×

Reinforced precipitated silica

  • US 5,094,829 A
  • Filed: 06/21/1990
  • Issued: 03/10/1992
  • Est. Priority Date: 06/21/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. Reinforced amorphous precipitated silica having, on a coating-free and impregnant-free basis, a surface area of from about 220 to about 340 square meters per gram, a pore diameter at the maximum of the volume pore size distribution function of from about 9 to about 20 nanometers, and a total intruded volume of from about 2.6 to about 4.4 cubic centimeters per gram.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×