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. 09, 2024
Filed:
Aug. 31, 2021
Casale SA, Lugano, CH;
Leonardo Marrone, Mercallo, IT;
Alberto Benedetti, Como, IT;
Pierdomenico Biasi, Como, IT;
Cristina Pizzolitto, Como, IT;
Casale SA, Lugano, CH;
Abstract
A process for the production of biuret from urea wherein: a urea aqueous solution () withdrawn from the recovery section of a urea plant is processed to remove water and obtain a concentrated urea melt (); said urea melt is processed under biuret-forming conditions to decompose urea into biuret and ammonia and obtain a high-biuret urea melt (); said high-biuret urea melt () is diluted with water or with an aqueous stream obtaining a solution (); the solution () is subject to crystallization and precipitation of a solid phase containing biuret which is separated from the aqueous phase.