Patents by Inventor Daniella DE VILLEFORT GROSSI

Daniella DE VILLEFORT GROSSI 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).

  • Process for the preparation of silicate and its use for the preparation of precipitated silica
    Patent number: 11027981
    Abstract: The invention relates to a novel process for the preparation of silicate comprising: reacting rice husk ash with a silicate precursor P1 to obtain a silicate S2 having a SiO2/MxO molar ratio MR2, in which the precursor P1 is either a silicate S1 having a SiO2/MxO molar ratio MR1 such that MR2>MR1, or a mixture of sand with metal hydroxide.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: June 8, 2021
    Assignee: RHODIA OPERATIONS
    Inventors: Philippe Jost, Leo Ricardo Bedore Dos Santos, Daniella De Villefort Grossi
  • NOVEL PROCESS FOR THE PREPARATION OF SILICATE AND ITS USE FOR THE PREPARATION OF PRECIPITATED SILICA
    Publication number: 20180297854
    Abstract: The invention relates to a novel process for the preparation of silicate comprising: reacting rice husk ash with a silicate precursor P1 to obtain a silicate S2 having a SiO2/MxO molar ratio MR2, in which the precursor P1 is either a silicate S1 having a SiO2/MxO molar ratio MR1 such that MR2>MR1, or a mixture of sand with metal hydroxide.
    Type: Application
    Filed: September 30, 2016
    Publication date: October 18, 2018
    Inventors: Philippe JOST, Leo Ricardo BEDORE DOS SANTOS, Daniella DE VILLEFORT GROSSI