Silicone-containing macromonomers and low water materials
US5981675A · kind A · utility
204Cited by
17References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Dec 7, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Low water siloxane macromonomer are disclosed. This macromonomer can be copolymerized with unsaturated silicone containing monomers to prepare polymeric materials useful as biomedical devices. These macromonomers are particularly suited for soft contact lens applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.