Patent US2485343A successfully refreshed from Google Patents.
Patent US4573989A successfully refreshed from Google Patents.
US4573989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper and method of manufacture
Assignee: Colgate Palmolive Co
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Filing: 1982-12-13
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Granted: 1986-03-04
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Expires: 2002-12-13
Abstract
Abstract A disposable diaper comprising an absorbent pad or dual absorbent pads positioned between a top sheet and a waterproof backing sheet without the presence of wadding sheets to increase the suppleness of the diaper. A binder is sprayed between said pad or the lower of the dual pads and the backing sheet, the binder penetrating the material of the pad to stick the pad to the backing sheet to render the pad highly tear resistant.
Inventors
- 👤 Hamzeh Karami
- 👤 Myriam Delvaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:00
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/539
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
59 words
A disposable diaper comprising an absorbent pad positioned between a top sheet and a waterproof backing sheet, said absorbent pad being characterized by the absence of wadding sheets to improve suppleness of said diaper, and a liquid binder sprayed on said backing sheet between said absorbent pad and said backing sheet to stabilize said pad to said backing sheet.
Claim 2
Dependent Claim
59 words
A disposable diaper comprising an absorbent pad positioned between a top sheet and a waterproof backing sheet, said absorbent pad being characterized by the absence of wadding sheets to improve suppleness of said diaper, and a liquid binder sprayed on said backing sheet between said absorbent pad and said backing sheet to stabilize said pad to said backing sheet.
Claim 3
Dependent Claim
76 words
A disposable diaper comprising an absorbent dual pad assembly positioned between a top sheet and a waterproof backing sheet of polyethylene or polypropylene film, said pad assembly being characterized by the absence of wadding sheets to increase the suppleness of said diaper, said absorbent pad assembly including an upper and lower pad, and a binder on said backing sheet between said lower pad and said backing sheet to stabilize said lower pad to said backing sheet.
Claim 4
Dependent Claim
76 words
A disposable diaper comprising an absorbent dual pad assembly positioned between a top sheet and a waterproof backing sheet of polyethylene or polypropylene film, said pad assembly being characterized by the absence of wadding sheets to increase the suppleness of said diaper, said absorbent pad assembly including an upper and lower pad, and a binder on said backing sheet between said lower pad and said backing sheet to stabilize said lower pad to said backing sheet.
Claim 5
Independent Claim
61 words
A method of making a disposable diaper comprising the steps of positioning an absorbent pad assembly between a top sheet and a waterproof backing sheet without the use of wadding sheets, and then spraying a liquid binder between said absorbent pad and said backing sheet and on said backing sheet so that said binder stabilizes said pad to said backing sheet.
Claim 6
Independent Claim
61 words
A method of making a disposable diaper comprising the steps of positioning an absorbent pad assembly between a top sheet and a waterproof backing sheet without the use of wadding sheets, and then spraying a liquid binder between said absorbent pad and said backing sheet and on said backing sheet so that said binder stabilizes said pad to said backing sheet.
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) | 1989-03-03 | 1989-09-02 | 1990-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-03 | 1993-09-02 | 1994-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-03 | 1997-09-02 | 1998-03-04 | $7700.00 | Window Closed / Lapsed |