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.
Patent No.:
Date of Patent:
Jan. 06, 2026
Filed:
Jun. 23, 2021
Applicant:
Topsoe A/s, Kgs. Lyngby, DK;
Inventor:
Jens Henrik Hyldtoft, Skibby, DK;
Assignee:
TOPSOE A/S, Kgs. Lyngby, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 38/60 (2006.01); B01J 6/00 (2006.01); B01J 21/06 (2006.01); B01J 23/755 (2006.01); B01J 35/55 (2024.01); B01J 37/08 (2006.01); B01J 37/18 (2006.01); B01J 38/02 (2006.01); B01J 38/62 (2006.01); C01B 3/38 (2006.01); C01B 3/40 (2006.01); C01B 32/40 (2017.01);
U.S. Cl.
CPC ...
B01J 38/60 (2013.01); B01J 6/001 (2013.01); B01J 21/066 (2013.01); B01J 23/755 (2013.01); B01J 37/08 (2013.01); B01J 37/18 (2013.01); B01J 38/02 (2013.01); B01J 38/62 (2013.01); C01B 3/388 (2013.01); C01B 3/40 (2013.01); C01B 32/40 (2017.08); B01J 35/55 (2024.01); B01J 2235/15 (2024.01); C01B 2203/0233 (2013.01);
Abstract
The invention relates to a method of regenerating the catalytic activity of a spent catalyst comprising nickel on a refractory oxide support, said method comprising the steps of contacting the spent catalyst with a nitric acid solution, heat-treating the spent catalyst, calcining and reducing the catalyst.