Patent · US Active

Natural amorphous silica filler products

US9834684B2 · kind B2 · utility

2Cited by
39References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 2010
Grant dateDec 5, 2017
Priority date
Expiry dateMar 9, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/64
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Natural amorphous silica filler products featuring high brightness, low oil absorption, fine particle size, and low crystalline silica content are described. Methods for making, using, and measuring the properties of the natural amorphous silica filler products are also described. The natural amorphous silica filler products described herein may be useful in a variety of products including, but not limited to, polymers, sealants, paints, caulks, latex, architectural coatings, industrial coatings, pozzolan, glass catalysts, ceramic glazes, and anti-blocking applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.