Direct coating solid dosage forms using powdered materials
US7862848B2 · kind B2 · utility
3Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Aug 25, 2028 |
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.