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US5762948A Expired / Lapsed US ⏱️ 0.0 years remaining

Moist bacteriocin disinfectant wipes and methods of using the same

Assignee: AMBI Inc
•
Filing: 1995-06-07
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Granted: 1998-06-09
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Expires: 2015-06-07
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Abstract

Abstract Disclosed are novel, moist paper or fabric wipes containing a bacteriocin disinfectant formulation, which have a low alcohol content and which afford rapid, one-step disinfection and drying of surfaces. Also disclosed is a method of disinfection and drying of skin, including cow teat skin, either prior to or after milking, which employs the wipes.

Inventors

  • 👤 Peter Blackburn
  • 👤 Jon de la Harpe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 10:13
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/46; A01N63/00; A01N63/50; D; D21; D21H; D21H21/00; D21H21/14; D21H21/36

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 31 words
A moist paper or fabric wipe containing a liquid formulation comprising a suitable amount of a bacteriocin, a chelating agent, a stabilizer, a surfactant, a salt and an alcohol drying agent.
Claim 2
Dependent Claim 31 words
A moist paper or fabric wipe containing a liquid formulation comprising a suitable amount of a bacteriocin, a chelating agent, a stabilizer, a surfactant, a salt and an alcohol drying agent.
Claim 3
Dependent Claim 54 words
A wipe according to claim 1 wherein the bacteriocin is a lanthocin; the chelating agent is selected from one or more of an alkydiamine tetraacetate, EGTA and citrate; the stabilizer is a thioether compound; the surfactant is a nonionic surfactant, a cationic surfactant, a monoglyceride or a fatty acid; and the salt is NaCl.
Claim 4
Dependent Claim 31 words
A wipe according to claim 2 wherein the lanthocin is nisin, the chelating agent is EDTA, the stabilizer is methionine, the surfactant is polysorbate 20 and the drying agent is 1-propanol.
Claim 5
Dependent Claim 16 words
A wipe according to claim 3, wherein the chelating agent comprises EDTA and citrate in combination.
Claim 6
Dependent Claim 34 words
A wipe according to claim 3 wherein the concentration of nisin is in the range of 25 to 500 ug/ml and the concentration of NaCl is in the range of 10 to 300 mM.
Claim 7
Dependent Claim 20 words
A wipe according to claim 3 wherein the concentration of EDTA is in the range of 0.1 to 10 mM.
Claim 8
Dependent Claim 34 words
A wipe according to claim 4 wherein the concentration of EDTA is in the range of 0.1 to 10 mM and the concentration of citrate is in the range of 1 to 30 mM.
Claim 9
Dependent Claim 20 words
A wipe according to claim 3 wherein the concentration of methionine is in the range of 1 to 10 mM.
Claim 10
Dependent Claim 20 words
A wipe according to claim 3 wherein the concentration of polysorbate 20 is in the range of 0.1 to 3%.
Claim 11
Dependent Claim 19 words
A wipe according to claim 3 wherein the concentration of 1-propanol is in the range of 10 to 20%.
Claim 12
Dependent Claim 16 words
A wipe according to claim 1 wherein the formulation further comprises a conditioner and a thickener.
Claim 13
Dependent Claim 15 words
A wipe according to any one of claims 1-4, wherein the formulation further comprises chlorhexidine.
Claim 14
Dependent Claim 18 words
A wipe according to any one of claims 1-4 wherein the paper wipe is of a non-woven material.
Claim 15
Dependent Claim 28 words
A one-step method for disinfecting and drying a cow teat prior to milking which comprises wiping the teat with a wipe according to any one of claims 1-4.
Claim 16
Dependent Claim 27 words
A one-step method for disinfecting and drying a cow teat after milking which comprises wiping the teat with a wipe according to any one of claims 1-4.
Claim 17
Dependent Claim 26 words
A one-step method for disinfecting and drying a skin surface which comprises wiping the skin surface with a wipe according to any one of claims 1-4.
Claim 18
Dependent Claim 24 words
A one-step method for cleansing a skin surface which comprises wiping the skin surface with a wipe according to any one of claims 1-4.
Claim 19
Dependent Claim 28 words
A one-step method for disinfecting and drying a food contact surface which comprises wiping the food contact surface with a wipe according to any one of claims 1-4.
Claim 20
Independent Claim 30 words
A method for reducing the incidence of mastitis infection in dairy animals, which comprises wiping the animals' teats after milking with a wipe according to any one of claims 1-4.
Claim 21
Independent Claim 38 words
A method for reducing the incidence of mastitis infection in dairy animals, which comprises pre-milking wiping of the animals' teats with a wipe according to any one of claims 1-4 in conjunction with post-dipping with Consept teat dip.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-06-08 2001-12-08 2002-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-06-08 2005-12-08 2006-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-06-08 2009-12-08 2010-06-09 $7700.00 Window Closed / Lapsed

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