Patents by Inventor Paola Maggiorotti

Paola Maggiorotti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyaminoacids as builders for formulations of detergents
    Patent number: 5658872
    Abstract: Polyaminoacid builders or co-builders having the general formula: ##STR1## that are useful in the formulations of detergents are disclosed. Preferred detergent formulations contain from 5 to 50 percent by weight of the polyaminoacid builder, preferably polyaspartic aicd or polyglutamic acid, together with surface-active agents, aluminosilicates and other detergent additives.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: August 19, 1997
    Assignee: Rohm and Haas Company
    Inventors: Annick Du Vosel, Franco Francalanci, Paola Maggiorotti
  • Polyaminoacids as builders for formulations of detergents
    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