US5130124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized, aqueous, film-forming antimicrobial compositions of hydrogen peroxide
Assignee: ISP Investments LLC
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Filing: 1991-05-01
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Granted: 1992-07-14
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Expires: 2011-05-01
Abstract
Abstract What is provided herein is a stabilized, aqueous, film-forming, antimicrobial composition of hydrogen peroxide. The active, oxygen-generating hydrogen peroxide component in the composition is stabilized in an aqueous-polyol solvent system of predetermined polarity containing PVP. In contrast, similar formulations without PVP experienced a loss of peroxide activity upon standing. Suitably, the composition herein includes about 1-20% by weight hydrogen peroxide, about 0.1-50% by weight PVP, and about 0.1-80% by weight of a polyol, the rest being water. Preferably, about 5-20% by weight of water is present in the composition. Additional solvents may be included therein, such as alcohols, ether oxides, esters, triglycerides of fatty acids, hydrocarbons, N-vinyl lactams, silicone oils, and polyether oligomers.
Inventors
- 👤 John J. Merianos
- 👤 Robert P. Login
- 👤 Paul Garelick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:15
CPC Classifications
A; A61; A61Q; A61Q11/00; A01; A01N; A01N59/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/22; A61K8/72; A61K8/81; A61K8/817; A61K8/8176; A61P; A61P17/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
A stabilized, aqueous, film-forming, antimicrobial composition of hydrogen peroxide consisting essentially of (a) about 1-20% by weight of hydrogen peroxide added as a 30-70% by weight aqueous solution; (b) about 0.1-50% by weight of a water soluble or water-insoluble polyvinylpyrrolidone having a K-value ranging from K-15 to K-90; (c) about 0.1-80% by weight of a polyol selected from the group consisting of propylene glycol, glycerol and polyethylene glycol; and (d) about 2.5-35% by weight of water.
Claim 2
Dependent Claim
76 words
A stabilized, aqueous, film-forming, antimicrobial composition of hydrogen peroxide consisting essentially of (a) about 1-20% by weight of hydrogen peroxide added as a 30-70% by weight aqueous solution; (b) about 0.1-50% by weight of a water soluble or water-insoluble polyvinylpyrrolidone having a K-value ranging from K-15 to K-90; (c) about 0.1-80% by weight of a polyol selected from the group consisting of propylene glycol, glycerol and polyethylene glycol; and (d) about 2.5-35% by weight of water.
Claim 3
Dependent Claim
57 words
A composition according to claim 1 which also includes about 2-10% by weight of one or more of a solvent selected from an alcohol, ether oxide, ester,triglycerides of fatty acids, hydrocarbon, N-alkyl lactam, silicone oil, polyether oligomer, and about 1-3% of one or more of an adjuvant selected from a wetting agent, emulsifying agent and suspending agent.
Claim 4
Dependent Claim
24 words
A composition according to claim 1 wherein (a) is about 6-12%; (b) is about 12-25%; (c) is about 15-75%; and (d) is about 5-20%.
Claim 5
Dependent Claim
24 words
A composition according to claim 1 wherein (a) is about 7.5%; (b) is about 15%; (c) is about 65%; and (d) is about 12.5%.
Claim 6
Dependent Claim
18 words
A wound dressing, mouthwash, toothpaste, anti-hemorrhoid, or contact lens sterilization formulation which includes the composition of claim 1.
Claim 7
Dependent Claim
12 words
A composition according to claim 1 wherein said polyol is propylene glycol.
Claim 8
Dependent Claim
11 words
A composition according to claim 1 wherein said polyol is glycerol.
Claim 9
Dependent Claim
12 words
A composition according to claim 1 wherein said polyol is polyethylene glycol.
Claim 10
Dependent Claim
13 words
A composition according to claim 1 wherein about 2-10% ethanol is included therein.
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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) | 1995-07-14 | 1996-01-13 | 1996-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-14 | 2000-01-13 | 2000-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-14 | 2004-01-13 | 2004-07-14 | $7700.00 | Window Closed / Lapsed |