Hot melt fragmentation extruder and process
US10213948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2018 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Mar 13, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/0035
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A co-rotating twin screw extruder for forming fragments is disclosed. The extruder comprises of an intake zone for receiving one or more excipient(s) suitable for oral dosage or one or more excipient(s) suitable for oral dosage along with one or more active pharmaceutical ingredient, a melt zone for softening at least one excipient to form a viscous mass or melt and a fragmenting zone for fragmenting and cooling the viscous mass into cooled fragments and an extruder outlet for recovering the cooled fragments from the extruder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.