The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2006
Filed:
Jun. 06, 2001
Applicants:
Yvonick Chevallier, Fontaines St-Martin, FR;
Adrien Dromard, Lyons, FR;
Pierre-yves Lahary, Lyons, FR;
Céline Marcandelli, Paris, FR;
Inventors:
Yvonick Chevallier, Fontaines St-Martin, FR;
Adrien Dromard, Lyons, FR;
Pierre-Yves Lahary, Lyons, FR;
Céline Marcandelli, Paris, FR;
Assignee:
Rhodia Chimie, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/00 (2006.01); A61K 8/21 (2006.01);
U.S. Cl.
CPC ...
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 μm determined by ultrasound-free laser diffraction, a residual anion rate, expressed in sodium sulphate, less than 5 wt. %.