Patents by Inventor Serge Ghilardi

Serge Ghilardi 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).

  • Rapid hydraulic binder comprising a calcium salt
    Patent number: 9776919
    Abstract: A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm2/g, from 2.5 to 8% of sulphate expressed by mass of SO3 relative to the mass of clinker, from 1.5 to 10% of calcium nitrite and/or calcium nitrate expressed as anhydrous mass relative to the mass of clinker and from 15 to 50% of a mineral addition including calcium carbonate by mass relative to the total mass of binder.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: October 3, 2017
    Assignee: LAFARGE
    Inventors: Serge Sabio, Serge Ghilardi, Xiaolin Pardal, Michel Testud
  • Inerting process for impurities
    Patent number: 9624129
    Abstract: An inerting process for impurities in aggregates intended for preparation of hydraulic or hydrocarbon compositions, includes adding to the composition or to one of its constituents a cationic polymer corresponding to at least one derivative of a natural polymer or a polymer of natural origin selected from the group including dextrin (in particular yellow dextrin and white dextrin), chitosan, chitin, alginates, hemicellulose, pectin, polyols or proteins.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: April 18, 2017
    Assignee: LAFARGE
    Inventors: Lê-Chiên Hoang, Serge Ghilardi
  • RAPID HYDRAULIC BINDER COMPRISING A CALCIUM SALT
    Publication number: 20150107492
    Abstract: A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm2/g, from 2.5 to 8% of sulphate expressed by mass of SO3 relative to the mass of clinker, from 1.5 to 10% of calcium nitrite and/or calcium nitrate expressed as anhydrous mass relative to the mass of clinker and from 15 to 50% of a mineral addition including calcium carbonate by mass relative to the total mass of binder.
    Type: Application
    Filed: May 21, 2013
    Publication date: April 23, 2015
    Inventors: Serge Sabio, Serge Ghilardi, Xiaolin Pardal, Michel Testud
  • Rapid binder compositions containing a calcium salt for concrete components and structures
    Patent number: 8366825
    Abstract: The invention concerns a fast binder comprising; cement; at least one superplasticizer; calcium nitrite; and at least one formic derivative. The invention also concerns concrete mixtures obtained from said binder and methods for making same.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: February 5, 2013
    Assignees: Chryso, Lafarge
    Inventors: Serge Sabio, Bruno Pellerin, Christophe Levy, Serge Ghilardi
  • INERTING PROCESS FOR IMPURITIES
    Publication number: 20120216723
    Abstract: An inerting process for impurities in aggregates intended for preparation of hydraulic or hydrocarbon compositions, includes adding to the composition or to one of its constituents a cationic polymer corresponding to at least one derivative of a natural polymer or a polymer of natural origin selected from the group including dextrin (in particular yellow dextrin and white dextrin), chitosan, chitin, alginates, hemicellulose, pectin, polyols or proteins.
    Type: Application
    Filed: October 12, 2010
    Publication date: August 30, 2012
    Applicant: LAFARGE
    Inventors: Lê-Chiên Hoang, Serge Ghilardi
  • Adjuvant for hydraulic compositions
    Patent number: 7935748
    Abstract: The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: May 3, 2011
    Assignee: Lafarge SA
    Inventors: Sébastien Georges, Emmanuel Villard, Olivier Watt, Serge Ghilardi
  • Rapid Binder Compositions Containing a Calcium Salt for Concrete Components and Structures
    Publication number: 20080308013
    Abstract: The invention concerns a fast binder comprising; cement; at least one superplasticizer; calcium nitrite; and at least one formic derivative. The invention also concerns concrete mixtures obtained from said binder and methods for making same.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 18, 2008
    Applicants: CHRYSO, LAFARGE
    Inventors: Serge Sabio, Bruno Pellerin, Christophe Levy, Serge Ghilardi
  • Adjuvant for Hydraulic Compositions
    Publication number: 20080300344
    Abstract: The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.
    Type: Application
    Filed: February 2, 2007
    Publication date: December 4, 2008
    Inventors: Sebastien Georges, Emmanuel Villard, Olivier Watt, Serge Ghilardi
  • Superplasticisers Having Silane Functions
    Publication number: 20080085952
    Abstract: The invention concerns the use of a polymer comprising a hydrocarbon chain, silyl side groups and polyalkylated groups as additive for hydraulic binders. The invention also concerns an additive for hydraulic binders comprising said polymer, and a method for fluidizing and maintaining workability of mineral particle suspensions, and in particular of hydraulic binder compositions.
    Type: Application
    Filed: October 4, 2005
    Publication date: April 10, 2008
    Inventors: Ariane Touati, Serge Ghilardi, David Rinaldi, Sebastien Georges