tericides potentiated with phosphonic acid derivativesUS 3671644 AAbstract An antiseptic composition is described containing a phenolic or quaternary ammonium bactericide and, as a potentiating agent, a water-soluble polyphosphonic acid compound having the formula WHEREIN N IS AN INTEGER FROM 2 TO 3 INCLUSIVE, M is a member selected from the group consisting of hydrogen and cations, and Z is a con