Patent US3828783A successfully refreshed from Google Patents.
US3828783A
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US
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Absorbent facing material
Assignee: Johnson and Johnson
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Filing: 1973-05-24
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Granted: 1974-08-13
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Expires: 1993-05-24
Abstract
Abstract An absorbent facing material comprising 10 to 30 percent cellulosic, staple length, textile fibers, 60 to 80 percent of fluff wood pulp, and 5 to 25 percent of a resin binder material. The cellulosic fibers are substantially only on one surface of the material and the wood pulp substantially only on the opposite surface. The binder is distributed in a predetermined pattern with the surface containing the cellulosic fibers having a higher concentration of binder than the surface containing the wood pulp fibers.
Inventors
- 👤 J Kennette
- 👤 I Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:21
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/539; A61F13/15577; A61F13/15617; A61F13/15642; A61F13/51; A61F13/511; A61F13/51121; A61F13/513; A61F13/534; A61F13/537; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; A61F13/20; A61F13/2002; A61F13/202; A61F2013/15821; A61F2013/51002; A61F2013/51038; A61F2013/51042; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/530131; A61F2013/53445; A61F13/53708; A61F2013/53721; A61F2013/53908; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
17 words
An absorbent facing according to claim 1 wherein the cellulosic staple length textile fibers are rayon fibers.
Claim 2
Dependent Claim
17 words
An absorbent facing according to claim 1 wherein the resin binder is a self cross-linking acrylic resin.
Claim 3
Dependent Claim
131 words
An absorbent product comprising an absorbent core and an absorbent facing contacting at least one surface of said core, said absorbent facing weighing at least 1 ounce per square yard and comprising 10 to 30 percent cellulosic, staple length textile fibers, 60 to 80 percent fluff wood pulp, and from 5 to 25 percent of a resin binder, said facing having the textile fibers only on one surface thereof and said wood pulp substantially only on the opposite surface thereof, said facing having the resin binder distributed in an intermittent pattern over the surface containing the textile fibers, the concentration of binder being greater on the textile fiber surface than it is on the wood pulp surface and said facing having the wood pulp surface in contact with the absorbent core.
Claim 4
Dependent Claim
17 words
A sanitary napkin according to claim 4 wherein said absorbent facing is wrapped about the absorbent core.
Claim 5
Dependent Claim
31 words
A disposable diaper according to claim 4 wherein the absorbent facing contacts one surface of said absorbent core and a water repellent film contacts the opposite surface of said absorbent core.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |