Patents by Inventor Luca Perrone

Luca Perrone 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).

  • Patent number: 7909927
    Abstract: Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: March 22, 2011
    Assignee: Lamberti Spa
    Inventors: Giampietro Margheritis, Eva Baldaro, Luca Perrone, Giuseppe Li Bassi
  • Publication number: 20100307381
    Abstract: Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.
    Type: Application
    Filed: January 15, 2009
    Publication date: December 9, 2010
    Inventors: Giampietro Margheritis, Eva Baldaro, Luca Perrone, Giuseppe Li Bassi