Color stabilized hydrogel dressing and process

Details Color stabilized hydrogel dressing and process Color stabilized hydrogel dressing and process

A - Human Necessities

61

L

167/120

A61L 15/00 (2006.01) A61L 26/00 (2006.01)

Patent

CA 1277910

COLOR STABILIZED HYDROGEL DRESSING AND PROCESS Abstract of the Disclosure A polyvinylpyrrolidone(PVP)/Silver Sulfadia- zine (SSD) hydrogel dressing in which the gel is formed by the use of electron beam (E-beam) radiation to cross- link the polyvinylpyrrolidone (PVP); in which the color of the hydrogel dressing has been stabilized by the addition thereto of magnesium trisilicate and, option- ally but preferably, also hydrogen peroxide and/or polyacrylic acid is disclosed; and also the process of stabilizing the color by adding magnesium trisilicate, to a water dispersion of PVP and SSD before it is ex- posed to E-beam radiation is disclosed.

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