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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 158 817 061 patent documents

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138 866 new documents added

722 000 documents amended

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EP 1423352 A1 20040602 - NITRATION OF AROMATIC COMPOUNDS

Title (en)

NITRATION OF AROMATIC COMPOUNDS

Title (de)

NITRIERUNG VON ORGANISCHEN VERBINDUNGEN

Title (fr)

NITRATION DE COMPOSES AROMATIQUES

Publication

EP 1423352 A1 20040602 (EN)

Application

EP 02757138 A 20020815

Priority

CA 2356564 A 20010905
US 0226006 W 20020815

Abstract (en)

[origin: WO03020683A1] Aromatic compounds are mononitrated by reaction with a nitrating agent, preferably nitric acid, in a phosphonium salt ionic liquid.

IPC 1-7

C07C 201/08; C07C 205/06; C07C 205/12; C07C 205/36

IPC 8 full level

C07C 201/08 (2006.01); C07C 205/06 (2006.01); C07C 205/12 (2006.01); C07C 205/37 (2006.01)

CPC (source: EP)

C07C 201/08 (2013.01)

Citation (search report)

See references of WO 03020683A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

DOCDB simple family (publication)

WO 03020683 A1 20030313; CA 2356564 A1 20030305; CN 101426759 A 20090506; EP 1423352 A1 20040602

DOCDB simple family (application)

US 0226006 W 20020815; CA 2356564 A 20010905; CN 02817327 A 20020815; EP 02757138 A 20020815