Ophthalmic oil-in-water type emulsion with stable positive zeta potential
US8372434B2 · kind B2 · utility
8Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2005 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Nov 14, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An ophthalmic oil-in-water type emulsion, which includes colloid particles having an oily core surrounded by an interfacial film, the emulsion including at least one cationic agent, at least one no ionic surfactant, the emulsion having a positive zeta potential and meeting zeta potential stability Test A requirements. Process for making the emulsions. Delivery device selected from the group including lenses, ocular patch, implant, insert, the device containing an emulsion according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.