EP 1028937 A1 20000823 - METHOD FOR PRODUCING AROMATIC NITRO COMPOUNDS
Title (en)
METHOD FOR PRODUCING AROMATIC NITRO COMPOUNDS
Title (de)
VERFAHREN ZUR HERSTELLUNG AROMATISCHER NITROVERBINDUNGEN
Title (fr)
PROCEDE DE PRODUCTION DE COMPOSES NITRES AROMATIQUES
Publication
Application
Priority
- DE 19748360 A 19971103
- DE 19808748 A 19980302
- EP 9806688 W 19981021
Abstract (en)
[origin: US6242657B1] In the reaction of aromatic compounds with nitrating acids comprising HNO3 and, if appropriate, H2SO4 and/or H2O and/or H3PO4 to form aromatic nitro compounds, according to the invention an amount of from 0.5 to 20,000 ppm of one or more surface-active substances from the group of the anionic, cationic, zwitterionic or nonionic surface-active substances is added to the reaction mixture.
IPC 1-7
C07C 201/08; C07C 205/06; C07C 205/12; C07B 43/02; C07C 209/76
IPC 8 full level
C07B 43/02 (2006.01); C07B 61/00 (2006.01); C07C 201/08 (2006.01); C07C 205/06 (2006.01); C07C 205/12 (2006.01); C07C 209/76 (2006.01); C07C 211/52 (2006.01)
CPC (source: EP US)
C07B 43/02 (2013.01 - EP US); C07C 201/08 (2013.01 - EP US)
C-Set (source: EP US)
Designated contracting state (EPC)
AT BE CH DE ES FI FR GB IE IT LI NL PT SE
DOCDB simple family (publication)
US 6242657 B1 20010605; AU 1031599 A 19990524; AU 741332 B2 20011129; BR 9814108 A 20001003; CA 2308288 A1 19990514; CN 1277601 A 20001220; EP 1028937 A1 20000823; HU P0100200 A2 20010528; HU P0100200 A3 20020328; ID 24977 A 20000831; IL 135402 A0 20010520; JP 2001521920 A 20011113; MX PA00003884 A 20010101; NO 20002247 D0 20000428; NO 20002247 L 20000428; PL 340030 A1 20010115; SK 6202000 A3 20010118; TW 466223 B 20011201; WO 9923061 A1 19990514
DOCDB simple family (application)
US 53020400 A 20000426; AU 1031599 A 19981021; BR 9814108 A 19981021; CA 2308288 A 19981021; CN 98810539 A 19981021; EP 9806688 W 19981021; EP 98952730 A 19981021; HU P0100200 A 19981021; ID 20000826 A 19981021; IL 13540298 A 19981021; JP 2000518938 A 19981021; MX PA00003884 A 20000419; NO 20002247 A 20000428; PL 34003098 A 19981021; SK 6202000 A 19981021; TW 87118011 A 19981030