Patent · US Active

Process for reducing the sulphur content of anatase titania and the so-obtained product

US11135570B2 · kind B2 · utility

0Cited by

6References

5Claims

0Family size

Assignee

VENATOR GERMANY GMBH · DE

Inventors

Ralf Becker · Langen, DE
Regina Optehostert · Moers, DE
Rolf Wittenberg · Neukirchen-Vluyn, DE

Key dates

Filing date	Jun 2, 2017
Grant date	Oct 5, 2021
Priority date	—
Expiry date	Oct 21, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G2/33
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An anatase titanium dioxide includes at least one compound selected from oxides of Si, Al, and Zr in an amount of 2-50% b.w., calculated as oxides, of a total weight of the oxides, and a sulfur content of less than 150 ppm based on the total weight of the oxides.

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