Back to results
US 2004/0019129 A1Published application
Preparation of ophthalmic compositions
AssigneesAST Products, Inc., Ophthalmic Research Associates, Inc.
InventorsShih-Horng Su, Min-Shyan Sheu
Life of this patent
Estimating the term…
Abstract
A method of preparing a polymeric demulcent-containing ophthalmic composition. The method includes immersing a polymeric demulcent in water or in an aqueous solution containing one or more ingredients, agitating the water or solution at 25 to 45° C. until the polymeric demulcent is dissolved to form a polymeric demulcent-containing solution, and optionally adding one or more other ingredients to the polymeric demulcent-containing solution.
Claims25
A method of preparing a polymeric demulcent-containing ophthalmic composition, said method comprising:
- immersing a polymeric demulcent in water or in an aqueous solution containing one or more ingredients,
- agitating the water or solution at 25 to 45° C. until the polymeric demulcent is dissolved to form a polymeric demulcent-containing solution, and
- optionally adding one or more other ingredients to the polymeric demulcent-containing solution.
Dependencies are inferred from the claim text.