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. 30, 2021
Filed:
Jan. 31, 2017
Applicant:
Casale SA, Lugano, CH;
Inventors:
Andrea Scotto, Breganzona, CH;
Enrico Rizzi, Casnate con Bernate, IT;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); B01J 19/24 (2006.01); C07C 273/04 (2006.01); B01D 3/00 (2006.01); B01D 5/00 (2006.01); C07C 273/16 (2006.01);
U.S. Cl.
CPC ...
C07C 273/04 (2013.01); B01D 3/009 (2013.01); B01D 5/006 (2013.01); B01D 5/0015 (2013.01); B01J 19/006 (2013.01); B01J 19/0053 (2013.01); B01J 19/244 (2013.01); B01J 19/0013 (2013.01); B01J 2219/00078 (2013.01); B01J 2219/00081 (2013.01); B01J 2219/00108 (2013.01); B01J 2219/00159 (2013.01); B01J 2219/00768 (2013.01); B01J 2219/00777 (2013.01); B01J 2219/1943 (2013.01); C07C 273/16 (2013.01); Y02P 20/141 (2015.11);
Abstract
Combined apparatus () for the synthesis of urea from ammonia and carbon dioxide, comprising an internal wall () which delimits two coaxial zones () inside the apparatus, operating respectively as reaction () and condensation () zones, and optionally also comprising a stripping zone and/or a scrubber integrated in the same apparatus.