Patent ID: 9415373
Filing Date: 2016-08-16
CPC Classification: B01J,B82Y,C01F,C01G,C01P,C10L,C10M,C10N,Y10S

Claim Text:
1. A method of making a structured, doped, cerium oxide nanoparticle, comprising: a. forming a first reaction mixture comprising cerium(III), an optional metal ion other than cerium, a base, a stabilizer, and a solvent; b. contacting said first reaction mixture with an oxidant; c. forming a cerium oxide nanoparticle core by heating the product of step b); d. forming a second reaction mixture by combining with the first reaction mixture one or more metal ions other than cerium, and an optional additional quantity of cerium(III); and e. forming a shell partially or continuously surrounding said core of cerium oxide by heating said second reaction mixture to produce a product dispersion of structured cerium oxide nanoparticles.