Hot melt fragmentation extruder and process
US9956709B2 · kind B2 · utility
2Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2014 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Mar 31, 2035 |
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.