Free-radical scavenger containing viscoelastic composition,...

Details Free-radical scavenger containing viscoelastic composition,... Free-radical scavenger containing viscoelastic composition,...

A - Human Necessities

61

L

A61L 31/04 (2006.01)

Patent

CA 2560943

The present invention is directed to a viscoelastic composition comprising an aqueous solution having a minimum of about 0.01%w/v and a maximum of about 20%w/v of a viscoelastic polymer based upon the total volume of the viscoelastic composition. Typically, the viscoelastic composition further contains tris[hydroxymethyl]aminomethane and a polyol (for example sorbitol). The present invention also includes methods of use of the new viscoelastic composition and a packaging device.

L'invention concerne une composition viscoélastique qui comprend une solution aqueuse ayant au minimum environ 0,01 % en poids/volume et au maximum environ 20 % en poids/volume d'un polymère viscoélastique en fonction du volume total de la composition viscoélastique. D'une manière générale, la composition viscoélastique contient également du tris[hydroxyméthyl]aminométhane et un polyol (par exemple, du sorbitol). L'invention concerne également des méthodes d'utilisation de la nouvelle composition viscoélastique et un dispositif de conditionnement.

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