A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/42 (2006.01) A61F 13/15 (2006.01) A61L 15/24 (2006.01) A61L 31/04 (2006.01) A61L 31/14 (2006.01) C08F 2/32 (2006.01)
Patent
CA 2208642
Foams capable of absorbing blood and blood-based fluids, especially menses. These absorbent foams have high capillary absorption pressures required of absorbents used in catamenial products, yet have sufficient openness to allow free movement of the insoluble components in blood-based fluids such as menses. These absorbent foams are made by polymerizing high internal phase emulsions (HIPEs) where the volume to weight ratio of the water phase to the oil phase is in the range of from about 20:1 to about 125:1. These foams are particularly useful as absorbent members for catamenial pads.
L'invention porte sur des mousses capables d'absorber le sang ou des fluides à base de sang, notamment celui des règles, présentant de fortes pressions capillaires d'absorption requises des produits de ce type, ainsi qu'une texture suffisamment lâche pour permettre le mouvement libre des composants insolubles desdits fluides. Ces mousses absorbantes s'obtiennent par polymérisation d'émulsions en phase interne élevée dont le rapport volume/poids de la phase aqueuse par rapport à la phase huileuse se trouve compris entre environ 20:1 et 125:1. Ces mousses s'avèrent particulièrement utiles comme éléments absorbants pour tampons périodiques.
Dyer John Collins
Lloyd Susan Nicole
Sim & Mcburney
The Procter & Gamble Company
LandOfFree
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