2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43721The aim of this paper is to discuss what sort of baryon-number violating process arise on the supersymmetric versions of the model based on the gauge group $SU(3)_C}\otimes SU(3)_{L}\otimes U(1)_{N}$. We discuss the mechanism of baryon number violation which induces proton decay, and derive bounds on the relevant couplings.17 pages, 9 figures. submited to European Physical JournalHigh Energy Physics - Phenomenologytext