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:
Feb. 11, 2014
Filed:
Dec. 18, 2008
Brant U. Kolb, Afton, MN (US);
Danny B. Anderson, North St. Paul, MN (US);
Robert S. Davidson, Bloomington, MN (US);
Mark J. Hendrickson, Minneapolis, MN (US);
James J. Leach, Cottage Grove, MN (US);
Taun L. Mckenzie, Hugo, MN (US);
Brant U. Kolb, Afton, MN (US);
Danny B. Anderson, North St. Paul, MN (US);
Robert S. Davidson, Bloomington, MN (US);
Mark J. Hendrickson, Minneapolis, MN (US);
James J. Leach, Cottage Grove, MN (US);
Taun L. McKenzie, Hugo, MN (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
A method of preparing zirconia-containing nanoparticles and a method of preparing a composite material that includes the zirconia-containing nanoparticles are provided. A method of treating a zirconium carboxylate salt solution to remove alkali metal ions and alkaline earth ions is provided. The treated solution can be used as a feedstock to prepare the zirconia-containing nanoparticles. Additionally, a continuous hydrothermal reactor system is provided that can be used, for example, to prepare the zirconia-containing nanoparticles.