versions
FR2318858B1 (xx
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2318858A1 publication Critical patent/FR2318858A1/fr
Application granted granted Critical
Publication of FR2318858B1 publication Critical patent/FR2318858B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00Preparation of quinones
    • C07C46/10Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/573Separation; 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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7622005A 1975-07-19 1976-07-19 Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avec l'anhydride phtalique Granted FR2318858A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752532450 DE2532450C3 (de) 1975-07-19 1975-07-19 Verfahren zur Gewinnung von Anthrachinon

Publications (2)

Publication Number Publication Date
FR2318858A1 true FR2318858A1 (fr) 1977-02-18
FR2318858B1 FR2318858B1 (xx) 1980-02-29

Family

ID=5951987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622005A Granted FR2318858A1 (fr) 1975-07-19 1976-07-19 Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avec l'anhydride phtalique

Country Status (7)

Country Link
JP (1) JPS5217457A (xx)
BE (1) BE844271A (xx)
CH (1) CH605542A5 (xx)
DE (1) DE2532450C3 (xx)
FR (1) FR2318858A1 (xx)
GB (1) GB1499066A (xx)
NL (1) NL7607930A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362107A1 (fr) * 1976-08-21 1978-03-17 Bayer Ag Procede pour la purification de produits organiques de point de fusion eleve

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5925771B2 (ja) * 1979-08-06 1984-06-21 住友化学工業株式会社 高融点化合物の精製法
JPS62193406U (xx) * 1986-05-30 1987-12-09
JP3020891U (ja) * 1995-07-24 1996-02-06 株式会社光彩工芸 タイ飾り
CN114436796B (zh) * 2020-10-19 2024-05-17 中国石油化工股份有限公司 2-烷基蒽醌的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362107A1 (fr) * 1976-08-21 1978-03-17 Bayer Ag Procede pour la purification de produits organiques de point de fusion eleve

Also Published As

Publication number Publication date
FR2318858B1 (xx) 1980-02-29
DE2532450C3 (de) 1980-09-25
JPS5217457A (en) 1977-02-09
NL7607930A (nl) 1977-01-21
DE2532450B2 (de) 1980-01-17
CH605542A5 (xx) 1978-09-29
BE844271A (fr) 1977-01-19
DE2532450A1 (de) 1977-01-20
GB1499066A (en) 1978-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse