Viscoelastic solution
US5366964A · kind A · utility
36Cited by
3References
1Claims
0Family size
Inventors
Key dates
| Filing date | Nov 13, 1989 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Nov 13, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/1808
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A viscoelastic solution including a buffered solution, 0.01-10% chondroitin sulfate, 0.01-10% hydroxypropyl methylcellulose, and 0.01-10% sodium hyaluronate, pH adjusted to 6.0-8.0 at a osmolarity between 200-400 mOsmol/L. The buffered solution can be HEPES buffered minimal essential medium (MEM), phosphate buffered saline (PBS), or buffered balanced salt solution. A cell growth factor or cell growth supplement can also be included in the solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.