Injectable and swellable microspheres for dermal augmentation
US6436424B1 · kind B1 · utility
72Cited by
20References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2000 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Mar 20, 2020 |
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.