Patents by Inventor Céline Marcandelli

Céline Marcandelli 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).

  • Use of a high structure and dispersible precipitated silica as a thickening or texturing agent in toothpaste compositions
    Patent number: 7033576
    Abstract: The invention concerns the use, as thickening or texturing agent in toothpaste compositions, of a highly dispersible precipitated silica having a pH of 3.5 to 9, a DOP oil absorption higher than 200 ml/g, a CTAB specific surface area from 70 to 250 m2, a median diameter of at least 20 ?m determined by ultrasound-free laser diffraction, a residual anion rate, expressed in sodium sulphate, less than 5 wt. %.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: April 25, 2006
    Assignee: Rhodia Chimie
    Inventors: Yvonick Chevallier, Adrien Dromard, Pierre-Yves Lahary, Céline Marcandelli
  • Use of a high sturcture and dispersible precipitated silica as a thickening or texturing agent in toothpaste compositions
    Publication number: 20030147816
    Abstract: The invention concerns the use, as thickening or texturing agent in toothpaste compositions, of a highly dispersible precipitated silica having a pH of 3.5 to 9, a DOP oil absorption higher than 200 ml/g, a CTAB specific surface area from 70 to 250 m2, a median diameter of at least 20 &mgr;m determined by ultrasound-free laser diffraction, a residual anion rate, expressed in sodium sulphate, less than 5 wt. %.
    Type: Application
    Filed: November 26, 2002
    Publication date: August 7, 2003
    Inventors: Yvonick Chevallier, Adrien Dromard, Pierre-Yves Lahary, Celine Marcandelli