Preparation of ophthalmic compositions
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United States of America Patent
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Dec 7, 2004
Grant Date -
Jan 29, 2004
app pub date -
Jul 29, 2002
filing date -
Jul 29, 2002
priority date (Note) -
Expired
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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.degree. 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.
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