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US 5,489,469 AGranted
Absorbent composite
AssigneeKao Corporation
InventorsTakatoshi Kobayashi, Yukihiro Nakano, Zenbei Meiwa, Minoru Nakanishi, Tadashi Matsui
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Abstract
A liquid-absorbent composite comprises (a) a water-absorbent polymer, (b) a water-insoluble inorganic material and (c) a water-insoluble hydrophilic fibrous material at a weight ratio between (a), (b) and (c) in the range of 100:5-1200:5-1200. It is very useful as the absorbent component for a sanitary napkin and a medical pad.
Claims8
A liquid absorbent composite which comprises:
- (a) granules of a water-absorbent polymer;
- (b) a water-insoluble inorganic material;
- and
- (c) water-insoluble hydrophilic fibers having a length of 50 mm or less and wherein (b) and (c) are embedded in or deposited on the surface of said granules;
- and wherein the weight ratio between (a) to (b) to (c) is 100:5-1200:5-1200, respectively.
2 more elements
Dependencies are inferred from the claim text.