Apparatus for continuous granulation of powder material
US11850567B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2020 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Aug 18, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2948/92723
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A co-rotating twin screw processor for preparing dry granules including an input zone having one or more powder feeders for feeding an input material into the processor, a steam feeder configured to introduce steam as a granulation activating agent in to the processor, a granulation zone for granulating the input material in the presence of steam to form granules, a controller configured to control operation and feed rate of at least one of the powder feeder or the steam feeder such that 2.5 to 5 percent w/w of the steam with respect to the input material is available for granulation, and a discharge zone haring a non-extruding opening for collecting dry granules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.