The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 23, 2025

Filed:

Jun. 23, 2023
Applicant:

Kronos International, Inc., Leverkusen, DE;

Inventors:

Thomas Pierau, Leverkusen, DE;

Frank Landwehr, Gladbeck, DE;

Mitja Medved, Leverkusen, DE;

Assignee:

Kronos International, Inc., Leverkusen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G 23/047 (2006.01); C01F 17/10 (2020.01); C01F 17/212 (2020.01); C01G 33/00 (2006.01); C01G 37/02 (2006.01); C01G 45/02 (2025.01); C01G 53/04 (2025.01); C10L 5/48 (2006.01);
U.S. Cl.
CPC ...
C01G 23/0475 (2013.01); C01F 17/10 (2020.01); C01F 17/212 (2020.01); C01G 33/00 (2013.01); C01G 37/02 (2013.01); C01G 45/02 (2013.01); C01G 53/04 (2013.01); C10L 5/48 (2013.01);
Abstract

The invention relates to a method for treating a residue obtained from the chloride process, wherein the residue comprises the components titanium dioxide, coke, an inert metal oxide, and an iron-containing component. Further, the invention refers to the use of this method to separate the components contained in said residue, and to the use of the separated components in the chloride process for obtaining titanium dioxide.


Find Patent Forward Citations

Loading…