Patents by Inventor Francesca Giani

Francesca Giani 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).

  • Clay inhibitors for the drilling industry
    Patent number: 8466092
    Abstract: The hydration of clays in drilling operations can be inhibited by employing a an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: June 18, 2013
    Assignee: Lamberti SpA
    Inventors: Luigi Merli, Francesca Giani, Pierangelo Pirovano, Giovanni Floridi, Giuseppi Li Bassi
  • CLAY INHIBITORS FOR THE DRILLING INDUSTRY
    Publication number: 20120094877
    Abstract: The hydration of clays in drilling operations can be inhibited by employing a an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
    Type: Application
    Filed: October 12, 2011
    Publication date: April 19, 2012
    Applicant: LAMBERTI SPA
    Inventors: Luigi Merli, Francesca Giani, Pierangelo Pirovano, Giovanni Floridi, Giuseppe Li Bassi