Tablets with coloured patterns and preparation thereof
US7261939B2 · kind B2 · utility
12Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2002 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Jul 11, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A tablet comprising a core which is at least partially coated with an outer layer obtained by electrostatic deposition of a powder and subsequent fusing of the deposited powder to form a film characterised in that a surface of the tablet coated with said outer layer is contoured to provide higher regions and lower regions, the outer layer having a different colour in said lower regions to the outer layer in said higher regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.