Antimicrobial agent for opthalmic formulations
US5300296A · kind A · utility
37Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1992 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | May 29, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A disinfectant or preservative composition particularly adapted for use in ophthalmic preparations such as contact lens disinfecting, cleaning, cushioning, wetting, soaking and reconditioning solutions and additionally in topical medications and tear substitutes, which uses a hydrophilic polymeric antimicrobial agent, namely poly[oxyethylene(dimethylimino) (ethylene dimethylimino)ethylene dichloride] with additional agents including EDTA and alkali salts thereof and a boric acidborate buffer system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.