US3976074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent article
Assignee: Colgate Palmolive Co
•
Filing: 1975-08-08
•
Granted: 1976-08-24
•
Expires: 1995-08-08
Abstract
Abstract An absorbent article comprising, an absorbent pad having a mass of hydrophilic fibers and a matrix of a comminuted hydrophobic material dispersed in the interfiber spaces defined by the fibers throughout at least a portion of the pad.
Inventors
- 👤 Harry G. Fitzgerald
- 👤 Donald Patience
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:05
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/531; A61F13/15577; A61F13/15617; A61F13/1565; A61F13/532; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/225; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D21; D21H; D21H27/00; D21H5/00; D21H5/26
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
60 words
A disposable absorbent article for body contact to absorb body fluids comprising, an absorbent pad having a mass of hydrophilic fibers and a matrix of a comminuted hydrophobic material dispersed in interfiber spaces defined by said fibers throughout at least a portion of said pad, with at least a portion of said hydrophobic material comprising a fused comminuted thermoplastic material.
Claim 2
Dependent Claim
60 words
A disposable absorbent article for body contact to absorb body fluids comprising, an absorbent pad having a mass of hydrophilic fibers and a matrix of a comminuted hydrophobic material dispersed in interfiber spaces defined by said fibers throughout at least a portion of said pad, with at least a portion of said hydrophobic material comprising a fused comminuted thermoplastic material.
Claim 3
Dependent Claim
21 words
The article of claim 1 wherein at least a part of said thermoplastic material is fused to some of said fibers.
Claim 4
Dependent Claim
61 words
An absorbent pad of a disposable absorbent article for body contact to absorb body fluids comprising, a mixture of an absorbent fibrous cellulosic material and a hydrophobic particulate material defining together a fibrous mass for said pad, with the percentage by weight of said hydrophobic material to the total weight of the pad being in the range of 1 to 15.
Claim 5
Dependent Claim
61 words
An absorbent pad of a disposable absorbent article for body contact to absorb body fluids comprising, a mixture of an absorbent fibrous cellulosic material and a hydrophobic particulate material defining together a fibrous mass for said pad, with the percentage by weight of said hydrophobic material to the total weight of the pad being in the range of 1 to 15.
Claim 6
Dependent Claim
18 words
The pad of claim 3 wherein said cellulosic and hydrophobic materials are comminuted to form said fibrous mass.
Claim 7
Dependent Claim
13 words
The pad of claim 3 wherein said cellulosic material comprises comminuted wood pulp.
Claim 8
Dependent Claim
50 words
A disposable absorbent article for body contact to absorb body fluids comprising, an absorbent pad having a fibrous mass at least partially formed from a comminuted waste absorbent article which includes as a part thereof a hydrophobic backing sheet having a thickness of greater than or equal to 1 mil.
Claim 9
Dependent Claim
50 words
A disposable absorbent article for body contact to absorb body fluids comprising, an absorbent pad having a fibrous mass at least partially formed from a comminuted waste absorbent article which includes as a part thereof a hydrophobic backing sheet having a thickness of greater than or equal to 1 mil.
Claim 10
Dependent Claim
70 words
A disposable article for body contact to absorb body fluids having, an absorbent pad comprising a mass of hydrophilic fibers and a comminuted waste absorbent article which includes a hydrophobic material, said comminuted waste article being mixed with said fibers to form said pad, with the percentage by weight of the waste article in the pad to the weight of the pad being in the range of 5 to 25.
Claim 11
Dependent Claim
70 words
A disposable article for body contact to absorb body fluids having, an absorbent pad comprising a mass of hydrophilic fibers and a comminuted waste absorbent article which includes a hydrophobic material, said comminuted waste article being mixed with said fibers to form said pad, with the percentage by weight of the waste article in the pad to the weight of the pad being in the range of 5 to 25.
Claim 12
Dependent Claim
13 words
The article of claim 7 wherein said waste article comprises a disposable diaper.
Claim 13
Dependent Claim
13 words
The article of claim 7 wherein the disposable article comprises a disposable diaper.
Claim 14
Dependent Claim
37 words
The article of claim 7 wherein said waste article includes a backing sheet of hydrophobic material, with the percentage by weight of the waste backing sheet to said pad being in the range of 1 to 3.
Claim 15
Dependent Claim
16 words
The absorbent article of claim 7 wherein said waste article includes at least one tape fastener.
Claim 16
Dependent Claim
19 words
The article of claim 11 wherein at least a portion of said fastener is made from a hydrophobic material.
Claim 17
Dependent Claim
25 words
The article of claim 11 wherein the percentage by weight of the waste fastener to said pad is in the range of 0.1 to 1.0.
Claim 18
Dependent Claim
16 words
The article of claim 7 wherein said waste article includes a top sheet of fibrous material.
Claim 19
Dependent Claim
14 words
The article of claim 14 wherein the waste top sheet includes a hydrophobic binder.
Claim 20
Dependent Claim
26 words
The article of claim 14 wherein the percentage by weight of the waste top sheet to said pad is in the range of 0.5 to 2.5.
Claim 21
Dependent Claim
26 words
The article of claim 7 wherein the percentage by weight of the waste hydrophobic material to said pad is in the range of 1 to 15.
Claim 22
Dependent Claim
40 words
The article of claim 7 in which said waste article includes a hydrophilic material, and the percentage by weight of the hydrophilic materials in said pad to the weight of said pad is in the range of 85 to 99.
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) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |