BE844271A - PERFECTED PROCESS FOR ISOLATING ANTHRAQUINONE FROM ITS MIXTURES WITH PHTHALIC ANHYDRIDE - Google Patents

PERFECTED PROCESS FOR ISOLATING ANTHRAQUINONE FROM ITS MIXTURES WITH PHTHALIC ANHYDRIDE

Info

Publication number: BE844271A
Authority: BE; Belgium
Prior art keywords: anthraquinone; isolating; mixtures; phthalic anhydride; perfected process
Prior art date: 1975-07-19

Application number

BE2055196A

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.)

1975-07-19

Filing date

1976-07-19

Publication date

1977-01-19

1976-07-19 Application filed filed Critical

1977-01-19 Publication of BE844271A publication Critical patent/BE844271A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/10—Separation; Purification; Stabilisation; Use of additives
- 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)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

BE2055196A 1975-07-19 1976-07-19 PERFECTED PROCESS FOR ISOLATING ANTHRAQUINONE FROM ITS MIXTURES WITH PHTHALIC ANHYDRIDE BE844271A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752532450 DE2532450C3 (en)	1975-07-19	1975-07-19	Process for the production of anthraquinone

Publications (1)

Publication Number	Publication Date
BE844271A true BE844271A (en)	1977-01-19

Family

ID=5951987

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2055196A BE844271A (en)	1975-07-19	1976-07-19	PERFECTED PROCESS FOR ISOLATING ANTHRAQUINONE FROM ITS MIXTURES WITH PHTHALIC ANHYDRIDE

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2637689C3 (en) *	1976-08-21	1980-09-25	Bayer Ag, 5090 Leverkusen	Process for cleaning swelling organic products
JPS5925771B2 (en) *	1979-08-06	1984-06-21	住友化学工業株式会社	Purification method for high melting point compounds
JPS62193406U (en) *	1986-05-30	1987-12-09
JP3020891U (en) *	1995-07-24	1996-02-06	株式会社光彩工芸	Thai ornament
CN114436796B (en) *	2020-10-19	2024-05-17	中国石油化工股份有限公司	Preparation method of 2-alkylanthraquinone

1975
- 1975-07-19 DE DE19752532450 patent/DE2532450C3/en not_active Expired
1976
- 1976-07-14 CH CH904776A patent/CH605542A5/xx not_active IP Right Cessation
- 1976-07-15 JP JP8360076A patent/JPS5217457A/en active Pending
- 1976-07-16 GB GB2972176A patent/GB1499066A/en not_active Expired
- 1976-07-16 NL NL7607930A patent/NL7607930A/en not_active Application Discontinuation
- 1976-07-19 FR FR7622005A patent/FR2318858A1/en active Granted
- 1976-07-19 BE BE2055196A patent/BE844271A/en unknown

Also Published As

Publication number	Publication date
NL7607930A (en)	1977-01-21
JPS5217457A (en)	1977-02-09
FR2318858B1 (en)	1980-02-29
GB1499066A (en)	1978-01-25
DE2532450B2 (en)	1980-01-17
FR2318858A1 (en)	1977-02-18
CH605542A5 (en)	1978-09-29
DE2532450C3 (en)	1980-09-25
DE2532450A1 (en)	1977-01-20

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