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.

Date of Patent:
Dec. 16, 2025

Filed:

May. 17, 2022
Applicant:

Rhodia Operations, Lyons, FR;

Inventors:

Marie Plissonneau, Lyons, FR;

Réka Toth, Saint-Genis-Laval, FR;

Thierry Le Mercier, Rosny-sous-Bois, FR;

Valérie Buissette, Paris, FR;

Lauriane D'Alencon, Issy-les-Moulineaux, FR;

Assignee:

RHODIA OPERATIONS, Lyons, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); C09K 3/14 (2006.01); H01L 21/3105 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); C09K 3/1436 (2013.01); H01L 21/31053 (2013.01);
Abstract

The invention relates to cerium based core-shell particles having a core of cerium oxide optionally doped with at least one metal (M) and a shell consisting of a plurality of nanoparticles of cerium oxide optionally doped with at least one metal (M'), which can be the same or different from metal (M), formed on the surface of the core particle. The invention also relates to dispersions thereof in a liquid medium, to a process for producing the same and to the use of these particles and dispersions in polishing applications such as chemical mechanical polishing.


Find Patent Forward Citations

Plissonneau, Marie. (2025). Liquid dispersion and powder of cerium based core-shell particles, process for producing the same and uses thereof in polishing (U.S. Patent No. 12497541). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12497541

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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