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Following a clean-up exercise of event information regarding (previously) revoked patents, that were later reinstated, some existing revocation events ("Despatch of communication that patent is revoked") were duplicated on 15.04.2019.


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Extract from the Register of European Patents

Citations: EP0854856

Cited inInternational search
Type:Patent literature
Publication No.:EP0372313  [DA]
 (HOECHST AG [DE]) [DA] 1-9 * column W *
Type:Non-patent literature
Publication information:[DA]  - J. F. KNIFTON, "Homogenous Catalyzed Reduction of Nitro Compounds. IV. Selective and Sequential Hydrogenation of Nitroaromatics", JOURNAL OF ORGANIC CHEMISTRY, EASTON US, (19760402), vol. 41, no. 7, pages 1200 - 1205, XP002018366 [DA] 1-9 * the whole document *
Type:Non-patent literature
Publication information:[PDA]  - AHMED M. TAFESH ET AL., "First Selective Reduction of Aromatic Nitro Compounds Using Water Soluble Catalysts", TETRAHEDRON LETTERS, OXFORD GB, (19951218), vol. 36, no. 51, pages 9305 - 9308, XP002018367 [PDA] 1-9 * the whole document *