Patent US3724465A successfully refreshed from Google Patents.
US3724465A
Expired / Lapsed
US
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Tampon coated with insertion aid and method for coating
Assignee: Kimberly Clark Corp
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Filing: 1971-07-22
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Granted: 1973-04-03
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Expires: 1991-07-22
Abstract
Abstract A compressed absorbent tampon provided with an improved insertion-aid coating on at least the tip portion and a method for applying the improved coating and similar coatings to the tampon. The improved coating comprises a normally solid polyethylene glycol containing at least one stabilizing agent. Suitable agents include water-insoluble metal stearates and/or fumed silica.
Inventors
- 👤 D Duchane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:49
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F13/2082; A61F13/2002; A61F13/202; A61F13/84; A61F13/8405; A61F2013/8455; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
23 words
The coated tampon of claim 1 wherein said metal stearates are selected from the group consisting of aluminum, calcium, magnesium and zinc stearate.
Claim 2
Dependent Claim
28 words
The coated tampon of claim 1 wherein said adjuvant is present in said mixture in the amount of from about 5 percent to about 15 percent by weight.
Claim 3
Dependent Claim
24 words
The coated tampon of claim 1 wherein said polyethylene glycol has an average molecular weight in the range of about 1,000 to about 6,000.
Claim 4
Dependent Claim
23 words
The coated tampon of claim 1 wherein said polyethylene glycol is a methoxy polyethylene glycol with an average molecular weight of about 750.
Claim 5
Dependent Claim
28 words
The coated tampon of claim 1 wherein said adjuvant comprises fumed silica and a metal stearate selected from the group consisting of aluminum, calcium, magnesium and zinc stearate.
References Cited (Backward Citations)
US2734505A
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US2301868A
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US2808832A
Cited
US3428044A
Cited
US3393678A
Cited
US3595236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |