Contraceptive methods and compositions
US4264576A · kind A · utility
8Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1980 |
| Grant date | Apr 28, 1981 |
| Priority date | — |
| Expiry date | Apr 8, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/23
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Introduction of a pharmaceutically acceptable non-toxic cation salt of a sulfoalkyl alkanoate, for example, sodium sulfopropyl dodecanoate, into the uterine lumen or vaginal cavity prevents conception.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.