Molded polymeric object with wettable surface made from latent-hydrophilic monomers
US5779943A · kind A · utility
71Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Mar 19, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2823/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention provides a molded polymeric object, partially or completely coated with a hydrophilic polymer which provides a wettable surface to the molded object such as a contact lens. It also provides a process for using latent-hydrophilic monomers to make molded objects with wettable surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.