Anti-inflammatory eye drop
US5929115A · kind A · utility
8Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Jul 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/40
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An anti-inflammatory eye drop comprises PA1 (a) 0.05 to 0.7 weight/volume % of diclofenac sodium; PA1 (b) 1 to 10 weight/volume % of .gamma.-cyclodextrin; PA1 (c) 1 to 20 weight/volume % of polyvinyl pyrrolidone; and PA1 (d) 0.002 to 0.01 weight/volume % of benzethonium chloride or 0.002 to 0.005 weight/volume % of benzalkonium chloride, and has a pH value ranging from 7.0 to 8.5. The anti-inflammatory eye drop may comprise diclofenac sodium in a wide range of concentration, is stable over a long time period and shows only a low degree of ocular irritation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.