Heavy metal salts of hyaluronic acid and their use as antimicrobial agents
US4746504A · kind A · utility
29Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1986 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Mar 14, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Heavy metal salts of hyaluronic acid have been prepared. In particular, this invention is directed to silver, gold, cerium and tungsten salts of hyaluronic acid. These heavy metal salts of hyaluronic acid are useful as antimicrobial agents. Gold hyaluronate may also be used to treat arthritis. This invention also concerns methods of making the silver salt of hyaluronic acid as well as compositions containing silver hyaluronate or gold hyaluronate. The invention also concerns composition containing heavy metal salts having radioactively labelled hyaluronate moieties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.