US4144152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehalogenation of halogenated compounds
Assignee: Atlantic Research Corp
•
Filing: 1978-03-27
•
Granted: 1979-03-13
•
Expires: 1998-03-27
Abstract
Abstract Process for degrading halogenated organic compound having C-halogen groups to remove halogen atoms from said compound by treating it with ultraviolet (UV) radiation and hydrogen. Process for degrading such compound by treating it in aqueous alkaline solution with UV radiation.
Inventors
- 👤 Judith A. F. Kitchens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:18
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/37; A62D3/10; A62D3/17; A62D3/176; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C; C07; C07C; C07C1/00; C07C1/26; C07C45/00; C07C45/61; C07C45/65; C07C51/00; C07C51/347; C07C51/377; A62D2101/00; A62D2101/04; A62D2101/20; A62D2101/22; A62D2203/00; A62D2203/04; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/903; Y10S204/904; Y10S204/912
Claims Analysis
Total Claims: 115
Claim 1
Independent Claim
50 words
Process for reducing a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, comprising: treating said compound with ultraviolet radiation in the range of about 1800 to 4000A and hydrogen in the absence of any substantial amount of oxidizing agent.
Claim 2
Dependent Claim
50 words
Process for reducing a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, comprising: treating said compound with ultraviolet radiation in the range of about 1800 to 4000A and hydrogen in the absence of any substantial amount of oxidizing agent.
Claim 3
Dependent Claim
14 words
Process of claim 1 in which the compound has a plurality of carbon-halogen groups.
Claim 4
Dependent Claim
12 words
Process of claim 2 wherein the UV wavelength range is about 1800-2540A.
Claim 5
Dependent Claim
12 words
Process of claim 2 in which the compound is in liquid solution.
Claim 6
Dependent Claim
12 words
Process of claim 4 wherein the UV wavelength range is about 1800-2540A.
Claim 7
Dependent Claim
12 words
Process of claim 4 in which the solution comprises an organic solvent.
Claim 8
Dependent Claim
10 words
Process of claim 6 in which the compound is kepone.
Claim 9
Dependent Claim
12 words
Process of claim 6 in which the compound is polybrominated phthalic anhydride.
Claim 10
Dependent Claim
11 words
Process of claim 6 in which the compound is polyhalogenated biphenyl.
Claim 11
Dependent Claim
11 words
Process of claim 9 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 12
Dependent Claim
12 words
Process of claim 6 wherein the UV wavelength range is about 1800-2540A.
Claim 13
Dependent Claim
10 words
Process of claim 11 in which the compound is kepone.
Claim 14
Dependent Claim
12 words
Process of claim 11 in which the compound is polybrominated phthalic anhydride.
Claim 15
Dependent Claim
11 words
Process of claim 11 in which the compound is polyhalogenated biphenyl.
Claim 16
Dependent Claim
11 words
Process of claim 14 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 17
Dependent Claim
11 words
Process of claim 6 in which the organic solvent is methanol.
Claim 18
Dependent Claim
10 words
Process of claim 16 in which the compound is kepone.
Claim 19
Dependent Claim
12 words
Process of claim 16 in which the compound is polybrominated phthalic anhydride.
Claim 20
Dependent Claim
11 words
Process of claim 16 in which the compound is polyhalogenated biphenyl.
Claim 21
Dependent Claim
11 words
Process of claim 19 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 22
Dependent Claim
12 words
Process of claim 16 wherein the UV wavelength range is about 1800-2540A.
Claim 23
Dependent Claim
10 words
Process of claim 21 in which the compound is kepone.
Claim 24
Dependent Claim
12 words
Process of claim 21 in which the compound is polybrominated phthalic anhydride.
Claim 25
Dependent Claim
11 words
Process of claim 21 in which the compound is polyhalogenated biphenyl.
Claim 26
Dependent Claim
11 words
Process of claim 24 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 27
Dependent Claim
12 words
Process of claim 1 in which the compound is in liquid solution.
Claim 28
Dependent Claim
12 words
Process of claim 26 wherein the UV wavelength range is about 1800-2540A.
Claim 29
Dependent Claim
12 words
Process of claim 3 in which the solution comprises an organic solvent.
Claim 30
Dependent Claim
12 words
Process of claim 28 wherein the UV wavelength range is about 1800-2540A.
Claim 31
Dependent Claim
11 words
Process of claim 28 in which the organic solvent is methanol.
Claim 32
Dependent Claim
12 words
Process of claim 30 wherein the UV wavelength range is about 1800-2540A.
Claim 33
Dependent Claim
12 words
Process of claim 1 wherein the UV wavelength range is about 1800-2540A.
Claim 34
Dependent Claim
91 words
Process for degrading a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, said compound being of the type which forms alkali metal salts when treated with an aqueous alkaline solution containing sodium or potassium ions, comprising, dissolving said compound in a solvent comprising an aqueous alkaline solution containing sodium and/or potassium ions, said solution being substantially free from organic solvent, with ultraviolet radiation in the range of about 1800 to 4000A substantially in the absence of other compound treating agent.
Claim 35
Dependent Claim
91 words
Process for degrading a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, said compound being of the type which forms alkali metal salts when treated with an aqueous alkaline solution containing sodium or potassium ions, comprising, dissolving said compound in a solvent comprising an aqueous alkaline solution containing sodium and/or potassium ions, said solution being substantially free from organic solvent, with ultraviolet radiation in the range of about 1800 to 4000A substantially in the absence of other compound treating agent.
Claim 36
Dependent Claim
14 words
Process of claim 33 in which the compound has a plurality of carbon-halogen groups.
Claim 37
Dependent Claim
13 words
Process of claim 34 in which the ultraviolet wavelength range is about 1800-2540A.
Claim 38
Dependent Claim
10 words
Process of claim 35 in which the compound is kepone.
Claim 39
Dependent Claim
10 words
Process of claim 34 in which the compound is kepone.
Claim 40
Dependent Claim
18 words
Process of claim 33 in which the solvent is a solution of sodium and/or potassium oxide and/or hydroxide.
Claim 41
Dependent Claim
13 words
Process of claim 38 in which the ultraviolet wavelength range is about 1800-2540A.
Claim 42
Dependent Claim
10 words
Process of claim 39 in which the compound is kepone.
Claim 43
Dependent Claim
10 words
Process of claim 38 in which the compound is kepone.
Claim 44
Dependent Claim
13 words
Process of claim 33 in which the ultraviolet wavelength range is about 1800-2540A.
Claim 45
Dependent Claim
10 words
Process of claim 42 in which the compound is kepone.
Claim 46
Dependent Claim
10 words
Process of claim 33 in which the compound is kepone.
Claim 47
Dependent Claim
56 words
Process for degrading a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, comprising: treating an alkaline liquid solution of said compound with ultraviolet radiation in the range of about 1800 to 4000 A and hydrogen in the absence of any substantial amount of oxidizing agent.
Claim 48
Dependent Claim
56 words
Process for degrading a halogenated organic compound having at least one carbon-halogen group in such manner as to remove halogen from said compound, comprising: treating an alkaline liquid solution of said compound with ultraviolet radiation in the range of about 1800 to 4000 A and hydrogen in the absence of any substantial amount of oxidizing agent.
Claim 49
Dependent Claim
16 words
Process of claim 45 in which alkalinity is produced by sodium and/or potassium oxide and/or hydroxide.
Claim 50
Dependent Claim
12 words
Process of claim 46 wherein the UV wavelength range is about 1800-2540A.
Claim 51
Dependent Claim
50 words
Process of claim 40 in which the compound is of the type which forms alkali metal salts when treated with an aqueous alkaline solution containing sodium or potassium ions and the solvent comprises an aqueous alkaline solution containing sodium and/or potassium ions, said solution being substantially free from organic solvent.
Claim 52
Dependent Claim
12 words
Process of claim 48 wherein the UV wavelength range is about 1800-2540A.
Claim 53
Dependent Claim
14 words
Process of claim 48 in which the compound has a plurality of carbon-halogen groups.
Claim 54
Dependent Claim
10 words
Process of claim 50 in which the compound is kepone.
Claim 55
Dependent Claim
18 words
Process of claim 50 in which the solvent comprises a solution of sodium and/or potassium oxide and/or hydroxide.
Claim 56
Dependent Claim
10 words
Process of claim 52 in which the compound is kepone.
Claim 57
Dependent Claim
12 words
Process of claim 52 wherein the UV wavelength range is about 1800-2540A.
Claim 58
Dependent Claim
10 words
Process of claim 54 in which the compound is kepone.
Claim 59
Dependent Claim
12 words
Process of claim 50 wherein the UV wavelength range is about 1800-2540A.
Claim 60
Dependent Claim
10 words
Process of claim 56 in which the compound is kepone.
Claim 61
Dependent Claim
18 words
Process of claim 48 in which the solvent comprises a solution of sodium and/or potassium oxide and/or hydroxide.
Claim 62
Dependent Claim
12 words
Process of claim 58 wherein the UV wavelength range is about 1800-2540A.
Claim 63
Dependent Claim
12 words
Process of claim 45 wherein the UV wavelength range is about 1800-2540A.
Claim 64
Dependent Claim
14 words
Process of claim 45 in which the compound has a plurality of carbon-halogen groups.
Claim 65
Dependent Claim
12 words
Process of claim 61 wherein the UV wavelength range is about 1800-2540A.
Claim 66
Dependent Claim
16 words
Process of claim 61 in which alkalinity is produced by sodium and/or potassium oxide and/or hydroxide.
Claim 67
Dependent Claim
12 words
Process of claim 63 wherein the UV wavelength range is about 1800-2540A.
Claim 68
Dependent Claim
12 words
Process of claim 61 in which the solution comprises an organic solvent.
Claim 69
Dependent Claim
10 words
Process of claim 65 in which the compound is kepone.
Claim 70
Dependent Claim
12 words
Process of claim 65 in which the compound is polybrominated phthalic anhydride.
