Powder filling processes
US10940276B2 · kind B2 · utility
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2References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 20, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Sep 30, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for filling a plurality of microdepressions in a major surface of a web with finely divided powder in which the web is fed continuously to and through a powder filling stage including a driven roller. A method of manufacturing an elongate carrier with microdepressions containing finely divided powder comprising steps filling a plurality of microdepressions in a major surface of a web as described, removing from upper surface of the web excess powder not filled within the microdepressions and remaining on areas of the surface between the depressions, and optionally slitting and/or cutting the web in width and/or length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.