Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Patent
1993-08-13
1996-05-28
Azpuru, Carlos
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
424 7804, 424428, 514912, 514975, A01N 2502, A01N 2504, A01N 2534, A61K 3174
Patent
active
055209203
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), Marnett et al.
patent: 4485029 (1984-11-01), Kato et al.
patent: 4911920 (1990-03-01), Jani et al.
patent: 5000868 (1991-03-01), Wittpenn, Jr. et al.
Ali Yusuf
Castillo Ernesto J.
Alcon Laboratories Inc.
Azpuru Carlos
Cheng Julie J. L.
Ryan Patrick M.
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