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Claims for Patent: 8,858,961

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Claims for Patent: 8,858,961

Title:Compositions containing alpha-2-adrenergic agonist components
Abstract: Compositions useful for improving effectiveness of alpha-2-adrenergic agonist components include carrier components, alpha-2-adrenergic agonist components, solubility enhancing components which aid in solubilizing the alpha-2-adrenergic agonist components. In one embodiment, the alpha-2-adrenergic agonist components include alpha-2-adrenergic agonists. In another embodiment, the solubility enhancing components include carboxymethylcellulose.
Inventor(s): Graham; Richard S. (Irvine, CA), Bakhit; Peter G. (Huntington Beach, CA), Olejnik; Orest (Coto De Caza, CA)
Assignee: Allergan, Inc. (Irvine, CA)
Application Number:12/482,783
Patent Claims: 1. A therapeutically effective aqueous ophthalmic composition for lowering intraocular pressure comprising: a solution containing 0.1% (w/v) of a compound selected from the group consisting of brimonidine, a salt of brimonidine, wherein the solution further comprises an oxy-chloro preservative and carboxymethylcellulose, wherein the composition has a pH between 7.0-8.0.

2. The composition of claim 1 which comprises about 0.1% (w/v) of brimonidine tartrate.

3. The composition of claim 1 which comprises 0.1% (w/v) of brimonidine tartrate.

4. The composition of either of claim 3 wherein the carboxymethyl cellulose enhances the solubility of brimonidine tartrate in solution.

5. The composition of claim 3 wherein the oxy-chloro component is Purite.

6. The composition of claim 3 further comprising boric acid.

7. The composition of claim 3 further comprising sodium borate.

8. The composition of claim 3 further comprising hydrochloric acid.

9. The composition of claim 8 wherein the composition has a pH of 7.4-8.0.
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