Quaternary hydroxy-propyl-substituted chitosan derivatives, cosm

Quaternary hydroxyethyl-substituted chitosan derivatives, cosmet

Quaternary imidazolinium phosphite derivatives

Quaternary nitrogen or phosphorus chirates

Quaternary nitrogen-containing phosphonate compounds, pharmaceut

Quaternary oxalkylated polycondensates

Quaternary oxaziridinium salts as bleaching compounds

Quaternary phosphonium salt catalysts in catalytic hydrolysis of

Quaternary phosphonium salts bearing carbamate groups

Quaternary phosphonium salts bearing carbamate groups

Quaternary phosphorus compounds and their preparation

Quaternary piperidinium halides

Quaternary polymers

Quaternary pyrazinium compounds

Quaternary pyridine salts useful for preparation of 4-substitute

Quaternary pyridinium compounds

Quaternary pyridinium compounds

Quaternary pyridinium compounds and uses therefor

Quaternary pyrimidinium compounds

Quaternary reactive compounds