Process for producing controlled drug-release contact lens, and

Details Process for producing controlled drug-release contact lens, and Process for producing controlled drug-release contact lens, and

1998-05-29

2000-02-22

Azpuru, Carlos A.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

5147723, A61F 214, A61K 4730

Patent

active

060277459

ABSTRACT:
A process for producing a controlled drug-release contact lens, containing a first member which forms a front fact of the lens and a second member which forms a rear face of the lens, the first and second members defining a space in the contact lens, which entails a) preparing the first and second members from a non-crosslinked polymer; b) bonding the prepared first and second members by melt pressing; and c) crosslinking the bonded members by hydration treatment, wherein the non-crosslinked polymer is obtained from a polymerizable methoxy silicone compound and another monomer copolymerizable therewith.

REFERENCES:
patent: 4625007 (1986-11-01), Ellis et al.

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