Drug – bio-affecting and body treating compositions – Topical body preparation containing solid synthetic organic... – Ophthalmic preparation
Patent
1995-06-07
1996-07-30
Azpuru, Carlos
Drug, bio-affecting and body treating compositions
Topical body preparation containing solid synthetic organic...
Ophthalmic preparation
514912, A61K 3174
Patent
active
055409180
ABSTRACT:
Certain anionic surfactants are used to enhance antimicrobial effectiveness in comfortable, sustained release ophthalmic compositions containing polyelectrolytes, such as carboxyvinyl polymers, polystyrene sulfonic acid polymers and cationic exchange resins, as well as at least one active ingredient.
REFERENCES:
patent: 3275503 (1966-09-01), Mamett et al.
patent: 4485029 (1984-11-01), Kato et al.
patent: 4911920 (1990-03-01), Jani et al.
Ali Yusuf
Castillo Ernesto J.
Alcon Laboratories Inc.
Azpuru Carlos
Cheng Julie J. L.
Ryan Patrick M.
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