Patents Assigned to S.R.L. Montedipe
  • Patent number: 5328631
    Abstract: This invention relates to use of polyaminoacids as builders or co-builders in the formulation of detergents. These polyaminoacids, which are highly efficient as complexing agents, have good resistance to heat and stability to pH and are entirely biodegradable, have been chosen among those having the general formula: ##STR1## with substituents which are defined in the following description. The formulations of detergents contain, apart from the above builders, surface active agents, alumina-silicates and additives chosen from neutral salts, enzymes, bleaching agents, stabilizers, anti-foaming agents, perfumes, bactericides.
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: July 12, 1994
    Assignee: S.R.L. Montedipe
    Inventors: Annick Du Vosel, Franco Francalanci, Paola Maggiorotti