Patents by Inventor Isabelle Sgro

Isabelle Sgro 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).

  • Fast hydraulic binder for parts and constructions made of concrete containing a calcium salt
    Patent number: 8992680
    Abstract: A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: March 31, 2015
    Assignee: LAFARGE
    Inventors: Serge Sabio, David Rinaldi, Jean-Michel Laye, Isabelle Sgro, Horacio Naranjo, Bruno Pellerin, Pascal Boustingorry
  • Use of at least one cellulose ether to reduce plastic shrinkage and/or cracking in concrete
    Patent number: 8282732
    Abstract: A method includes adding in a concrete composition at least one cellulose ether having either, a degree of substitution of methoxy radicals (DSM); or a degree of substitution (DS) comprised from 1.17 to 2.33 to reduce plastic shrinkage and/or reduce plastic cracking in concrete.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: October 9, 2012
    Assignee: Lafarge
    Inventors: Constantinos Xenopoulos, Isabelle Sgro
  • Fast Hydraulic Binder for Parts and Constructions Made of Concrete Containing A Calcium Salt
    Publication number: 20120041103
    Abstract: A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 16, 2012
    Applicants: CHRYSO, LAFARGE
    Inventors: Serge SABIO, David Rinaldi, Jean-Michel Laye, Isabelle Sgro, Horacio Naranjo, Bruno Pellerin, Pascal Boustingorry
  • USE OF AT LEAST ONE CELLULOSE ETHER TO REDUCE PLASTIC SHRINKAGE AND/OR CRACKING IN CONCRETE
    Publication number: 20110203488
    Abstract: A method includes adding in a concrete composition at least one cellulose ether having either, a degree of substitution of methoxy radicals (DSM); or a degree of substitution (DS) comprised from 1.17 to 2.33 to reduce plastic shrinkage and/or reduce plastic cracking in concrete.
    Type: Application
    Filed: July 10, 2009
    Publication date: August 25, 2011
    Inventors: Constantinos Xenopoulos, Isabelle Sgro