High refractive index ophthalmic device materials with reduced tack

US8362177B1 · kind B1 · utility

Assignee

• Novartis AG · CH

Inventors

• Chance Lehman · Dallas, US
• Charles Freeman · Kennewick, US
• Walter R. Laredo · Fryeburg, US
• Ali E. Akinay · Mansfield, US
• Joseph I. Weinschenk, III · Fort Worth, US

Key dates

• Filing date: May 4, 2011
• Grant date: Jan 29, 2013
• Expiry date: Jul 1, 2031

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B1/043
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

High refractive index copolymers with reduced tack are disclosed. The copolymers, which are particularly suitable for use as ophthalmic device materials, comprise a benzhydryl methacrylate or benzhydryl methacrylate derivative monomer.