Amphiphilic block copolymers

US8071696B2 · kind B2 · utility

Assignee

• Novartis AG · CH

Inventors

• Thomas Hirt · Rebstein, CH
• Jacalyn Marie Schremmer · Atlanta, US
• Troy Vernon Holland · Suwanee, US
• Dieter Lohmann · Münchenstein, CH

Key dates

• Filing date: Apr 28, 2011
• Grant date: Dec 6, 2011
• Expiry date: Apr 28, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/42
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to novel crosslinkable copolymers of formulawherein the variables are as defined in the claims. The copolymers of the invention are especially useful for the manufacture of biomedical moldings, for example ophthalmic moldings such as in particular contact lenses.