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:
Mar. 22, 2022
Filed:
Apr. 30, 2018
Applicant:
Casale SA, Lugano, CH;
Inventors:
Paolo Bertini, Lugano, CH;
Matteo Fumagalli, San Fermo della Battaglia, IT;
Serena Gabbiadini, Milan, IT;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/04 (2006.01); C07C 273/16 (2006.01);
U.S. Cl.
CPC ...
C07C 273/04 (2013.01); C07C 273/16 (2013.01);
Abstract
Plant for the synthesis of urea comprising: a synthesis section (), wherein ammonia () and carbon dioxide () react to give an aqueous solution () containing urea and ammonium carbamate; at least one recovery section fed with said depressurized aqueous solution and in a two-phase state, said recovery section comprising a separator () which processes said two-phase solution; a pre-decomposer (), a decomposer () and a condenser (), wherein the gaseous streams obtained in the separator and in the decomposer are condensed in said condenser of the recovery section.