Injectable compositions, nanoparticles useful therein, and process of manufacturing same
US4107288A · kind A · utility
228Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1975 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Sep 9, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2989
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Particles in the size range from about 10 to about 1000 nm, preferably less than about 500 nm, which comprise a crosslinked matrix of macromolecules of natural origin. A biologically or pharmacodynamically active material may be supported on or incorporated into the matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.