Injectable and swellable microspheres for dermal augmentation
US6790456B2 · kind B2 · utility
67Cited by
22References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Feb 5, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to injectable compositions comprising biocompatible, swellable, hydrophilic, non-toxic and substantially spherical microspheres microspheres and a biocompatible carrier for use in dermal augmentation. The present invention further relates to methods of dermal augmentation, particularly for the treatment of skin contour deficiencies, using the injectable compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.