BR9307043A - Processo para preparação de dinitro-tolueno - Google Patents

Processo para preparação de dinitro-tolueno

Info

Publication number: BR9307043A
Authority: BR; Brazil
Prior art keywords: dinitro; toluene; preparation
Prior art date: 1992-09-14

Application number

BR9307043A

Other languages

English (en)

Inventor

Allen B Quakenbush

Original Assignee

Olin Corp

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.)

1992-09-14

Filing date

1993-08-30

Publication date

1999-06-29

1993-08-30 Application filed by Olin Corp filed Critical Olin Corp

1999-06-29 Publication of BR9307043A publication Critical patent/BR9307043A/pt

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BR9307043A 1992-09-14 1993-08-30 Processo para preparação de dinitro-tolueno BR9307043A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/944,639 US5245092A (en)	1991-03-15	1992-09-14	Process for preparing dinitrotoluene with low by-product content
PCT/US1993/008135 WO1994006751A1 (en)	1992-09-14	1993-08-30	A process for preparing dinitrotoluene

Publications (1)

Publication Number	Publication Date
BR9307043A true BR9307043A (pt)	1999-06-29

Family

ID=25481784

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9307043A BR9307043A (pt)	1992-09-14	1993-08-30	Processo para preparação de dinitro-tolueno

Country Status (12)

Country	Link
US (1)	US5245092A (pt)
EP (1)	EP0660818B1 (pt)
KR (2)	KR100289593B1 (pt)
CN (1)	CN1053889C (pt)
AU (1)	AU5096293A (pt)
BR (1)	BR9307043A (pt)
CA (1)	CA2144190A1 (pt)
DE (1)	DE69324697T2 (pt)
ES (1)	ES2135486T3 (pt)
RU (1)	RU2100347C1 (pt)
UA (1)	UA27939C2 (pt)
WO (1)	WO1994006751A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5245092A (en) *	1991-03-15	1993-09-14	Olin Corporation	Process for preparing dinitrotoluene with low by-product content
CA2138391A1 (en) *	1992-06-17	1993-12-23	Robert W. Mason	Process for the production of dinitrotoluene
DE4437047A1 (de) *	1994-10-17	1996-04-18	Bayer Ag	Verfahren zur Dinitrierung von aromatischen Verbindungen
US5948944A (en) *	1998-11-18	1999-09-07	Arco Chemical Technology, L.P.	Two-stage dinitrotoluene production process
CN101381311B (zh) *	2007-09-07	2013-01-30	上海睿智化学研究有限公司	5-硝基-2,4-二卤代苯酚类化合物的制备方法
CN101245010B (zh) *	2008-03-08	2011-06-29	西北师范大学	民用二硝基甲苯的制备工艺
CN101445458B (zh) *	2009-01-06	2010-10-06	烟台巨力异氰酸酯有限公司	一种二硝基甲苯相分离方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2362743A (en) *	1943-02-10	1944-11-14	Hercules Powder Co Ltd	Manufacture of dinitrotoluene
US3928395A (en) *	1972-10-05	1975-12-23	Ciba Geigy Ag	Process for the nitration of aromatic compounds
US3957889A (en) *	1975-05-02	1976-05-18	Air Products And Chemicals, Inc.	Selective nitration of aromatic and substituted aromatic compositions
DE2521891B2 (de) *	1975-05-16	1980-02-28	Bayer Ag, 5090 Leverkusen	Verfahren zum Abstoppen von Nitrierungen durch Destillation
US4804792A (en) *	1988-01-28	1989-02-14	Olin Corporation	Nitration of benzene or toluene in a molten nitrate salt
US5001272A (en) *	1988-06-22	1991-03-19	Olin Corporation	Process for the production of dinitrotoluene
US4918250A (en) *	1989-04-21	1990-04-17	Olin Corporation	Process for the production of dinitrotoluene using an inorganic salt as a phase separation agent
US5099078A (en) *	1990-12-21	1992-03-24	Olin Corporation	Process for preparing dinitrotoluene
US5099080A (en) *	1991-03-08	1992-03-24	Olin Corporation	Process for preparing dinitrotoluene
US5245092A (en) *	1991-03-15	1993-09-14	Olin Corporation	Process for preparing dinitrotoluene with low by-product content
US5999078A (en) *	1997-06-09	1999-12-07	Herbert; Edward	Transformer and rectifier module with half-turn secondary windings

1992
- 1992-09-14 US US07/944,639 patent/US5245092A/en not_active Expired - Lifetime
1993
- 1993-08-30 ES ES93920409T patent/ES2135486T3/es not_active Expired - Lifetime
- 1993-08-30 AU AU50962/93A patent/AU5096293A/en not_active Abandoned
- 1993-08-30 EP EP93920409A patent/EP0660818B1/en not_active Expired - Lifetime
- 1993-08-30 KR KR1019950700968A patent/KR100289593B1/ko not_active Expired - Fee Related
- 1993-08-30 DE DE69324697T patent/DE69324697T2/de not_active Expired - Fee Related
- 1993-08-30 UA UA95048337A patent/UA27939C2/uk unknown
- 1993-08-30 CA CA002144190A patent/CA2144190A1/en not_active Abandoned
- 1993-08-30 WO PCT/US1993/008135 patent/WO1994006751A1/en not_active Ceased
- 1993-08-30 KR KR1019950700968A patent/KR950703512A/ko active Granted
- 1993-08-30 BR BR9307043A patent/BR9307043A/pt not_active IP Right Cessation
- 1993-08-30 RU RU9595108602A patent/RU2100347C1/ru active
- 1993-09-13 CN CN93117282A patent/CN1053889C/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR100289593B1 (ko)	2001-05-02
EP0660818A1 (en)	1995-07-05
CA2144190A1 (en)	1994-03-31
EP0660818B1 (en)	1999-04-28
EP0660818A4 (en)	1995-05-23
KR950703512A (ko)	1995-09-20
RU95108602A (ru)	1996-12-27
US5245092A (en)	1993-09-14
DE69324697T2 (de)	1999-09-16
UA27939C2 (uk)	2000-10-16
AU5096293A (en)	1994-04-12
ES2135486T3 (es)	1999-11-01
RU2100347C1 (ru)	1997-12-27
CN1053889C (zh)	2000-06-28
WO1994006751A1 (en)	1994-03-31
CN1087897A (zh)	1994-06-15
DE69324697D1 (de)	1999-06-02

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Legal Events

Date	Code	Title	Description
1999-11-09	FF	Decision: intention to grant
2000-05-16	FG9A	Patent or certificate of addition granted
2010-11-03	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADE(S).
2014-08-26	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 3A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.