BR9304716A - Processo para a preparação contínua de misturas isoméricas de dinitrotolueno - Google Patents

Processo para a preparação contínua de misturas isoméricas de dinitrotolueno

Info

Publication number
BR9304716A
BR9304716A BR9304716A BR9304716A BR9304716A BR 9304716 A BR9304716 A BR 9304716A BR 9304716 A BR9304716 A BR 9304716A BR 9304716 A BR9304716 A BR 9304716A BR 9304716 A BR9304716 A BR 9304716A
Authority
BR
Brazil
Prior art keywords
dinitrotoluene
continuous preparation
isomeric mixtures
isomeric
mixtures
Prior art date
Application number
BR9304716A
Other languages
English (en)
Inventor
Thomas Dr Schieb
Gerhard Dr Wiechers
Rudolf Dr Sundermann
Uwe Jens Dr Zarnack
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
Priority claimed from DE4238390A external-priority patent/DE4238390A1/de
Priority claimed from DE4309140A external-priority patent/DE4309140C2/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR9304716A publication Critical patent/BR9304716A/pt

Links

Classifications

    • 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
    • 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
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives
    • 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
BR9304716A 1992-11-13 1993-11-12 Processo para a preparação contínua de misturas isoméricas de dinitrotolueno BR9304716A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238390A DE4238390A1 (de) 1992-11-13 1992-11-13 Verfahren zur Herstellung von Dinitrotoluol
DE4309140A DE4309140C2 (de) 1993-03-22 1993-03-22 Verfahren zur Herstellung von Dinitrotoluol

Publications (1)

Publication Number Publication Date
BR9304716A true BR9304716A (pt) 1994-11-01

Family

ID=25920435

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9304716A BR9304716A (pt) 1992-11-13 1993-11-12 Processo para a preparação contínua de misturas isoméricas de dinitrotolueno

Country Status (10)

Country Link
EP (1) EP0597361B1 (pt)
JP (1) JP3461878B2 (pt)
KR (1) KR100326214B1 (pt)
CN (1) CN1040427C (pt)
BR (1) BR9304716A (pt)
CA (1) CA2102587C (pt)
DE (1) DE59303857D1 (pt)
ES (1) ES2091539T3 (pt)
MX (1) MX9306835A (pt)
TW (1) TW236610B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428460A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Nitroaromaten
DE4428462A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4428459A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4428461A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4437047A1 (de) * 1994-10-17 1996-04-18 Bayer Ag Verfahren zur Dinitrierung von aromatischen Verbindungen
DE19521614A1 (de) * 1995-06-14 1996-12-19 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE19745119A1 (de) * 1997-10-13 1999-04-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol in adiabatischer Fahrweise
DE10307140A1 (de) * 2003-02-20 2004-09-09 Bayer Ag Verfahren zur zweistufigen Herstellung von Dinitrotoluol
US7122701B2 (en) * 2003-06-04 2006-10-17 Bayer Aktiengesellschaft Process for preparing aromatic amines
DE10345601A1 (de) * 2003-09-29 2005-05-12 Basf Ag Verfahren zur Entfernung von Nitrokresolen aus Abwasser der Mononitrotoluolherstellung und zur weiteren Verwendung des Extraktes
DE102004005913A1 (de) 2004-02-05 2005-08-25 Basf Ag Verfahren zur Herstellung von Dinitrotoluol
WO2009002734A1 (en) * 2007-06-27 2008-12-31 H R D Corporation System and process for production of nitrobenzene
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
DE102010006984A1 (de) * 2010-02-05 2011-08-11 Bayer MaterialScience AG, 51373 Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
JP2014520086A (ja) 2011-05-24 2014-08-21 ビーエーエスエフ ソシエタス・ヨーロピア バイオマスからポリイソシアナートを製造する方法
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
DE102017110084B4 (de) 2017-02-03 2019-07-04 Josef Meissner Gmbh & Co. Kg Verfahren und Anlage zur adiabatischen Nitrierung von Aromaten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256999A (en) * 1939-03-08 1941-09-23 Du Pont Nitration of organic compounds
FR1372978A (fr) * 1963-10-31 1964-09-18 Du Pont Fabrication en continu du m-dinitrobenzène
US3928475A (en) * 1974-08-09 1975-12-23 Du Pont Azeotropic nitration of benzene
US4021498A (en) * 1975-12-09 1977-05-03 American Cyanamid Company Adiabatic process for nitration of nitratable aromatic compounds
US4091042A (en) * 1977-08-19 1978-05-23 American Cyanamid Company Continuous adiabatic process for the mononitration of benzene
JPS5850211B2 (ja) * 1978-08-30 1983-11-09 三井東圧化学株式会社 ジニトロトルエンの製造方法
US5099078A (en) * 1990-12-21 1992-03-24 Olin Corporation Process for preparing dinitrotoluene

Also Published As

Publication number Publication date
EP0597361A1 (de) 1994-05-18
CA2102587C (en) 2004-09-14
TW236610B (en) 1994-12-21
CA2102587A1 (en) 1994-05-14
JP3461878B2 (ja) 2003-10-27
KR940011433A (ko) 1994-06-21
ES2091539T3 (es) 1996-11-01
MX186144B (pt) 1997-09-26
KR100326214B1 (ko) 2002-11-18
EP0597361B1 (de) 1996-09-18
DE59303857D1 (de) 1996-10-24
CN1095707A (zh) 1994-11-30
CN1040427C (zh) 1998-10-28
JPH07309814A (ja) 1995-11-28
MX9306835A (es) 1995-01-31

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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.