CA1111032A - Process for the separation of dinitroanthraquinone mixtures - Google Patents

Process for the separation of dinitroanthraquinone mixtures

Info

Publication number: CA1111032A
Authority: CA; Canada
Prior art keywords: dinitroanthraquinone; separation; mixture; nitrobenzene; weight
Prior art date: 1976-08-21
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

CA285,064A

Other languages

English (en)

French (fr)

Inventor

Klaus Wunderlich

Walter Hohmann

Hans-Samuel Bien (Deceased)

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.)

1976-08-21

Filing date

1977-08-19

Publication date

1981-10-20

1977-08-19 Application filed by Bayer AG filed Critical Bayer AG

1981-10-20 Application granted granted Critical

1981-10-20 Publication of CA1111032A publication Critical patent/CA1111032A/en

Status Expired legal-status Critical Current

Links

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CA285,064A 1976-08-21 1977-08-19 Process for the separation of dinitroanthraquinone mixtures Expired CA1111032A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19762637733 DE2637733C3 (de)	1976-08-21	1976-08-21	Verfahren zur Trennung von Dinitroanthrachinon-Gemischen
DEP2637733.3		1976-08-21

Publications (1)

Publication Number	Publication Date
CA1111032A true CA1111032A (en)	1981-10-20

Family

ID=5986033

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA285,064A Expired CA1111032A (en)	1976-08-21	1977-08-19	Process for the separation of dinitroanthraquinone mixtures

Country Status (9)

Country	Link
JP (1)	JPS5325549A (xx)
AT (1)	AT350542B (xx)
BE (1)	BE857926A (xx)
CA (1)	CA1111032A (xx)
CH (1)	CH634038A5 (xx)
DE (1)	DE2637733C3 (xx)
FR (1)	FR2362111A1 (xx)
GB (1)	GB1564373A (xx)
IT (1)	IT1079921B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2458536A2 (fr) *	1978-07-27	1981-01-02	Ugine Kuhlmann	Procede d'obtention d'a,a'-dinitro-anthraquinones de haute purete
FR2432014A1 (fr) *	1978-07-27	1980-02-22	Ugine Kuhlmann	Procede d'obtention d'a,a'-dinitro-anthraquinones de haute purete
DE2854427A1 (de) *	1978-12-16	1980-06-26	Bayer Ag	Verfahren und vorrichtung zur gewinnung von trockenem 1,5- und/oder 1,8- dinitroanthrachinon aus suspensionen, die festes 1,5- und/oder 1,8-dinitroanthrachinon und fluessiges nitrobenzol enthalten
DE3329453A1 (de) *	1983-08-16	1985-03-07	Bayer Ag, 5090 Leverkusen	Verfahren zur gewinnung von reinem 1-nitroanthrachinon
JPH0811251B2 (ja) *	1984-08-18	1996-02-07	愛知製鋼株式会社	冷間ロール成形における過負荷防止装置
NL1035539C1 (nl) *	2008-06-04	2008-06-20	Adriaan Johannes Stoffelen	Een schop met een op een haaienvin lijkend snijdeel dat in een hoek van 90 graden op de schop staat en waarvan de voorkant ongeveer 45 graden bedraagt welke het mogelijk maakt de taraxacum uit de grond te verwijderen zonder het gazon te beschadigen.
US20170350621A1 (en) *	2016-06-06	2017-12-07	Frontline Aerospace, Inc	Secondary solar concentrator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE167699C (xx) *
BE789702A (fr) *	1971-10-07	1973-02-01	Sumitomo Chemical Co	Procede de preparation de dinitroanthraquinones
JPS4976851A (xx) *	1972-12-05	1974-07-24
JPS511709A (en) *	1974-06-25	1976-01-08	Mitsubishi Heavy Ind Ltd	Renzokusokoshijono itotooshihoho
DE2524747C3 (de) *	1975-06-04	1980-12-18	Basf Ag, 6700 Ludwigshafen	Verfahren zur Isolierung von 1,5-/1,8-Dinitroanthrachinon mit einem hohen Gehalt an a , a '-Duutroverbindungen

