| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Bimodulus contact lens comprising a rigid gas-permeable polymeric core section with diam. 7 - 11 mm & soft edge section with width 0.5 - 4 mm attached annularly about core section - Said edge section comprising crosslinked compn polyme rized from monomer mix including > 15 % of monomer: -- CH2=CR-CO2-R'; R = H or Me & R' = 1 - 8 C Alkyl, so long as both cannot be Me & soft edge section is attached to core by IPN wherein said crosslinked compn of edge section has modulus 50 - 700 MPa & wherein core section has modulus 1200 - 2300 MPa |
| PATENT PHOTOCOPY | Available on request |
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