Patent RU2018266C1 successfully refreshed from Google Patents.
US5545343A
Expired / Lapsed
US
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Peracid compositions for medical disinfection
Assignee: Solvay Interox Ltd
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Filing: 1992-10-08
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Granted: 1996-08-13
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Expires: 2012-10-08
Abstract
Abstract A multi-component product for providing, on mixing of the components, a disinfectant composition. A first component of the product comprises an aqueous solution of a lower aliphatic peracid and a second component comprises an aqueous solution containing a corrosion inhibitor and either a hydrogen peroxide stabilizer, a peracid stabilizer, or both.
Inventors
- 👤 Paul Brougham
- 👤 Robert A. Simms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/18; A61L2/186; A01; A01N; A01N37/00; A01N37/16; A61L2103/00; A61L2103/15; A61L2202/00; A61L2202/10; A61L2202/18
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
49 words
A process for the preparation of an aqueous disinfectant composition comprising mixing a first aqueous solution comprising a lower aliphatic peracid with a second aqueous solution comprising a phosphate corrosion inhibitor and at least one hydrogen peroxide stabilizer selected from the group consisting of phosphonic acids and salts thereof.
Claim 2
Dependent Claim
49 words
A process for the preparation of an aqueous disinfectant composition comprising mixing a first aqueous solution comprising a lower aliphatic peracid with a second aqueous solution comprising a phosphate corrosion inhibitor and at least one hydrogen peroxide stabilizer selected from the group consisting of phosphonic acids and salts thereof.
Claim 3
Dependent Claim
36 words
A process as claimed in claim 1, wherein the first aqueous solution comprises a (C 2 -C 9 ) aliphatic peracid in an amount of from 2% to 10% by weight of the first aqueous solution.
Claim 4
Dependent Claim
36 words
A process as claimed in claim 1, wherein the first aqueous solution comprises a (C 2 -C 9 ) aliphatic peracid in an amount of from 3% to 7% by weight of the first aqueous solution.
Claim 5
Dependent Claim
16 words
A process as claimed in claim 2 or 3, wherein the aliphatic peracid comprises peracetic acid.
Claim 6
Dependent Claim
32 words
A process as claimed in claim 1, 2 or 3 wherein the second aqueous solution comprises from 0.1% to 5% by weight of the second aqueous solution of the phosphate corrosion inhibitor.
Claim 7
Dependent Claim
29 words
A process as claimed in claim 5, wherein the second aqueous solution comprises from 0.1% to 1% by weight of the second aqueous solution of the phosphate corrosion inhibitor.
Claim 8
Dependent Claim
17 words
A process as claimed in claim 5, wherein the phosphate corrosion inhibitor comprises an alkali metal phosphate.
Claim 9
Dependent Claim
16 words
A process as claimed in claim 6 wherein the phosphate corrosion inhibitor comprises dipotassium hydrogen orthophosphate.
Claim 10
Dependent Claim
32 words
A process as claimed in claim 1 wherein the second aqueous solution comprises from 0.1% to 2% by weight of the second aqueous solution of said at least one hydrogen peroxide stabilizer.
Claim 11
Dependent Claim
32 words
A process as claimed in claim 9 wherein the second aqueous solution comprises from 0.2% to 1% by weight of the second aqueous solution of said at least one hydrogen peroxide stabilizer.
Claim 12
Dependent Claim
19 words
A process as claimed in claim 1 wherein said hydrogen peroxide stabilizer comprises cyclohexane-1, 2-diaminotetramethylenephosphonic acid or salt thereof.
Claim 13
Dependent Claim
35 words
A process as claimed in claim 1, 2, 3, 9 or 10, wherein the ratio of the volume of the first aqueous solution to the volume of the second aqueous solution is 1:5 to 1:50.
Claim 14
Dependent Claim
30 words
A process as claimed in claim 12 wherein the ratio of the volume of the first aqueous solution to the volume of the second aqueous solution is 1:10 to 1:30.
Claim 15
Dependent Claim
37 words
A process as claimed in claim 1, 2, 3, 9 or 10, wherein at least one of the first and second aqueous solutions comprises an indicator which undergoes a colour change when the solutions are mixed together.
Claim 16
Dependent Claim
24 words
A process according to any one of claims 1, 2, 3, 9 or 10, wherein said phosphate corrosion inhibitor comprises a steel corrosion inhibitor.
Claim 17
Dependent Claim
63 words
A multi-component product for providing, on mixing of the components, a disinfectant composition, said product comprising a first component which comprises a first aqueous solution comprising a lower aliphatic peracid, and a second component which comprises a second aqueous solution comprising a phosphate corrosion inhibitor and at least one hydrogen peroxide stabilizer selected from the group consisting of phosphonic acids and salts thereof.
Claim 18
Dependent Claim
63 words
A multi-component product for providing, on mixing of the components, a disinfectant composition, said product comprising a first component which comprises a first aqueous solution comprising a lower aliphatic peracid, and a second component which comprises a second aqueous solution comprising a phosphate corrosion inhibitor and at least one hydrogen peroxide stabilizer selected from the group consisting of phosphonic acids and salts thereof.
Claim 19
Dependent Claim
37 words
A multi-component product as claimed in claim 16, wherein the first aqueous solution comprises a (C 2 -C 9 ) aliphatic peracid in an amount of from 2% to 10% by weight of the first aqueous solution.
Claim 20
Dependent Claim
37 words
A multi-component product as claimed in claim 16, wherein the first aqueous solution comprises a (C 2 -C 9 ) aliphatic peracid in an amount of from 3% to 7% by weight of the first aqueous solution.
Claim 21
Dependent Claim
17 words
A multi-component product as claimed in claim 17 or 18, wherein the aliphatic peracid comprises peracetic acid.
Claim 22
Dependent Claim
33 words
A multi-component product as claimed in claim 16, 17 or 18 wherein the second aqueous solution comprises from 0.1% to 5% by weight of the second aqueous solution of the phosphate corrosion inhibitor.
Claim 23
Dependent Claim
30 words
A multi-component product as claimed in claim 20, wherein the second aqueous solution comprises from 0.1% to 1% by weight of the second aqueous solution of the phosphate corrosion inhibitor.
Claim 24
Dependent Claim
18 words
A multi-component product as claimed in claim 20, wherein the phosphate corrosion inhibitor comprises an alkali metal phosphate.
Claim 25
Dependent Claim
17 words
A multi-component product as claimed in claim 21 wherein the phosphate corrosion inhibitor comprises dipotassium hydrogen orthophosphate.
Claim 26
Dependent Claim
33 words
A multi-component product as claimed in claim 16 wherein the second aqueous solution comprises from 0.1% to 2% by weight of the second aqueous solution of said at least one hydrogen peroxide stabilizer.
Claim 27
Dependent Claim
33 words
A multi-component product as claimed in claim 28 wherein the second aqueous solution comprises from 0.2% to 1% by weight of the second aqueous solution of said at least one hydrogen peroxide stabilizer.
Claim 28
Dependent Claim
20 words
A multi-component product as claimed in claim 16 wherein said hydrogen peroxide stabilizer comprises cyclohexane-1, 2-diaminotetramethylenephosphonic acid or salt thereof.
Claim 29
Dependent Claim
36 words
A multi-component product as claimed in claim 16, 17, 18, 24 or 25, wherein the ratio of the volume of the first aqueous solution to the volume of the second aqueous solution is 1:5 to 1:50.
Claim 30
Dependent Claim
31 words
A multi-component product as claimed in claim 27 wherein the ratio of the volume of the first aqueous solution to the volume of the second aqueous solution is 1:10 to 1:30.
Claim 31
Dependent Claim
38 words
A multi-component product as claimed in claim 16, 17, 18, 24 or 25, wherein at least one of the first and second aqueous solutions comprises an indicator which undergoes a colour change when the solutions are mixed together.
Claim 32
Dependent Claim
25 words
A multi-component product according to any one of claims 16, 17, 18, 24 or 25, wherein said phosphate corrosion inhibitor comprises a steel corrosion inhibitor.
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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) | 1999-08-13 | 2000-02-12 | 2000-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-08-13 | 2004-02-12 | 2004-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-08-13 | 2008-02-12 | 2008-08-13 | $7700.00 | Window Closed / Lapsed |