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:
Nov. 26, 2024
Filed:
Feb. 14, 2023
Applicant:
Stamicarbon B.v., Sittard, NL;
Inventors:
Johan Albert Arno Van Den Tillaart, Melick, NL;
Eelco Mostert, Heerlen, NL;
Assignee:
STAMICARBON B.V., Sittard, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05C 9/00 (2006.01); C05G 5/23 (2020.01); C07C 273/04 (2006.01); C07C 273/16 (2006.01);
U.S. Cl.
CPC ...
C05C 9/00 (2013.01); C05G 5/23 (2020.02); C07C 273/04 (2013.01); C07C 273/16 (2013.01);
Abstract
A urea plant and urea production process of the stripping type are provided that are adapted for making Diesel Exhaust Fluid (DEF) or precursor thereof in a DEF production unit downstream of a treatment section. The treatment section receives a part of the urea synthesis stream from a reaction zone, in particular bypassing the HP stripper.