Patent · US Active

Method for producing silicic acid with variable thickening

US11242259B2 · kind B2 · utility

0Cited by

4References

11Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Christian Schulze Isfort · Kapellen, BE
Rainer Golchert · Darmstadt, DE
Helmut Roth · Mainaschaff, DE
Andreas Hille · Renningen, DE
Kai Schumacher · Hofheim, DE

Key dates

Filing date	Jan 31, 2019
Grant date	Feb 8, 2022
Priority date	—
Expiry date	Jul 10, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01B33/183
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for production of silica having variable thickening wherein

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