Claim 71
Dependent Claim
11 words
Process of claim 65 in which the compound is polyhalogenated biphenyl.
Claim 72
Dependent Claim
11 words
Process of claim 68 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 73
Dependent Claim
16 words
Process of claim 65 in which alkalinity is produced by sodium and/or potassium oxide and/or hydroxide.
Claim 74
Dependent Claim
10 words
Process of claim 70 in which the compound is kepone.
Claim 75
Dependent Claim
12 words
Process of claim 70 in which the compound is polybrominated phthalic anhydride.
Claim 76
Dependent Claim
11 words
Process of claim 70 in which the compound is polyhalogenated biphenyl.
Claim 77
Dependent Claim
11 words
Process of claim 73 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 78
Dependent Claim
11 words
Process of claim 70 in which the organic solvent is methanol.
Claim 79
Dependent Claim
10 words
Process of claim 75 in which the compound is kepone.
Claim 80
Dependent Claim
12 words
Process of claim 75 in which the compound is polybrominated phthalic anhydride.
Claim 81
Dependent Claim
11 words
Process of claim 75 in which the compound is polyhalogenated biphenyl.
Claim 82
Dependent Claim
11 words
Process of claim 78 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 83
Dependent Claim
12 words
Process of claim 75 wherein the UV wavelength range is about 1800-2540A.
Claim 84
Dependent Claim
10 words
Process of claim 80 in which the compound is kepone.
Claim 85
Dependent Claim
12 words
Process of claim 42 in which the compound is polybrominated phthalic anhydride.
Claim 86
Dependent Claim
11 words
Process of claim 80 in which the compound is polyhalogenated biphenyl.
Claim 87
Dependent Claim
11 words
Process of claim 83 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 88
Dependent Claim
12 words
Process of claim 70 wherein the UV wavelength range is about 1800-2540A.
Claim 89
Dependent Claim
10 words
Process of claim 85 in which the compound is kepone.
Claim 90
Dependent Claim
12 words
Process of claim 85 in which the compound is polybrominated phthalic anhydride.
Claim 91
Dependent Claim
11 words
Process of claim 85 in which the compound is polyhalogenated biphenyl.
Claim 92
Dependent Claim
11 words
Process of claim 88 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 93
Dependent Claim
11 words
Process of claim 65 in which the organic solvent is methanol.
Claim 94
Dependent Claim
10 words
Process of claim 90 in which the compound is kepone.
Claim 95
Dependent Claim
12 words
Process of claim 90 in which the compound is polybrominated phthalic anhydride.
Claim 96
Dependent Claim
11 words
Process of claim 90 in which the compound is polyhalogenated biphenyl.
Claim 97
Dependent Claim
11 words
Process of claim 93 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 98
Dependent Claim
12 words
Process of claim 90 wherein the UV wavelength range is about 1800-2540A.
Claim 99
Dependent Claim
10 words
Process of claim 95 in which the compound is kepone.
Claim 100
Dependent Claim
12 words
Process of claim 95 in which the compound is polybrominated phthalic anhydride.
Claim 101
Dependent Claim
11 words
Process of claim 95 in which the compound is polyhalogenated biphenyl.
Claim 102
Dependent Claim
11 words
Process of claim 98 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 103
Dependent Claim
12 words
Process of claim 65 wherein the UV wavelength range is about 1800-2540A.
Claim 104
Dependent Claim
10 words
Process of claim 100 in which the compound is kepone.
Claim 105
Dependent Claim
12 words
Process of claim 100 in which the compound is polybrominated phthalic anhydride.
Claim 106
Dependent Claim
11 words
Process of claim 100 in which the compound is polyhalogenated biphenyl.
Claim 107
Dependent Claim
11 words
Process of claim 103 in which the polyhalogenated biphenyl is polychlorobiphenyl.
Claim 108
Dependent Claim
12 words
Process of claim 45 in which the solution comprises an organic solvent.
Claim 109
Dependent Claim
12 words
Process of claim 105 wherein the UV wavelength range is about 1800-2540A.
Claim 110
Dependent Claim
11 words
Process of claim 105 in which the organic solvent is methanol.
Claim 111
Dependent Claim
12 words
Process of claim 107 wherein the UV wavelength range is about 1800-2540A.
Claim 112
Dependent Claim
16 words
Process of claim 105 in which alkalinity is produced by sodium and/or potassium oxide and/or hydroxide.
Claim 113
Dependent Claim
12 words
Process of claim 109 wherein the UV wavelength range is about 1800-2540A.
Claim 114
Dependent Claim
11 words
Process of claim 109 in which the organic solvent is methanol.
Claim 115
Dependent Claim
12 words
Process of claim 111 wherein the UV wavelength range is about 1800-2540A.
References Cited (Backward Citations)
US3977952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-12 | 1982-09-11 | 1983-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-12 | 1986-09-11 | 1987-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-12 | 1990-09-11 | 1991-03-13 | $7700.00 | Window Closed / Lapsed |