SUSPENSIONS OF NANOPARTICLES, CONTAINING CARBOXYVINYL POLYMER Russian patent published in 2015 - IPC A61K9/10 A61K31/165 A61K47/02 A61K47/36 A61P27/02 

Abstract RU 2571078 C2

FIELD: medicine.

SUBSTANCE: ophthalmological composition of water-based suspension for local application contains caboxylvinyl polymer in concentration from 0.1 to 0.5% (wt/vol), galactomannan in concentration from 0.1 to 0.4% (wt/vol), borate in concentration from 0.4 to 2.0% (wt/vol) and sparingly soluble compound in form of particles, representing nepafenacum in concentration from 0.25 to 0.35% (wt/vol). Said compound possesses water solubility at 25°C from 0.001 to 0.1% (wt/vol) and particle size from 50 to 70 nm.

EFFECT: support of composition viscosity in introduction into eye and good bioavailability of sparingly soluble active substances.

17 cl, 2 tbl, 5 dwg, 4 ex

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RU 2 571 078 C2

Authors

Chovkhan Masud A.

Gkhosh Malaj

Asgkharian Bakhram

Khan Uehsli Vekhsin

Dates

2015-12-20Published

2010-12-01Filed