US3902493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicated catamenial tampon
Assignee: Procter and Gamble Co
•
Filing: 1974-05-13
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Granted: 1975-09-02
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Expires: 1994-05-13
Abstract
Abstract A medicated catamenial tampon, comprising a resilient foam corpus and a medicament-bearing hydrophobic non-woven overwrap which is permeable to catamenial fluids, adapted for nonmenstrual as well as menstrual delivery of medicant to control and treat vaginal area disorders.
Inventors
- 👤 Kathleen Grieshop Baier
- 👤 Paul Dennis Trokhan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2022; A61F13/2037; A61K; A61K9/00; A61K9/0012; A61K9/0034; A61K9/0036
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
107 words
A MEDICATED CATAMENIAL TAMPON, COMPRISING: A RESILIENT MENESPHILIC POLYURETHANE FOAM CORPUS HAVING A DRY MODULUS OF COMPRESSIBILITY OF FROM ABOUT 0.2 LBS. PER SQ. IN. TO ABOUT 0.6 LBS, PER SQ. IN., A WET MODULUS OF COMPRESSIBILITY OF FROM 0.1 PSI TO ABOUT 0.3 PSI, A SHAPE MODULUS OF COMPRESSION OF FROM ABOUT 0.05 LBS. TO ABOUT 1.0 LBS., AND A CRITICAL SURFACE TENSION OF AT LEAST 60 DYNES PER CENTIMETER, AND A MEDICAMENTBEARING HYDROPHOBIC NON-WOVEN OVERWRAP WHICH IS PERMEABLE TO VAGINAL FLUIDS, WHEREIN SAID MEDICAMENT COMPRISES A SAFE AND EFFECTIVE AMOUNT OF A THERAPEUTICALLY ACTIVE AGENT FOR CONTROL OF VAGINAL DISORDERS AND A VAGINAL FLUID-SOLUBLE BINDING
Claim 2
Dependent Claim
107 words
A MEDICATED CATAMENIAL TAMPON, COMPRISING: A RESILIENT MENESPHILIC POLYURETHANE FOAM CORPUS HAVING A DRY MODULUS OF COMPRESSIBILITY OF FROM ABOUT 0.2 LBS. PER SQ. IN. TO ABOUT 0.6 LBS, PER SQ. IN., A WET MODULUS OF COMPRESSIBILITY OF FROM 0.1 PSI TO ABOUT 0.3 PSI, A SHAPE MODULUS OF COMPRESSION OF FROM ABOUT 0.05 LBS. TO ABOUT 1.0 LBS., AND A CRITICAL SURFACE TENSION OF AT LEAST 60 DYNES PER CENTIMETER, AND A MEDICAMENTBEARING HYDROPHOBIC NON-WOVEN OVERWRAP WHICH IS PERMEABLE TO VAGINAL FLUIDS, WHEREIN SAID MEDICAMENT COMPRISES A SAFE AND EFFECTIVE AMOUNT OF A THERAPEUTICALLY ACTIVE AGENT FOR CONTROL OF VAGINAL DISORDERS AND A VAGINAL FLUID-SOLUBLE BINDING
Claim 3
Dependent Claim
31 words
A medicated tampon according to claim 1 wherein said overwrap comprises a hydrophobic non-woven tissue having a wet tensile strength in the machine direction of at least 250 grams per inch.
Claim 4
Dependent Claim
14 words
A medicated tampon according to claim 1 wherein said therapeutically active agent is nystatin.
Claim 5
Dependent Claim
65 words
A medicated tampon according to claim 1 wherein said binding lubricant is selected from the group consisting of polyethylene glycol having an average molecular weight of 1,540, polyethylene glycol having an average molecular weight of 4,000, polyethylene glycol having an average molecular weight of 6,000, polyethylene-4-sorbitan monostearate, polyoxyl 40 stearate, mixtures thereof, and mixtures thereof with polyethylene glycol having an average molecular weight of 1,000.
Claim 6
Dependent Claim
21 words
A medicated tampon according to claim 4 wherein said binding lubricant is polyethylene glycol having an average molecular weight of 1,540.
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) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |