Multi-compartment capsule
US10456975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Jun 16, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7174
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of making a capsule comprising a plurality of compartments, the method comprising: initiating extrusion of a filament solution through a filament extruder; laying the filament solution to form a base of the capsule; forming a first compartment in the plurality of compartments, wherein the forming creates a first barrier wall having a first predetermined release time; forming a second compartment in the plurality of compartments, wherein the forming creates a second barrier wall having a second predetermined release time; filling the first compartment with a first material; filling the second compartment with a second material; and sealing the plurality of compartments thereby forming the capsule with a first sealed compartment and a second sealed compartment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.