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:
May. 20, 2025
Filed:
Dec. 03, 2020
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Emmanuelle Allain Najman, L'hay les Roses, FR;
Cédric Feral-Martin, Emerainville, FR;
Pascaline Garbey, Saint Didier Au Mont d'or, FR;
Laurent Guy, Rillieux-la-Pape, FR;
Sylvaine Neveu, Paris, FR;
Caroline Fayolle, Lyons, FR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/193 (2006.01);
U.S. Cl.
CPC ...
C01B 33/193 (2013.01); C01P 2006/12 (2013.01);
Abstract
A precipitated silica containing are least one element M selected from the group consisting of B, Al, Ga and mixtures thereof and characterized by the presence of specific acid sites on its surface and a process for its manufacture. Said precipitated silica is suitable for multiple applications, for instance as catalyst or catalyst support as well as reinforcing filler in polymeric compositions.