|
| US4375554 | 5 Nov 1981 | 1 Mar 1983 | UBE Industries Ltd. | Process for preparing amidinecarboxylic acids |
| US4492657 | 25 Abr 1983 | 8 Ene 1985 | Hoechst Aktiengesellschaft | Imines of alkyl 4-halomethylbenzoates |
| US4743701 | 10 Dic 1986 | 10 May 1988 | Allied Corporation | Process for the preparation of organo N-hydroxyimidates |
