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:
Jul. 21, 2026
Filed:
Dec. 21, 2021
Yara International Asa, Oslo, NO;
Ruud Van Belzen, Terneuzen, NL;
Filip Colpaert, Zwijnaarde, BE;
Francois Ledoux, Cormeilles en Parisis, FR;
YARA INTERNATIONAL ASA, Oslo, NO;
Abstract
A method for the manufacture of a homogeneous, solid, particulate, urea-based composition including urea and an additive in a urea production plant including at least an evaporator section and a particulation section, further including one or more of a mixing section, an effluent gas treatment section and a scrubber solution storage section, including the steps of: (i) concentrating a urea melt of about 80 weight % to about 95 to 99 weight % of urea: (ii) particulating a urea or urea-based melt into a urea or urea-based composition; (iii) mixing the urea melt of about 95 to 99 weight % with other fertilizer components to produce a urea-based melt; (iv) treating the effluent gas from the particulation section including urea-based dust particles and ammonia gas with water to produce a scrubber solution; and (v) storing the scrubber solution from the effluent gas treatment section.