Direct coating solid dosage forms using powdered materials
US8161904B2 · kind B2 · utility
2Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2010 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Dec 3, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2893
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a method and apparatus for dry coating solid dosage forms. The method includes the steps of placing solid dosage forms in a rotatable, electrically grounded housing, and spraying a film forming polymer powder composition into the housing during rotation thereof to form a polymer coating on the solid dosage forms, the polymer powder composition being sprayed using an electrostatic spray gun, and curing the coated solid dosage forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.