Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2005-07-12
2005-07-12
Davis, Brian J. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Reexamination Certificate
active
06916958
ABSTRACT:
Aminobiguanides and the use of same as antimicrobial agents in pharmaceutical compositions are disclosed. The aminobiguanides are useful in the preservation of pharmaceutical compositions, particularly ophthalmic pharmaceutical compositions and compositions for treating contact lenses. The compounds are especially useful for disinfecting contact lenses.
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Dassanayake Nissanke L.
McQueen Nathaniel D.
Park Joonsup
Schlitzer Ronald L.
Alcon Manufacturing Ltd.
Brown Gregg C.
Davis Brian J.
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