Back to results
US 4,645,698 AGranted
Dehydrating and water-retaining sheet
AssigneeShowa Denko K.K.
InventorMamoru Matsubara
Life of this patent
Estimating the term…
Abstract
A dehydrating and water-retaining sheet comprising a water-absorbing agent, a wetting agent having a water-absorbing property, and a water-permeable membrane, in which the water-absorbing agent and the wetting agent are at least partially wrapped together in the water-permeable membrane.
Claims6
A dehydrating and water-retaining sheet comprising
- (a) a water-absorbing agent comprising a polymeric material capable of forming a hydrous gel,
- (b) a wetting agent having a water-absorbing property, and
- (c) a water-permeable membrane, in which the water-absorbing agent (a) and the wetting agent (b) are at least partially wrapped in the water-permeable membrane (c).
Dependencies are inferred from the claim text.