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:
Aug. 28, 2007
Filed:
Jan. 10, 2006
Applicant:
Filippi Ermanno, Castagnola, CH;
Inventor:
Filippi Ermanno, Castagnola, CH;
Assignee:
Ammonia Casale S.A., Lugano Besso, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for effecting mass transfer between a liquid phase and a gaseous phase in a filled-type column comprising an external shell which accommodates at least one filler-containing basket wherethrough the phases are caused to flow in countercurrent relationship, advantageously comprises the step of feeding the gaseous phase to the at least one basket through a gas-permeable surface thereof which is larger than the basket cross-section, preferably in a prevailing radial flow direction.