Ophthalmic compositions with an amphoteric surfactant and hyaluronic acid

US8119112B2 · kind B2 · utility

Assignee

• BAUSCH & LOMB INCORPORATED · US

Inventors

• Erning Xia · Penfield, US
• Susan E. Burke · Batavia, US
• Srini Venkatesh · Hudson, US
• Vicki Barniak · Fairport, US

Key dates

• Filing date: Sep 3, 2008
• Grant date: Feb 21, 2012
• Expiry date: Sep 3, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L12/143
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Ophthalmic compositions that comprise 0.1 ppm to 10 ppm of a cationic antimicrobial component selected from the group consisting of biguanides, polymeric biguanides, quaternium ammonium compounds and any one mixture thereof; 0.005 wt. % to 0.15 wt. % of hyaluronic acid; and 0.01 wt. % to 1.0 wt. % of an amphoteric surfactant of general formula I