Patent · US Expired

High-structure precipitated silicas

US7204969B2 · kind B2 · utility

9Cited by

7References

19Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Robert Kuhlmann · Lechenich, DE
Karl Meier · Bornheim, DE

Key dates

Filing date	Nov 26, 2001
Grant date	Apr 17, 2007
Priority date	—
Expiry date	Apr 12, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/90
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A precipitated silica having the following physico-chemical characteristics:

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