Patent US2556937A successfully refreshed from Google Patents.
Patent US3853907A successfully refreshed from Google Patents.
US3853907A
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Antibacterial bis(imidazolium quaternary salts)
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1972-09-28
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Granted: 1974-12-10
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Expires: 1992-09-28
Abstract
Abstract The disclosure relates to bis(imidazolium quaternary salts), a process for their manufacture, compositions containing them, and a method of preventing the growth of, or killing, bacteria by applying one of the novel imidazolium salts to a bacteriallyinfected environment.
Inventors
- 👤 P Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4946; A61P; A61P31/00; A61P31/04; A61Q; A61Q11/00; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D233/00; C07D233/54; C07D233/56; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/08; C07D235/24; C07D235/30
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
13 words
AN IMIDAZOLE DERIVATIVES SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
13 words
AN IMIDAZOLE DERIVATIVES SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 3
Dependent Claim
1 words
-CH2.CH(OH).CH2-
Claim 4
Dependent Claim
1 words
-CH2.CH(OH).CH2-
Claim 5
Dependent Claim
99 words
An imidazole derivative according to claim 1 wherein R3 is an n-octyl, n-decyl, n-dodecyl, 4-chlorobenzyl, 2,4-dichloro-benzyl or 3-n-heptylozy-2-hydroxypropyl; R4 is hydrogen or methyl; and A is a linking group selected from groups of the formula 1 to 6 in claim 1 in which in formula 1, n is 2, 4, 6, 8, 10 or 12, in formula 3, q is o, in formula 4, m is 1 and n is 4, 6, 8, 10 or 12, and in formula 6, r is 1, 2 or 3 and Z is o- or p-phenylene, 2,5-dimethyl-1,4-phenylene, 2,5-dimethoxy-1,4-phenylene, 2,4,5,6-tetrachloro-1,3-phenylene, 1,5-naphthylene, 1,4-phenylenedioxy or n-hexylenedioxy.
Claim 6
Dependent Claim
4 words
The compound 1,1''-(1,2-xylylene)di(3-n-decylimidazolium chloride).
Claim 7
Dependent Claim
4 words
The compound 1,1''-(1,2-xylylene)di(3-n-decylimidazolium chloride).
Claim 8
Dependent Claim
1 words
-(CH2)2.(OCH2CH2)p.O(CH2)2-
Claim 9
Dependent Claim
1 words
-(CH2)2.(OCH2CH2)p.O(CH2)2-
Claim 10
Dependent Claim
1 words
-(CH2)m.CO.NH(CH2)nNH.CO(CH2)m-
Claim 11
Dependent Claim
1 words
-(CH2)m.CO.NH(CH2)nNH.CO(CH2)m-
Claim 12
Dependent Claim
4 words
The compound 1,1''-octamethylenebis(carbamoylmethyl)di-(3-n-decylimidazolium chloride).
Claim 13
Dependent Claim
4 words
The compound 1,1''-octamethylenebis(carbamoylmethyl)di-(3-n-decylimidazolium chloride).
Claim 14
Dependent Claim
4 words
The compound 1,1''-decamethylenebis(carbamoylmethyl)di-(3-n-octylimidazolium chloride).
Claim 15
Dependent Claim
4 words
The compound 1,1''-decamethylenebis(carbamoylmethyl)di-(3-n-octylimidazolium chloride).
Claim 16
Dependent Claim
1 words
-CH2CO.NH(CH2)5O(CH2)5NH.COCH2-
Claim 17
Dependent Claim
1 words
-CH2CO.NH(CH2)5O(CH2)5NH.COCH2-
Claim 18
Dependent Claim
51 words
-(CH2)r.Z.(CH2)r-wherein n is 2 to 12, m is 1 or 2, p is 0 to 2, r is 1 to 4 and Z is unsubstituted phenylene, naphthylene or phenylenedioxy, or one of these substituted by chlorine, methoxy or methyl or alkylenedioxy of 2 to 12 carbons; and compounds of the formula:
Claim 19
Dependent Claim
51 words
-(CH2)r.Z.(CH2)r-wherein n is 2 to 12, m is 1 or 2, p is 0 to 2, r is 1 to 4 and Z is unsubstituted phenylene, naphthylene or phenylenedioxy, or one of these substituted by chlorine, methoxy or methyl or alkylenedioxy of 2 to 12 carbons; and compounds of the formula:
Claim 20
Dependent Claim
4 words
The compound 1,1''-decamethylenebis(3-n-decyl-2-methylimidazolium bromide).
Claim 21
Dependent Claim
4 words
The compound 1,1''-decamethylenebis(3-n-decyl-2-methylimidazolium bromide).
Claim 22
Dependent Claim
5 words
The compound 1,1''-(4,11-dioxotetradecamethylene-bis(carbamoylmethyl))di(3-n -octylimidazolium chloride).
Claim 23
Dependent Claim
5 words
The compound 1,1''-(4,11-dioxotetradecamethylene-bis(carbamoylmethyl))di(3-n -octylimidazolium chloride).
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |