US5731275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic detergent and disinfectant combinations for decontaminating biofilm-coated surfaces
Assignee: University of Montreal
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Filing: 1994-12-30
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Granted: 1998-03-24
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Expires: 2014-12-30
Abstract
Abstract Disclosed herein is a synergistic cleaning and disinfecting composition for use in decontaminating biofilm-coated surfaces like fresh water lines providing water supply to dental instruments, these lines being susceptible to contamination by microorganisms and being susceptible to the formation of biofilm coatings on their inner walls, the composition comprising an effective amount of a detergent, an effective amount of a denaturing agent attacking the extracellular matrix formed between microorganisms and between microorganisms and the inner walls of these water lines and an effective amount of a bactericide for destroying the microorganisms.
Inventors
- 👤 Andre Prevost
- 👤 Jean Barbeau
- 👤 Ludger Cote
- 👤 Robert Charland
- 👤 Esther Faucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/18; A61L2/186; C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/38; C11D1/62; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2086; C11D3/26; C11D3/28; C11D3/33; C11D3/39; C11D3/3942; C11D3/3945; C11D3/3947; C11D3/48; A61L2103/00; A61L2103/15; A61L2202/00; A61L2202/10; A61L2202/17
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
55 words
An aqueous cleaning and disinfecting composition for use in decontaminating surfaces being susceptible to contamination by microorganisms and being susceptible to the formation of a biofilm coating thereon, said composition comprising 2% (w/v) of a mixture of about 1% (w/v) mandelic acid and about 1% (w/v) lactic acid, and 2% (w/v) of sodium dodecylsulfate (SDS).
Claim 2
Dependent Claim
55 words
An aqueous cleaning and disinfecting composition for use in decontaminating surfaces being susceptible to contamination by microorganisms and being susceptible to the formation of a biofilm coating thereon, said composition comprising 2% (w/v) of a mixture of about 1% (w/v) mandelic acid and about 1% (w/v) lactic acid, and 2% (w/v) of sodium dodecylsulfate (SDS).
Claim 3
Dependent Claim
65 words
An aqueous cleaning and disinfecting composition for use in decontaminating surfaces being susceptible to contamination by microorganisms and being susceptible to the formation of a biofilm coating thereon, said composition comprising 5% (w/v) hydrogen peroxide, 1% (w/v) ethylenediamine tetraacetic acid (EDTA), 2% (w/v) sodium dodecyl sulfate (SDS), and 2% (w/v) of a mixture of about 1% (w/v) mandelic acid and about 1% (w/v) lactic acid.
Claim 4
Dependent Claim
65 words
An aqueous cleaning and disinfecting composition for use in decontaminating surfaces being susceptible to contamination by microorganisms and being susceptible to the formation of a biofilm coating thereon, said composition comprising 5% (w/v) hydrogen peroxide, 1% (w/v) ethylenediamine tetraacetic acid (EDTA), 2% (w/v) sodium dodecyl sulfate (SDS), and 2% (w/v) of a mixture of about 1% (w/v) mandelic acid and about 1% (w/v) lactic acid.
Claim 5
Dependent Claim
16 words
An aqueous cleaning and disinfecting composition according to claim 2, further comprising 1% (w/v) peracetic acid.
Claim 6
Dependent Claim
16 words
An aqueous cleaning and disinfecting composition according to claim 2, further comprising 0.1% (w/v) cetylpyridinium chloride.
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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) | 2001-03-23 | 2001-09-22 | 2002-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-23 | 2005-09-22 | 2006-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-03-23 | 2009-09-22 | 2010-03-24 | $7700.00 | Window Closed / Lapsed |