Powder filling processes
US10022508B2 · kind B2 · utility
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41References
18Claims
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Key dates
| Filing date | Mar 18, 2015 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Jun 18, 2035 |
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.