Film containing compositions
US9744112B2 · kind B2 · utility
7Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2011 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Dec 16, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described herein are compositions comprising a film, wherein the film comprises a pigment, and is adapted to release the pigment at a specific point in time during use; and methods of making and using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.