[go: up one dir, main page]

BR9503610A - Processo contínuo para a produçao de misturas isomeros de dinitrololueno - Google Patents

Processo contínuo para a produçao de misturas isomeros de dinitrololueno

Info

Publication number
BR9503610A
BR9503610A BR9503610A BR9503610A BR9503610A BR 9503610 A BR9503610 A BR 9503610A BR 9503610 A BR9503610 A BR 9503610A BR 9503610 A BR9503610 A BR 9503610A BR 9503610 A BR9503610 A BR 9503610A
Authority
BR
Brazil
Prior art keywords
dinitrololuene
production
continuous process
isomer mixtures
isomer
Prior art date
Application number
BR9503610A
Other languages
English (en)
Inventor
Uwe Klingler
Thomas Schieb
Gerhard Wiechers
Juergen Dr Zimmermann
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR9503610A publication Critical patent/BR9503610A/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9503610A 1994-08-11 1995-08-10 Processo contínuo para a produçao de misturas isomeros de dinitrololueno BR9503610A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4428459A DE4428459A1 (de) 1994-08-11 1994-08-11 Verfahren zur Herstellung von Dinitrotoluol

Publications (1)

Publication Number Publication Date
BR9503610A true BR9503610A (pt) 1996-04-30

Family

ID=6525452

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9503610A BR9503610A (pt) 1994-08-11 1995-08-10 Processo contínuo para a produçao de misturas isomeros de dinitrololueno

Country Status (10)

Country Link
US (1) US5679873A (pt)
EP (1) EP0696570B1 (pt)
JP (1) JP3631812B2 (pt)
KR (1) KR100357406B1 (pt)
CN (1) CN1075051C (pt)
BR (1) BR9503610A (pt)
CA (1) CA2155559A1 (pt)
DE (2) DE4428459A1 (pt)
ES (1) ES2111994T3 (pt)
TW (1) TW499408B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745119A1 (de) * 1997-10-13 1999-04-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol in adiabatischer Fahrweise
DE10304615A1 (de) 2003-02-05 2004-08-19 Bayer Ag Verfahren zur Überwachung und Führung von Nitrierprozessen mit Hilfe von Online-Spektrometern
DE10307140A1 (de) * 2003-02-20 2004-09-09 Bayer Ag Verfahren zur zweistufigen Herstellung von Dinitrotoluol
DE102004005913A1 (de) 2004-02-05 2005-08-25 Basf Ag Verfahren zur Herstellung von Dinitrotoluol
DE102006033722A1 (de) * 2006-07-21 2008-01-24 Bayer Materialscience Ag Verfahren zur Herstellung von Dinitrotoluol
DE102007059513A1 (de) * 2007-12-11 2009-06-18 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung
DE102010038519A1 (de) * 2010-07-28 2012-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung
CN103304421A (zh) * 2013-06-26 2013-09-18 南京理工大学 发烟硫酸-硝酸体系硝化邻硝基甲苯制备二硝基甲苯的方法
CN104016867B (zh) * 2014-06-19 2016-07-06 山东师范大学 1-硝基-3,4:9,10-苝四羧酸酯及1,6(7)-二硝基-3,4:9,10-苝四羧酸酯的合成方法
CN104387388B (zh) * 2014-12-15 2016-09-07 山东师范大学 一种湾位氮杂环3,4:9,10-苝四羧酸二酰亚胺的新型合成方法
CN104513174B (zh) * 2014-12-24 2016-01-06 浙江荣耀生物科技有限公司 一种球痢灵生产过程中的废酸的循环利用工艺及装置
CN110172023A (zh) * 2019-04-04 2019-08-27 清华大学 一种绝热硝化制备单硝基甲苯的方法
CN119613216A (zh) * 2024-12-06 2025-03-14 万华化学(福建)异氰酸酯有限公司 一种甲苯纯化的处理方法及其应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4453027A (en) * 1982-12-10 1984-06-05 Monsanto Company Adiabatic process for the nitration of halobenzenes
US4496782A (en) * 1983-07-08 1985-01-29 Air Products And Chemicals, Inc. Nitric acid recovery by the adiabatic nitration of nitroaromatics with fortified spent acid
DE3409719A1 (de) * 1984-03-16 1985-09-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von dinitrotoluol
US4650912A (en) * 1985-03-26 1987-03-17 Air Products And Chemicals, Inc. Recovery of nitric acid from nitration spent acid by toluene extraction
DE69026590T2 (de) * 1990-01-04 1996-10-31 Nrm Int Tech Nitrierungsverfahren
TW236610B (en) * 1992-11-13 1994-12-21 Bayer Ag Preparation of dinitrotoluene
DE4309140C2 (de) * 1993-03-22 2001-09-20 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol

Also Published As

Publication number Publication date
US5679873A (en) 1997-10-21
KR960007528A (ko) 1996-03-22
JP3631812B2 (ja) 2005-03-23
EP0696570B1 (de) 1998-01-14
DE59501267D1 (de) 1998-02-19
EP0696570A1 (de) 1996-02-14
TW499408B (en) 2002-08-21
CA2155559A1 (en) 1996-02-12
CN1075051C (zh) 2001-11-21
JPH0859562A (ja) 1996-03-05
DE4428459A1 (de) 1996-02-15
KR100357406B1 (ko) 2003-01-15
ES2111994T3 (es) 1998-03-16
CN1121066A (zh) 1996-04-24

Similar Documents

Publication Publication Date Title
BR9508618A (pt) Processo integrado para a produção de lacteto
BR9406590A (pt) Processo para a produção de gelatina
PT770615E (pt) Processo para a preparacao de di-haloazolopirimidinas
BR9400616A (pt) Processo para a preparação de 1,1,1,4,4,4-hexafluorbuteno-2
BR9509510A (pt) Tapete e processo contínuo para a produção do mesmo
BR9608282A (pt) Processo para a produção de uma hidroxialamida
BR9509842A (pt) Processo para produção de fosgênio
BR9501223A (pt) Processo para a produçao de membranas compósitas
BR9302950A (pt) Processo para a producao de polifenil poliisocianatos de polimetileno
BR9500613A (pt) Processo para a preparação contínua de mononitrotoluenos
BR9704250A (pt) Processo para a produção de borracha nitrílica
PT770687E (pt) Processo para a producao de nicotinamida
BR9500668A (pt) Processo para a preparaçao de compostos polialquil-1-oxa- diazaspirodecano
BR9406236A (pt) Processo para a produção de difluoro-metano
BR9503610A (pt) Processo contínuo para a produçao de misturas isomeros de dinitrololueno
BR9203799A (pt) Processo para a producao de diritromicina
BR9610807A (pt) Processo para fabricação de uma company
BR9400604A (pt) Processo para a preparação de 1,1,1,3,3-pentafluorpropano
BR9201894A (pt) Processo de uma etapa para a producao de siloxanas
BR9305223A (pt) Processo para produzir azadiractina
BR9503611A (pt) Processo para a produçao contínua de compostos nitroaromáticos
BR9505251A (pt) Processo para a fabricação de um composto e composto obtido
BR9401308A (pt) Processo para a produção de derivados de fenol ortoisopropilatados
BR9612457A (pt) Processo para a fabricação de felodipina
BR9804873A (pt) Processo para a produ-Æo de ironas

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time