US5334388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial drying substrate
Assignee: Clinipad Corp
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Filing: 1993-09-15
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Granted: 1994-08-02
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Expires: 2013-09-15
Abstract
Abstract A dry towel or wipe comprising an absorbent paper substrate which is uniformly coated and dried with an antimicrobial formulation comprising a volatile liquid, an active antimicrobial agent, a water soluble polymer, a polyalkylene glycol an emollient and water. The treated towel is useful in providing antimicrobial effectiveness for drying skin in preparation for surgical procedures without irritating or drying the skin.
Inventors
- 👤 Minh Q. Hoang
- 👤 Mohammed A. Khan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:59
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
136 words
A dry wipe comprising an absorbent paper substrate which is coated and dried with an antimicrobial formulation comprising: (a) isopropanol or ethanol in an amount from about 50 to about 75 weight percent of the total composition; (b) chlorhexidine gluconate or parachlorometaylenol in an amount from about 0.05 to about 1.5 weight percent of the total composition; (c) chitosan in an amount from about 0.01 to about 2.5 weight percent of the total composition; (d) a polyalkylene glycol in an amount from about 0.5 to about 1.5 weight percent of the total composition. (e) a moisturizer and/or emollient in an amount from about 0.5 to about 1.5 weight percent of the total composition; (f)water in an amount from about 24 to about 27 weight percent of the total composition; and (g) a suitable pH adjusting component.
Claim 2
Dependent Claim
136 words
A dry wipe comprising an absorbent paper substrate which is coated and dried with an antimicrobial formulation comprising: (a) isopropanol or ethanol in an amount from about 50 to about 75 weight percent of the total composition; (b) chlorhexidine gluconate or parachlorometaylenol in an amount from about 0.05 to about 1.5 weight percent of the total composition; (c) chitosan in an amount from about 0.01 to about 2.5 weight percent of the total composition; (d) a polyalkylene glycol in an amount from about 0.5 to about 1.5 weight percent of the total composition. (e) a moisturizer and/or emollient in an amount from about 0.5 to about 1.5 weight percent of the total composition; (f)water in an amount from about 24 to about 27 weight percent of the total composition; and (g) a suitable pH adjusting component.
Claim 3
Dependent Claim
19 words
The dry wipe of claim 1 wherein said antimicrobial formulation has a pH from about 4.5 to about 7.5.
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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) | 1997-08-01 | 1998-01-31 | 1998-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-01 | 2002-01-31 | 2002-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-01 | 2006-01-31 | 2006-08-02 | $7700.00 | Window Closed / Lapsed |