Patents by Inventor Cristina Maria Picco

Cristina Maria Picco 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).

  • Rheology modifier for drilling and well treatment fluids
    Patent number: 9611418
    Abstract: Water in oil emulsion drilling and well treatment fluids comprising an ester of trimer fatty acids and polyoxyethyiene glycol, the polyoxyethyiene glycol having average molecular weight from about (150) to about (600) and the trimer acids having at least about 20% of carboxyl acid groups esterified, as rheology modifier.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: April 4, 2017
    Assignee: LAMBERTI SPA
    Inventors: Cristina Maria Picco, Massimo Cecchetto, Pierangelo Pirovano, Luigi Merli, Giovanni Floridi, Giuseppe Li Bassi