US4411799A
Expired / Lapsed
US
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Method for stabilizing an aqueous solution containing a chlorine-based oxidant
Assignee: Mitsubishi Chemical Corp
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Filing: 1982-01-19
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Granted: 1983-10-25
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Expires: 2002-01-19
Abstract
Abstract A method for stabilizing an aqueous solution containing a chlorine-based oxidant is disclosed, comprising incorporating both glycine and at least one halide selected from bromide and iodide in the aqueous solution containing chlorine-based oxidant.
Inventors
- 👤 Tomohisa Ito
- 👤 Akira Hongo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:02
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766; A; A01; A01N; A01N59/00; C01; C01B; C01B11/00; C01B11/04; C01B7/00; C01B7/01
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
38 words
A method for stabilizing an aqueous solution containing a chlorine-based oxidant comprising both glycine and at least one halide in a weight ratio of 1:9 to 9:1 with the halide selected from bromide and iodide in the solution.
Claim 2
Independent Claim
38 words
A method for stabilizing an aqueous solution containing a chlorine-based oxidant comprising both glycine and at least one halide in a weight ratio of 1:9 to 9:1 with the halide selected from bromide and iodide in the solution.
Claim 3
Dependent Claim
35 words
A method according to claim 1, wherein the chlorine-based oxidant is at least one compound selected from the group consisting of chlorine, hypochlorous acid, a salt thereof, a chlorinated isocyanuric acid, and a chlorinated hydantoin.
Claim 4
Dependent Claim
34 words
A method according to claim 1 or 2, wherein the bromide is sodium bromide, potassium bromide, calcium bromide, or magnesium bromide, and the iodide is sodium iodide, potassium iodide, calcium iodide or magnesium iodide.
Claim 5
Dependent Claim
20 words
A method according to claim 1 or 2, wherein weight ratio of glycine to halide is from 2:8 to 8:2.
Claim 6
Dependent Claim
26 words
A method according to claim 1, wherein the sum of the glycine and halide content incorporated in the solution is at least 1.0 ppm by weight.
Claim 7
Dependent Claim
26 words
A method according to claim 5, wherein the sum of the glycine and halide content incorporated in the solution is 1.0 to 15 ppm by weight.
Claim 8
Dependent Claim
26 words
A method according to claim 6, wherein the sum of the glycine and halide content incorporated in the solution is 2.0 to 10 ppm by weight.
Claim 9
Dependent Claim
20 words
A stabilized aqueous solution of a chlorine-based oxidant, comprising glycine and at least one halide selected from bromide and iodide.
Claim 10
Dependent Claim
20 words
A stabilized aqueous solution of a chlorine-based oxidant, comprising glycine and at least one halide selected from bromide and iodide.
Claim 11
Dependent Claim
36 words
A stabilized solution according to claim 8, wherein the chlorine-based oxidant is at least one compound selected from the group consisting of chlorine, hypochlorous acid, a salt thereof, a chlorinated isocyanuric acid, and a chlorinated hydantoin.
Claim 12
Dependent Claim
35 words
A stabilized solution according to claim 8 or 9, wherein the bromide is sodium bromide, potassium bromide, calcium bromide, or magnesium bromide, and the iodide is sodium iodide, potassium iodide, calcium iodide or magnesium iodide.
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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) | 1986-10-24 | 1987-04-25 | 1987-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-24 | 1991-04-25 | 1991-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-24 | 1995-04-25 | 1995-10-25 | $7700.00 | Window Closed / Lapsed |