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:
Feb. 06, 2018
Filed:
Dec. 06, 2011
Applicant:
Gianfranco Bedetti, Lugano-Besso, CH;
Inventor:
Gianfranco Bedetti, Lugano-Besso, CH;
Assignee:
Casale SA, Lugano-Besso, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 273/02 (2006.01); C05C 9/00 (2006.01); C05G 3/00 (2006.01);
U.S. Cl.
CPC ...
C07C 273/02 (2013.01); C05C 9/005 (2013.01); C05G 3/0058 (2013.01);
Abstract
A process for preparation of a granular urea product by granulating a urea solution in a fluidized bed, where the granulation process takes place along a substantially longitudinal growth path, from a granulation starting end () to a product discharge end () of said fluidized bed, and said urea solution enters the fluidized bed by means of several urea inputs () taken from a main urea feed (), where an additive () is mixed with said urea solution said additive has a non-uniform concentration in said urea inputs, so that at least two of said urea inputs have a different concentration of additive.