US4808466A
Expired / Lapsed
US
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Deodorant sheet
Assignee: Daicel Corp
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Filing: 1987-08-12
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Granted: 1989-02-28
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Expires: 2007-08-12
Abstract
Abstract A deodorant sheet effectively comprises a porous base sheet having a coating layer provided thereon the coating layer comprising a resin, a deodorant and a biological activity-inhibiting substance.
Inventors
- 👤 Motoharu Kotani
- 👤 Shinzo Ishikawa
- 👤 Keishi Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:10
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/36; A; A01; A01N; A01N25/00; A01N25/34; A61; A61L; A61L9/00; A61L9/01; A61L9/015; A61L9/04; A61L9/042; D06; D06N; D06N3/00; D06N3/0056; D06N3/0059; D06N3/0063; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10S428/907; Y10S428/913; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T442/00; Y10T442/20; Y10T442/2525
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
69 words
A deodorant sheet, which comprises, a porous base sheet having a coating layer provided thereon, wherein the coating layer comprises 1 to 30 g per 1 m 2 of a deodorant, 0.03 to 1 g per 1 m 2 of a biological activity-inhibiting substance and a resin in an amount of 1 to 5 times as much as the total weight of the deodorant and the biological activity-inhibiting substance.
Claim 2
Dependent Claim
69 words
A deodorant sheet, which comprises, a porous base sheet having a coating layer provided thereon, wherein the coating layer comprises 1 to 30 g per 1 m 2 of a deodorant, 0.03 to 1 g per 1 m 2 of a biological activity-inhibiting substance and a resin in an amount of 1 to 5 times as much as the total weight of the deodorant and the biological activity-inhibiting substance.
Claim 3
Dependent Claim
15 words
The deodorant sheet as claimed in claim 1, wherein the resin is film-forming and water-insoluble.
Claim 4
Dependent Claim
22 words
The deodorant sheet as claimed in claim 1, wherein the deodorant is a multi-valent salt of iron, copper, zinc, manganese or aluminum.
Claim 5
Dependent Claim
26 words
The deodorant sheet as claimed in claim 1, wherein the deodorant is a basic zinc carbonate or ferrous sulfate monohydrate in the form of fine powder.
Claim 6
Dependent Claim
25 words
The deodorant sheet as claimed in claim 1, wherein the porous base sheet is a fibrous material, a porous film or a foamed plastic sheet.
Claim 7
Dependent Claim
33 words
The deodorant sheet as claimed in claim 1, wherein the biological activity-inhibiting substance is in the form of fine particles, insoluble in water, relatively high in heat stability and relatively low in toxicity.
Claim 8
Dependent Claim
35 words
The deodorant sheet as claimed in claim 1, wherein the biological activity-inhibiting substance is selected from at least one member of the group consisting of an antibacterial agent, an antimold agent and a vermin-proof agent.
Claim 9
Dependent Claim
26 words
The deodorant sheet as claimed in claim 1, wherein the biological activity-inhibiting substance is an anti-fungal agent selected from the group consisting of N-(fluorodichloromethylthio)-phthalimide and N,N-dimethyl-N'-phenyl-N'-(fluorodichloromethylthio)sulfamide.
Claim 10
Dependent Claim
25 words
The deodorant sheet as claimed in claim 1, wherein the resin is selected from the group consisting of olefin copolymers, acrylic resins, and synthetic rubbers.
Claim 11
Dependent Claim
55 words
The deodorant sheet as claimed in claim 1, wherein the deodorant is a basic zinc carbonate or a ferrous sulfate monohydrate powder, the antimold and the antibacterial agent is an N-(fluorodichloro-methylthio)-phthalimide powder, the porous sheet material is a woven fabric made of a polyester staple fiber, and the coating resin is an acrylic copolymer emulsion.
Claim 12
Dependent Claim
15 words
The deodorant sheet as claimed in claim 1, wherein the deodorant is adsorptive and reactive.
Claim 13
Dependent Claim
23 words
The deodorant sheet as claimed in claim 1, wherein the coating layer contains a uniform blend of resin, deodorant and biological activity-inhibiting substance.
Claim 14
Dependent Claim
91 words
A deodorant sheet which comprises a porous base sheet having a coating layer provided thereon, wherein the coating layer comprises 1 to 30 per 1 m 2 of a deodorant, 0.03 to 1 g per 1 m 2 of a biological activity-inhibiting substance and a resin in an amount of 1 to 5 times as much as the total weight of the deodorant and the biological activity-inhibiting substance and wherein the deodorant is adsorptive and reactive and the coating layer contains a uniform blend of resin, deodorant and biological activity-inhibiting substance.
Claim 15
Dependent Claim
91 words
A deodorant sheet which comprises a porous base sheet having a coating layer provided thereon, wherein the coating layer comprises 1 to 30 per 1 m 2 of a deodorant, 0.03 to 1 g per 1 m 2 of a biological activity-inhibiting substance and a resin in an amount of 1 to 5 times as much as the total weight of the deodorant and the biological activity-inhibiting substance and wherein the deodorant is adsorptive and reactive and the coating layer contains a uniform blend of resin, deodorant and biological activity-inhibiting substance.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |