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| Number | Title | Issue Date |
| 6107521 | Process for the preparation of secondary amines N,N-disubstituted amines in which the amino nitrogen atom is bound to the carbon atom of an aromatic ring disubstituted in the positions ortho to the carbon atom, are prepared by allowing a primary amine and a compound in which an ortho, ortho-disubstitut... | 08/22/2000 |
