Biodegradable submicroscopic particles containing a biologically active substance and compositions containing them
US4329332A · kind A · utility
81Cited by
7References
12Claims
0Family size
Inventors
Key dates
| Filing date | Jul 16, 1979 |
| Grant date | May 11, 1982 |
| Priority date | — |
| Expiry date | Jul 16, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Biodegradable particles, with a diameter smaller than 500 nanometers, formed by the micellar polymerization of an alkyl-cyano-acrylate where the term "alkyl" means a lower alkyl radical having 1 to 4 carbon atoms and containing a biologically active substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.