Amide-functionalized polymerization initiators and their use in the manufacture of ophthalmic lenses

US11912800B2 · kind B2 · utility

Assignee

• Johnson & Johnson Vision Care, Inc. · US

Inventors

• Michael F. Widman · Jacksonville, US
• Ghulam Maharvi · Jacksonville, US
• Shivkumar Mahadevan · Orange Park, US
• Azaam Alli · Jacksonville, US
• Alexander Guzman · Jacksonville, US
• Xin Wei · Jacksonville, US
• Minghan Chen · Pomona Park, US

Key dates

• Filing date: Aug 22, 2022
• Grant date: Feb 27, 2024
• Expiry date: Aug 22, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B1/043
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Provided are compounds that may function as functionalized polymerization initiators, for instance in the manufacture of ophthalmic lenses, and to methods of such manufacture. The compounds are of formula I: wherein R1, R2, R3, R4, R5, T, p, q, and n are as defined herein.