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Mechanically Strong and Transparent or Translucent Composites Made Using Zirconium Oxide Nanoparticles: 6,194,481

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Abstract: 

Zirconium oxide nanoparticles having at least some surface acid sites functionalized with a silanating agent and at least some surface acid sites finctionalized with zirconate or a zircoaluminate. The nanoparticles are useful in composites comprising photopolymerizable alkene matrix monomers, and are primarily suitable for dental and medical restoration.

Patent Number: 
6,194,481
Date Of Issue: 
02/26/2001
Inventors: 

Benjamin R. Furman; Stephen T. Wellinghoff; Henry R. Rawls; Hong Dixon; Barry K. Norling

Full Text: 
US Patent and Trademark Office