Nova Patents
EP1510557A3

Metal oxide nanoparticles

Abstract

Treated metal oxide nanoparticles are prepared from sols prepared from metal alkoxides and organosilanes. The treated nanoparticles are useful high refractive index additives in the manufacture of optical articles.

Term

Term ended

Projected expiry passed 26 August 2024, 2.1 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

Every citation, both ways

Citations
DocumentRelationOfficeCategoryCited duringRelevant claims
EP1092757A1CitesEuropean Patent Office (EPO)ASearch report1,2,5,8-10
JP2003054951ACitesJapanASearch report1,2,8,9
US5411761ACitesUnited States of AmericaASearch report1,2,9,10
US5604071ACitesUnited States of AmericaASearch report1,2,4,9,10