Patent · US Active

Fluid bed granulation process

US9452398B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Casale SA · CH

Inventor

Gianfranco Bedetti · Milano, IT

Key dates

Filing date	Dec 21, 2007
Grant date	Sep 27, 2016
Priority date	—
Expiry date	Oct 6, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2/16
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Fluid bed granulation process comprising the steps of: —forming a fluid bed of seeds (S1) of a chosen substance, —feeding said fluid bed with a continuous fluid flow (L) comprising a growth liquid, —inducing and maintaining a continuous vortex (V) in said fluid bed, the vortex (V) having a substantially horizontal axis, characterized in that said fluid flow (L) is fed into predetermined first zones (Z1) of said fluid bed, said first zones (Z1) being alternated to second zones (Z2) of said fluid bed in which said fluid flow (L) is not fed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.