CA995238A - Continuous production of anthranilic acid - Google Patents

Continuous production of anthranilic acid

Info

Publication number: CA995238A
Authority: CA; Canada
Prior art keywords: continuous production; anthranilic acid; anthranilic; acid; continuous
Prior art date: 1969-10-06
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

CA094,956A

Other languages

English (en)

Other versions

CA94956S (en

Inventor

Hans-Juergen Sturm

Fritz E. Kempter

Herbert Armbrust

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.)

BASF SE

Original Assignee

Badische Anilin and Sodafabrik 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.)

1969-10-06

Filing date

1970-10-06

Publication date

1976-08-17

1969-10-06 Priority claimed from DE19691950281 external-priority patent/DE1950281C3/de

1970-01-08 Priority claimed from DE19702000698 external-priority patent/DE2000698C3/de

1970-10-06 Application filed by Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG

1976-08-17 Application granted granted Critical

1976-08-17 Publication of CA995238A publication Critical patent/CA995238A/en

Status Expired legal-status Critical Current

Links

RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 title 2
238000010924 continuous production Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
- C07D265/12—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
- C07D265/14—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D265/24—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in positions 2 and 4
- C07D265/26—Two oxygen atoms, e.g. isatoic anhydride

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Indole Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

CA094,956A 1969-10-06 1970-10-06 Continuous production of anthranilic acid Expired CA995238A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19691950281 DE1950281C3 (de)	1969-10-06	1969-10-06	Verfahren zur kontinuierlichen Herstellung von Anthranilsäure und/oder Isatosäureanhydrid
DE19702000698 DE2000698C3 (de)	1970-01-08	1970-01-08	Verfahren zur kontinuierlichen Herstellung von Anthranilsäure

Publications (1)

Publication Number	Publication Date
CA995238A true CA995238A (en)	1976-08-17

Family

ID=25757974

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA094,956A Expired CA995238A (en)	1969-10-06	1970-10-06	Continuous production of anthranilic acid

Country Status (9)

Country	Link
US (1)	US3847974A (fr)
JP (1)	JPS5035067B1 (fr)
BE (1)	BE757105A (fr)
CA (1)	CA995238A (fr)
CH (1)	CH558777A (fr)
FR (1)	FR2065044A5 (fr)
GB (1)	GB1316332A (fr)
NL (1)	NL7014678A (fr)
SU (1)	SU446126A3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4082749A (en) *	1973-06-06	1978-04-04	Basf Aktiengesellschaft	Process for the production of amines
DE2800963A1 (de) *	1978-01-11	1979-07-19	Basf Ag	Verfahren zur kontinuierlichen herstellung von anthranilsaeure
DE2815522A1 (de) *	1978-04-11	1979-10-25	Basf Ag	Verfahren zur kontinuierlichen herstellung von anthranilsaeure
US4276433A (en) *	1979-01-10	1981-06-30	Basf Aktiengesellschaft	Continuous preparation of anthranilic acid
DE2902978A1 (de) *	1979-01-26	1980-08-07	Basf Ag	Verfahren zur kontinuierlichen herstellung von isatosaeureanhydrid
US4954639A (en) *	1989-08-28	1990-09-04	Occidental Chemical Corporation	Single pot process for making a fluoroanthranilic acid
RU2187496C1 (ru) *	2001-06-05	2002-08-20	Волгоградское открытое акционерное общество "Химпром"	Способ получения антраниловой кислоты
US6683216B1 (en) *	2002-11-06	2004-01-27	Eastman Chemical Company	Continuous process for the preparation of amines
CN108101800B (zh) *	2018-01-12	2019-02-19	山东聚强化学有限公司	一种邻氨基苯甲酸的合成方法
CN111848541A (zh) *	2020-07-17	2020-10-30	青岛科技大学	一种连续生产靛红酸酐的工艺及装置
CN114014769A (zh) *	2021-12-06	2022-02-08	青岛科技大学	一种连续生产邻氨基苯甲酸的工艺

0
- BE BE757105D patent/BE757105A/fr not_active IP Right Cessation
1970
- 1970-10-02 SU SU1483337A patent/SU446126A3/ru active
- 1970-10-05 GB GB4720070A patent/GB1316332A/en not_active Expired
- 1970-10-05 CH CH1469870A patent/CH558777A/xx not_active IP Right Cessation
- 1970-10-06 FR FR7035981A patent/FR2065044A5/fr not_active Expired
- 1970-10-06 NL NL7014678A patent/NL7014678A/xx unknown
- 1970-10-06 US US00078622A patent/US3847974A/en not_active Expired - Lifetime
- 1970-10-06 JP JP45087178A patent/JPS5035067B1/ja active Pending
- 1970-10-06 CA CA094,956A patent/CA995238A/en not_active Expired

Also Published As

Publication number	Publication date
JPS5035067B1 (fr)	1975-11-13
GB1316332A (en)	1973-05-09
NL7014678A (fr)	1971-04-08
BE757105A (fr)	1971-04-06
US3847974A (en)	1974-11-12
CH558777A (de)	1975-02-14
FR2065044A5 (fr)	1971-07-23
SU446126A3 (ru)	1974-10-05

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