Heavy metal salts of hyaluronic acid and their use as antimicrobial agents
US4784991A · kind A · utility
18Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1987 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Mar 9, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/0072
- 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.