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:
Sep. 03, 2002
Filed:
Nov. 27, 2000
Applicant:
Inventors:
Federico Zardi, Breganzona, CH;
Paolo Silva, Cemernate, IT;
Assignee:
Urea Casale S.A., Lugano-Besso, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 1/000 ;
U.S. Cl.
CPC ...
B01J 1/000 ;
Abstract
A reactor for two-phase reaction, in particular for urea synthesis at high pressure and temperature of the type wherein a co-current flow of a gaseous phase and a liquid phase takes place, comprises a substantially cylindrical vertical external shell ( ) in which is supported a plurality of superimposed horizontal perforated plates ( ) in mutually spaced relationship and at least one opening ( ) for liquid flow being defined in correspondence of each of the perforated plates. Advantageously the openings ( ) for liquid flow are mutually offset so as to obtain a substantially zigzag preferential flow path for the liquid phase in the reactor.