US5164107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorhexidine composition useful in a surgical scrub
Assignee: Becton Dickinson and Co
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Filing: 1991-04-25
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Granted: 1992-11-17
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Expires: 2011-04-25
Abstract
Abstract A cleansing composition particularly useful as a surgical scrub includes chlorhexidine gluconate and a nonylphenoxypoly(ethyleneoxy)ethanol surfactant in an aqueous vehicle, and may contain other surfactants, thickeners, emollients, dyes, perfumes and the like.
Inventors
- 👤 Mohammad A. Khan
- 👤 John F. Moellmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:52
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C11D1/00; C11D1/66; C11D1/835; C11D3/16; C11D3/37; C11D3/3703; C11D3/3707; C11D1/38; C11D1/52; C11D1/523; C11D1/72; C11D1/74
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
84 words
An antimicrobial cleansing composition comprising: a) about 3 to 6% of a chlorhexidine sale; b) about 4 to 6% of a nonylphenoxypoly(ethyleneoxy)ethanol surfactant; c) at least one thickening agent selected from the group consisting of about 2 to 5% of a polyethyleneglycol diester of a first fatty acid and about 2 to 5% of an amide of a second fatty acid; d) about 3 to 7% of a polyethyleneglycol ether of lanolin surfactant derived from the ethoxylation of an unsaponified lanolin; and e) water.
Claim 2
Dependent Claim
84 words
An antimicrobial cleansing composition comprising: a) about 3 to 6% of a chlorhexidine sale; b) about 4 to 6% of a nonylphenoxypoly(ethyleneoxy)ethanol surfactant; c) at least one thickening agent selected from the group consisting of about 2 to 5% of a polyethyleneglycol diester of a first fatty acid and about 2 to 5% of an amide of a second fatty acid; d) about 3 to 7% of a polyethyleneglycol ether of lanolin surfactant derived from the ethoxylation of an unsaponified lanolin; and e) water.
Claim 3
Dependent Claim
20 words
The composition of claim 1 wherein said salt is selected from the group consisting of the hydrochloride, acetate and gluconate.
Claim 4
Dependent Claim
18 words
The composition of claim 1 wherein the ethyleneoxy percentage in said nonylphenoxypoly(ethyleneoxy)ethanol is from about 60 to 80.
Claim 5
Dependent Claim
20 words
The composition of claim 1 wherein said polyethyleneglycol ether of lanolin has a hydroxyl value of about 35 to 75.
Claim 6
Dependent Claim
13 words
The composition of claim 1 wherein said first fatty acid is stearic acid.
Claim 7
Dependent Claim
18 words
The composition of claim 5 wherein said polyethyleneglycol diester has a molecular weight of about 200 to 6000.
Claim 8
Dependent Claim
13 words
The composition of claim 1 wherein said second fatty acid is lauric acid.
Claim 9
Dependent Claim
21 words
The composition of claim 7 wherein said amide is selected from the group consisting of amides of ammonia, ethanolamine and diethanolamine.
Claim 10
Dependent Claim
9 words
The composition of claim 1 further comprising a dye.
Claim 11
Dependent Claim
22 words
The composition of claim 1 further comprising a pH adjusting compound selected from the group consisting of an acid and a base.
Claim 12
Dependent Claim
66 words
An antimicrobial cleansing composition consisting essentially of: a) about 4% of chlorhexidine gluconate; b) about 5% of a nonylphenoxypoly(ethyleneoxy)ethanol having about 71% of ethylene oxide; c) about 5% of a polyethyleneglycol ether of lanolin surfactant derived from the ethoxylation of an unsaponified lanolin; d) about 3.5% of a polyethyleneglycol distearate; e) about 3.5% of lauric acid diethanolamide; and f) water wherein all percentages are by weight.
Claim 13
Dependent Claim
66 words
An antimicrobial cleansing composition consisting essentially of: a) about 4% of chlorhexidine gluconate; b) about 5% of a nonylphenoxypoly(ethyleneoxy)ethanol having about 71% of ethylene oxide; c) about 5% of a polyethyleneglycol ether of lanolin surfactant derived from the ethoxylation of an unsaponified lanolin; d) about 3.5% of a polyethyleneglycol distearate; e) about 3.5% of lauric acid diethanolamide; and f) water wherein all percentages are by weight.
Claim 14
Dependent Claim
10 words
The composition of claim 11 which also includes a dye.
Claim 15
Dependent Claim
37 words
The composition of claim 11 which also includes a sufficient quantity of a pH adjusting compound selected from the group consisting of an acid and a base to adjust the pH of said composition to about 7.
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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) | 1995-11-17 | 1996-05-18 | 1996-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-17 | 2000-05-18 | 2000-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-17 | 2004-05-18 | 2004-11-17 | $7700.00 | Window Closed / Lapsed |