US5026589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable sanitary articles
Assignee: Procter and Gamble Co
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Filing: 1990-09-12
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Granted: 1991-06-25
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Expires: 2010-09-12
Abstract
Abstract Disposable sanitary garments comprise topsheet and/or backsheet materials prepared from polymers based on dioxanone. Diapers, sanitary napkins, pantiliners, and the like, prepared from the foregoing materials are disclosed.
Inventors
- 👤 Lee A. Schechtman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:20
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/26; A61F13/15203; A61F13/15252; A61F13/45; A61F13/49; A61F13/49007; A61F13/49009; A61F2013/51002; A61F2013/51023; A61F2013/51035; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/51433; A61F13/53; A61F2013/530007; A61F2013/530036; A61F2013/530043; A61F2013/530481; A61F2013/530795; A61F13/534; A61F2013/53481; A61F13/84; A61F13/8405; A61F2013/8438; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249986; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/126; Y10T442/184; Y10T442/186; Y10T442/30; Y10T442/3854; Y10T442/60; Y10T442/674
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
31 words
A disposable absorbent structure, comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, said structure being characterized in that said backsheet comprises a flexible film comprising a dioxanone-based polymer.
Claim 2
Dependent Claim
31 words
A disposable absorbent structure, comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, said structure being characterized in that said backsheet comprises a flexible film comprising a dioxanone-based polymer.
Claim 3
Dependent Claim
34 words
A structure according to claim 1 wherein the polyester backsheet comprises a co-polymer based on dioxanone and a member selected from the group consisting of glycolic acid or glycolide and lactic acid or lactide.
Claim 4
Dependent Claim
39 words
A disposable absorbent structure, comprising a water-permeable topsheet, an absorbent core and a water-impermeable backsheet, said structure being characterized in that said topsheet comprises a flexible porous sheet or woven or nonwoven web of polymer comprising a dioxanone-based polymer.
Claim 5
Dependent Claim
39 words
A disposable absorbent structure, comprising a water-permeable topsheet, an absorbent core and a water-impermeable backsheet, said structure being characterized in that said topsheet comprises a flexible porous sheet or woven or nonwoven web of polymer comprising a dioxanone-based polymer.
Claim 6
Dependent Claim
33 words
A structure according to claim 3 wherein the topsheet comprises a co-polymer based on dioxanone and a member selected from the group consisting of lactic acid or lactide and glycolic acid or glycolide.
Claim 7
Dependent Claim
17 words
A structure according to claim 3 wherein the topsheet is in the form of a nonwoven web.
Claim 8
Dependent Claim
31 words
A disposable absorbent structure according to claim 1 comprising a water-permeable topsheet, a water-impermeable backsheet, and an absorbent core, said structure being characterized in that said absorbent core comprises oxidized cellulose.
Claim 9
Dependent Claim
31 words
A disposable absorbent structure according to claim 3 comprising a water-permeable topsheet, a water-impermeable backsheet, and an absorbent core, said structure being characterized in that said absorbent core comprises oxidized cellulose.
Claim 10
Dependent Claim
17 words
A structure according to claim 1 wherein both the topsheet and the backsheet comprise a dioxanone-based polymer.
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) | 1994-06-24 | 1994-12-24 | 1995-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-24 | 1998-12-24 | 1999-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-24 | 2002-12-24 | 2003-06-25 | $7700.00 | Window Closed / Lapsed |