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:
Nov. 05, 2024
Filed:
Nov. 06, 2019
Rhodia Operations, Aubervilliers, FR;
Cyril Chomette, Mérignac, FR;
Frédéric Colbeau-Justin, Collonges au Mont d'Or, FR;
Fabien Stocklouser, Francheville, FR;
Cédric Boivin, Chasselay, FR;
Thomas Chaussee, Cailloux-sur-Fontaines, FR;
RHODIA OPERATIONS, Lyons, FR;
Abstract
A precipitated silica having large particle size for use in tire applications. In particular, a precipitated silica characterised by a CTAB surface area Sequal to or greater than 160 m/g; a median particle size d50, measured by centrifugal sedimentation, such that|50|>25000/|| (I) wherein |d50| represents the numerical value of the median particle size d50 measured by centrifugal sedimentation and expressed in nm and |S| represents the numerical value of the CTAB surface area Sexpressed in m/g; and an aluminium content not exceeding 4500 ppm.