Patent US4186743A successfully refreshed from Google Patents.
US4186743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfuming self-adhering napkins
Assignee: Personal Products Co
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Filing: 1978-02-28
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Granted: 1980-02-05
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Expires: 1998-02-28
Abstract
Abstract A sanitary napkin is provided having a pressure-sensitive adhesive element on the surface thereof for adhering to the crotch portion of the undergarment. The adhesive element is further provided with a protective releasable layer having adhered thereto microcapsules containing a deodorant material. Upon peeling the protective releasable layer from the adhesive element, the deodorant material is released in a controlled manner.
Inventors
- 👤 Fred H. Steiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:29
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/84; A61F13/8405; A61F13/56; A61F13/5605; A61F13/5611; A61F13/58; A61F2013/582; Y; Y10; Y10S; Y10S428/00; Y10S428/905
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
In a sanitary napkin comprising an elongated absorbent body having a body contacting surface and a garment contacting surface and provided with a pressure-sensitive adhesive element on said garment contacting surface for adhering said napkin to the crotch portion of an undergarment, means for both protecting said pressure-sensitive adhesive element and for releasing a controlled quantity of a deodorant, said means comprising a protective releasable layer overlying and adhered to said adhesive element and having affixed to the surface thereof in contact with said adhesive element, a controlled quantity of deodorant in pressure-frangible microcapsules whereby, upon removing said protective releasable layer, a controlled portion said microcapsules fracture releasing a controlled quantity of deodorant.
Claim 2
Dependent Claim
113 words
In a sanitary napkin comprising an elongated absorbent body having a body contacting surface and a garment contacting surface and provided with a pressure-sensitive adhesive element on said garment contacting surface for adhering said napkin to the crotch portion of an undergarment, means for both protecting said pressure-sensitive adhesive element and for releasing a controlled quantity of a deodorant, said means comprising a protective releasable layer overlying and adhered to said adhesive element and having affixed to the surface thereof in contact with said adhesive element, a controlled quantity of deodorant in pressure-frangible microcapsules whereby, upon removing said protective releasable layer, a controlled portion said microcapsules fracture releasing a controlled quantity of deodorant.
Claim 3
Dependent Claim
22 words
The sanitary napkin of claim 1 wherein the protective releasable layer comprises a flexible paper board strip having said microcapsules adhered thereto.
Claim 4
Dependent Claim
18 words
The sanitary napkin of claim 2 wherein the paper board strip is about 3 to about ≢mils thick.
Claim 5
Dependent Claim
22 words
The sanitary napkin of claim 2 wherein said microcapsules are adhered to the paper board strip in admixture with an adhesive coating.
Claim 6
Dependent Claim
31 words
The sanitary napkin of claim 4 wherein at least a portion of said microcapsules extended from the surface of the adhesive coating and are embedded in the pressure sensitive adhesive element.
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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) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |