Microspheres for incorporation of therapeutic substances and methods of preparation thereof
US4671954A · kind A · utility
172Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1986 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Feb 4, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2984
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel hydrophilic protein or polypeptide microspheres prepared by dispersing an aqueous solution or dispersion of protein or polypeptide in an organic solvent solution of a high molecular weight polymer to form a stabilized dispersion of microspheres and cross-linking said microspheres with a polyfunctional cross-linking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.