Method for producing zirconia colloids

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United States of America Patent

PATENT NO 9802174
SERIAL NO

14655667

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Abstract

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The present invention pertains to a method for producing a colloidal suspension of zirconia particles, comprising the following successive steps: a) subjecting a mixture of zirconium oxychloride and an alkali metal halide in an aqueous solvent to hydrothermal treatment at a temperature above 150° C., so as to obtain a suspension in the form of a two-phase mixture comprising a slurry and a supernatant, b) without first peptizing it, desalting said suspension so as to form a colloidal suspension of zirconia.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE);SHANGHAI UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leclaire, Yves Charenton-le-Pont, FR 20 212
Panchout, Xavier Charenton-le-Pont, FR 2 5
Pega, Stephanie Charenton-le-Pont, FR 7 13
Shi, Liyi Shanghai, CN 11 15
Wang, Zhuyi Shanghai, CN 5 7
Yuan, Shuai Shanghai, CN 56 42
Zhao, Jian Singapore, SG 393 4886
Zhao, Yin Shanghai, CN 107 316

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