Patent US4015013A successfully refreshed from Google Patents.
US4015013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain quaternary ammonium salts used to control gram-negative bacteria
Assignee: Rhone Poulenc SA
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Filing: 1975-06-10
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Granted: 1977-03-29
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Expires: 1995-06-10
Abstract
Abstract Quaternary ammonium salts of the formula: <IMAGE> in which R is alkyl of 7 to 16 carbon atoms and X<-> is a monovalent anion, have interesting germicidal properties, especially against Gram-negative bacteria.
Inventors
- 👤 Andre Henri Passedouet
- 👤 Robert Pipon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:12
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/89
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
59 words
A method of killing or preventing the growth of Gram-negative bacteria which comprises contacting said bacteria with an amount of a quaternary ammonium compound of the formula: ##STR5## in which R is straight or branched alkyl of 7 to 16 carbon atoms and X - is a monovalent anion, sufficient to kill or prevent the growth of said bacteria.
Claim 2
Independent Claim
59 words
A method of killing or preventing the growth of Gram-negative bacteria which comprises contacting said bacteria with an amount of a quaternary ammonium compound of the formula: ##STR5## in which R is straight or branched alkyl of 7 to 16 carbon atoms and X - is a monovalent anion, sufficient to kill or prevent the growth of said bacteria.
Claim 3
Dependent Claim
24 words
The method according to claim 1 in which in the said compound the anion X - is the chloride, bromide, iodide or methosulphate ion.
Claim 4
Dependent Claim
22 words
The method according to claim 1 in which in the said compound R is n-heptyl, n-octyl, 2-ethyl-hexyl, n-decyl, n-dodecyl, n-tetradecyl or n-hexadecyl.
Claim 5
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-heptyl-dimethyl-ammonium chloride.
Claim 6
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-octyl-dimethylammonium chloride.
Claim 7
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-(2-ethyl-hexyl)dimethylammonium chloride.
Claim 8
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-decyl-dimethylammonium chloride.
Claim 9
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-dodecyl-dimethylammonium chloride.
Claim 10
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-tetradecyl-dimethylammonium chloride.
Claim 11
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-decyl-dimethylammonium bromide.
Claim 12
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-decyl-dimethylammonium iodide.
Claim 13
Dependent Claim
14 words
The method according to claim 1 in which the said compound is (4-fluoro-carbanilino-methyl)-n-decyl-dimethylammonium nitrate.
Claim 14
Dependent Claim
14 words
The method according to claim 1 in which the said bacteria are Pseudomonas aeruginosa.
References Cited (Backward Citations)
DE837532C
Cited
US3014046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-28 | 1980-09-27 | 1981-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-28 | 1984-09-27 | 1985-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-28 | 1988-09-27 | 1989-03-29 | $7700.00 | Window Closed / Lapsed |