Hydrogel compositions for the controlled release administration of growth factors
US6331309A · kind A · utility
36Cited by
11References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1999 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Sep 3, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions and methods are disclosed for the controlled release delivery of polypeptide growth factors. The compositions of the invention are hydrogels which comprise: a polypeptide growth factor having at least one region of positive charge; a physiologically acceptable water-miscible anionic polymer; a physiologically acceptable non-ionic polymeric viscosity controlling agent; and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.