US5370876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial protective skin composition and method for protecting skin from body fluids
Assignee: Microbarriers
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Filing: 1993-01-08
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Granted: 1994-12-06
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Expires: 2013-01-08
Abstract
Abstract A protective cream composition contains 15 to 40 wt. % of an alkali metal fatty acid salt having from 8 to 18 carbon atoms, an effective amount an antimicrobial compound, 5 to 20 wt. % of a polyol effective as an emollient, 0.5 to 8.0 wt. %, of an alkali metal silicate, and the balance water. Such a composition can be applied to the skin to protect health care workers and others from infection. The cream dries to form a topical barrier on the skin, and also contains an agent effective against, for instance, viruses such as human HIV. Once a medical operation is completed, the film formed from the dried cream can be washed off with soap and water.
Inventors
- 👤 Charles R. Noll
- 👤 Virginia M. Noll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:34
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A01; A01N; A01N25/00; A01N25/24; A01N39/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/36; A61K8/361; A61K8/39; A61K9/00; A61K9/70; A61K9/7015
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
71 words
A protective skin cream composition consisting essentially of: (i) 15 to 40 wt. % of an alkali-metal fatty acid salt having from 8 to 18 carbon atoms, (ii) an effective amount an antimicrobial compound, (iii) 5 to 20 wt. % of a polyol effective as an emollient, (iv) 0.5 to 8.0 wt. % of an alkali metal silicate, and (v) the balance water, said composition being removable with soap and water.
Claim 2
Dependent Claim
71 words
A protective skin cream composition consisting essentially of: (i) 15 to 40 wt. % of an alkali-metal fatty acid salt having from 8 to 18 carbon atoms, (ii) an effective amount an antimicrobial compound, (iii) 5 to 20 wt. % of a polyol effective as an emollient, (iv) 0.5 to 8.0 wt. % of an alkali metal silicate, and (v) the balance water, said composition being removable with soap and water.
Claim 3
Dependent Claim
16 words
The composition of claim 1, wherein the cream is in the form of an oil-in-water emulsion.
Claim 4
Dependent Claim
26 words
The composition of claim 1, wherein the polyol is selected from glycerin, sorbitol and propylene glycol, and the alkali metal silicate is sodium or potassium silicate.
Claim 5
Dependent Claim
33 words
The composition of claim 1, wherein the antimicrobial compound is selected from the group consisting of carboxylate, organopolysiloxane, nonoxynol-9, AZT, chlorhexidene, iodine, sodiumoxychlorosene, tetrachlorosalicylanilide, silver sulfadiazine, butaconazole nitrate, chloroxylenol, triacetin, and aluminum chlorhydrate.
Claim 6
Dependent Claim
13 words
The composition of claim 4, wherein the antimicrobial compound is AZT or nonylphenoxypolyethoxyethanol.
Claim 7
Dependent Claim
29 words
The composition of claim 1, wherein the antimicrobial compound is selected from the group consisting of chlorhexidene, iodine, sodium oxychlorosene, tetrachlorosalicylanilide, silver sulfadiazine, butaconazole nitrate, chloroxylenol, and fungicidal agents.
Claim 8
Dependent Claim
20 words
The composition of claim 1, wherein the antimicrobial compound is present in the amount of 0.1 to 15 wt. %.
Claim 9
Dependent Claim
31 words
The composition of claim 1, wherein the alkali-metal fatty acid salt is selected from the group consisting of sodium caprylate, sodium laurate, sodium myristate, sodium palmitate, sodium oleate, and sodium stearate.
Claim 10
Dependent Claim
23 words
The composition of claim 1, wherein the alkali-metal silicate is sodium silicate, potassium silicate, or a siloxane oligomer or polymer or salt thereof.
Claim 11
Dependent Claim
108 words
A method of protecting a person from infection from bodily fluids, which comprises: (1) applying to the skin of said person a protective skin cream composition of claim 1, which composition dries to form a film on the skin effective as a topical barrier against bodily fluids, the film containing the antimicrobial agent in an amount effective to kill one or more types of microbial organisms, and the film being removable with soap and water; (2) wearing the film while performing a task in close proximity to said bodily fluids; and (3) removing the film from said person's skin upon completion of a task with soap and water.
Claim 12
Dependent Claim
20 words
The method of claim 10, wherein the task comprises a surgical operation or procedure performed on a patient having blood.
Claim 13
Dependent Claim
29 words
The method of claim 11, wherein the surgical operation or procedure involves contact between the blood of the patient and a worker involved with said surgical operation or procedure.
Claim 14
Dependent Claim
25 words
The method of claim 11, further comprising a step of putting on a protective garment over skin to which the protective composition has been applied.
Claim 15
Dependent Claim
24 words
The method of claim 11, further comprising the steps of putting on protective garments, and applying the protective composition to exposed areas of skin.
Claim 16
Dependent Claim
15 words
The method of claim 12, further comprising applying the protective composition to said worker's face.
Claim 17
Dependent Claim
20 words
The method of claim 10, further comprising performing steps (1) to (3) two or more times during the same day.
References Cited (Backward Citations)
US2698824A
Cited
US3890264A
Cited
US3952000A
Cited
US3962271A
Cited
US3929705A
Cited
US4012261A
Cited
US4022906A
Cited
US4479795A
Cited
US4343788A
Cited
US4404196A
Cited
US4500338A
Cited
US4467013A
Cited
US4448906A
Cited
US4671957A
Cited
US4614675A
Cited
US4738987A
Cited
US4803066A
Cited
US5043155A
Cited
US5126136A
Cited
US5019604A
Cited
US5039711A
Cited
US5194172A
Cited
WO1992017184A2
Cited
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