US4069821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent article
Assignee: Colgate Palmolive Co
•
Filing: 1976-03-22
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Granted: 1978-01-24
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Expires: 1996-03-22
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 19:12
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: 7
Claim 1
Independent Claim
36 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of fibers, said pad mass being at least partially formed from a comminuted supply feed roll material containing at least some waste absorbent material.
Claim 2
Dependent Claim
36 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of fibers, said pad mass being at least partially formed from a comminuted supply feed roll material containing at least some waste absorbent material.
Claim 3
Dependent Claim
47 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of hydrophilic fibers and a matrix of hydrophobic material dispersed in said mass, said pad mass and matrix being at least partially formed from a comminuted supply feed roll material containing hydrophilic and hydrophobic materials.
Claim 4
Dependent Claim
47 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of hydrophilic fibers and a matrix of hydrophobic material dispersed in said mass, said pad mass and matrix being at least partially formed from a comminuted supply feed roll material containing hydrophilic and hydrophobic materials.
Claim 5
Dependent Claim
24 words
The article of claim 2 wherein at least a portion of said hydrophobic materials comprise a thermoplastic material fused in said supply feed roll.
Claim 6
Dependent Claim
61 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of hydrophilic fibers and a matrix of hydrophobic material dispersed in said mass, said pad mass and matrix being simultaneously formed from at least one comminuted supply feed roll material of hydrophilic material and at least one separate comminuted supply feed roll material containing at least some hydrophobic material.
Claim 7
Dependent Claim
61 words
An absorbent article comprising, an absorbent pad having a loosely formed mass of hydrophilic fibers and a matrix of hydrophobic material dispersed in said mass, said pad mass and matrix being simultaneously formed from at least one comminuted supply feed roll material of hydrophilic material and at least one separate comminuted supply feed roll material containing at least some hydrophobic material.
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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) | 1981-01-23 | 1981-07-25 | 1982-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-23 | 1985-07-25 | 1986-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-23 | 1989-07-25 | 1990-01-24 | $7700.00 | Window Closed / Lapsed |