×

POLISHING COMPOSITION

  • US 20130324015A1
  • Filed: 02/20/2012
  • Published: 12/05/2013
  • Est. Priority Date: 02/21/2011
  • Status: Active Grant
First Claim
Patent Images

1. A polishing composition used for polishing a hard and brittle material having a Vickers hardness of 1,500 Hv or higher, comprising at least aluminum oxide abrasive grains and water, wherein the polishing composition has a pH of 8.5 or higher, and wherein the aluminum oxide abrasive grains have a specific surface area of 20 m2/g or less.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×