EP0225593A2
Expired / Lapsed
EP
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Dehumidifying material
Assignee: Kaken Pharmaceutical Co Ltd
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Filing: 1986-12-03
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Granted: —
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Expires: 2006-12-03
Abstract
Abstract A moisture absorbent is sealed between an elastic material and a moisture-permeable film to thereby provide a dehumidifying material having an elastic layer or bed therein. The dehumidifying material may be used in the fields of packing articles such as precision machines and dehydrated food and of dehumidification of bed, cushion, seat cover, locker and the like.
Inventors
- 👤 Yoshio Aoki
- 👤 Masatoshi Saito
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 16:00
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/266; B65D81/267; A; A47; A47C; A47C27/00; A47C27/002; A47C27/005; B01; B01J; B01J20/00; B01J20/28; B01J20/28014; B01J20/28033; B01J20/2805
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
38 words
A dehumidifying material comprising a flexible material, a moisture-permeable film, a moisture absorbent sealed between the flexible material and the moisture-permeable film such that the moisture absorbent may contact at least said moisture-permeable film, and an elastic layer.
Claim 2
Dependent Claim
38 words
A dehumidifying material comprising a flexible material, a moisture-permeable film, a moisture absorbent sealed between the flexible material and the moisture-permeable film such that the moisture absorbent may contact at least said moisture-permeable film, and an elastic layer.
Claim 3
Dependent Claim
29 words
The dehumidifying material according to Claim 1 wherein the flexible material is selected from the group consisting of plastic sheet, metal foil, water-proof paper, water-proof cloth and rubber sheet.
Claim 4
Dependent Claim
38 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent is selected from the group consisting calcium chloride, magnesium chloride, aluminium chloride, lithium chloride, calcium bromide, zinc chloride, phosphorus pentoxide, silica gel, activated alumina and calcium oxide.
Claim 5
Dependent Claim
18 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent comprises deliquescence inorganic salt and water-holding substance.
Claim 6
Dependent Claim
19 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent comprises deliquescence inorganic salt and hygroscopically hardenable substance.
Claim 7
Dependent Claim
21 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent comprises deliquescence inorganic salt, water-holding substance and hygroscopically hardenable substance.
Claim 8
Dependent Claim
13 words
The dehumidifying material according to Claim 1 wherein the moisture-permeable film is water-impervious.
Claim 9
Dependent Claim
16 words
The dehumidifying material according to Claim 1 wherein the elastic layer is defined between moisture-absorbent-receiving zones.
Claim 10
Dependent Claim
24 words
The dehumidifying material according to Claim 1 wherein the elastic layer is defined on a surface of the flexible material away from moisture-absorbent-receiving zones.
Claim 11
Dependent Claim
16 words
The dehumidifying material according to Claim 1 wherein the elastic layer is defined in moisture-absorbent-receiving zones.
Claim 12
Dependent Claim
15 words
The dehumidifying material according to Claim 1 wherein the elastic layer is an air layer.
Claim 13
Dependent Claim
26 words
The dehumidifying material according to Claim 1 wherein the elastic layer is formed by a material selected from the group consisting of foamed plastic and rubber.
Claim 14
Dependent Claim
24 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent is sealed in grooves disposed in mutually spaced-apart relationship on the flexible material.
Claim 15
Dependent Claim
20 words
The dehumidifying material according to Claim 1 wherein the moisture absorbent is sealed in recesses spotted on the flexible material.
Claim 16
Dependent Claim
32 words
The dehumidifying material according to Claim 1 wherein the flexible material is in the form of small-sized piece and the moisture absorbent is sealed onto the flexible material by the moisture-permeable film.
Claim 17
Dependent Claim
11 words
The dehumidifying material according to Claim 1 used in the packaging.
Claim 18
Dependent Claim
10 words
The dehumidifying material according to Claim 1 used in bedding.
Claim 19
Dependent Claim
10 words
The dehumidifying material according to Claim 1 used for panels.
References Cited (Backward Citations)
No citation records indexed.
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