1976
- 1976-08-21 DE DE19762637733 patent/DE2637733C3/de not_active Expired
1977
- 1977-08-16 CH CH1002877A patent/CH634038A5/de not_active IP Right Cessation
- 1977-08-17 GB GB3451777A patent/GB1564373A/en not_active Expired
- 1977-08-19 BE BE2056176A patent/BE857926A/xx unknown
- 1977-08-19 FR FR7725463A patent/FR2362111A1/fr active Granted
- 1977-08-19 JP JP9879977A patent/JPS5325549A/ja active Granted
- 1977-08-19 IT IT5072077A patent/IT1079921B/it active
- 1977-08-19 AT AT603577A patent/AT350542B/de not_active IP Right Cessation
- 1977-08-19 CA CA285,064A patent/CA1111032A/en not_active Expired

Also Published As

Publication number	Publication date
DE2637733A1 (de)	1978-02-23
FR2362111B1 (xx)	1981-09-04
IT1079921B (it)	1985-05-13
DE2637733C3 (de)	1982-05-06
BE857926A (fr)	1978-02-20
CH634038A5 (en)	1983-01-14
JPS5325549A (en)	1978-03-09
AT350542B (de)	1979-06-11
GB1564373A (en)	1980-04-10
JPS5546382B2 (xx)	1980-11-22
FR2362111A1 (fr)	1978-03-17
DE2637733B2 (de)	1981-07-30
ATA603577A (de)	1978-11-15

Similar Documents

Publication	Publication Date	Title
CA1111032A (en)	1981-10-20	Process for the separation of dinitroanthraquinone mixtures
DE2400164C3 (de)	1978-03-16	Verfahren zur Abtrennung von 1,5-Dinitroanthrachinon und 1,8-Dinitroanthrachinon aus Dinitro-anthrachinongemischen
CN102311348A (zh)	2012-01-11	一种α, α′-二硝基蒽醌的生产、精制方法
US4261908A (en)	1981-04-14	Process for isolating aromatic dinitro compounds
US3818052A (en)	1974-06-18	Process for isolating 1,5-and 1,8-dinitro-anthraquinone from anthraquinone nitration mixtures
US3959318A (en)	1976-05-25	Process for preparing highly pure 5-nitro-1,4,4a,9a-tetrahydroanthraquinone
US4042604A (en)	1977-08-16	Isolation of dinitroanthraquinone having a high content of α,α-d
US3907836A (en)	1975-09-23	Process for purifying anthraquinone
US3798244A (en)	1974-03-19	Process for the production of 1-nitro-anthraquinone substantially free from dinitroantraquinone
US3907838A (en)	1975-09-23	Process for the preparation of pure 1-amino anthraquinone
US3963762A (en)	1976-06-15	Process for producing 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone
US4076734A (en)	1978-02-28	Process for preparing dinitroanthraquinones
US3996252A (en)	1976-12-07	Preparation of pure 1,8-dinitroanthraquinone
US4155921A (en)	1979-05-22	Process for the isolation of 1,6- and 1,7-dinitroanthraquinone
US4021456A (en)	1977-05-03	Process for the manufacture of aminoanthraquinones
US4307021A (en)	1981-12-22	Process for obtaining 1,5-dinitro-anthraquinone of high purity
CA1037037A (en)	1978-08-22	Process for the preparation of 1,5- and 1,8-dinitroanthraquinone
US4259248A (en)	1981-03-31	Process for the preparation of mixtures of dinitroanthraquinones with a high content of 1,5- and 1,8- dinitroanthraquinone
US4031116A (en)	1977-06-21	Process for preparing pure 1-nitroanthraquinone
US4307022A (en)	1981-12-22	Process for obtaining α,α'-dinitro anthraquinones of high purity
US3996251A (en)	1976-12-07	Preparation of pure 1,5-dinitroanthraquinone
DE2517436C3 (de)	1978-01-26	Verfahren zur Gewinnung von 1,5-Dinitroanthrachinon aus Dinitroanthrachinon-Gemischen
US2765348A (en)	1956-10-02	Process for the separation of 2, 6-dinitrotoluene from its admixture with 2, 4-dinitrotoluene
US4179450A (en)	1979-12-18	Process for the preparation of 1-acylamino-5(8)-chloroanthraquinones
US4342701A (en)	1982-08-03	Process for the preparation of 4,5-dinitro-1,8-dihydroxyanthraquinone

Legal Events

Date	Code	Title	Description
1998-10-20	MKEX	Expiry