Wettable silicone hydrogel compositions and methods for their manufacture
US5451617A · kind A · utility
239Cited by
41References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1993 |
| Grant date | Sep 19, 1995 |
| Priority date | — |
| Expiry date | Nov 2, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F290/068
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved silicone-containing hydrogels with enhanced wettability comprising at least one silicone-containing prepolymer, and an equimolar amphoteric mixture of acid-containing comonomers and amine-containing comonomers are herein disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.