US4394378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-(Trimethoxysilyl) propyldidecylmethyl ammonium salts and method of inhibiting growth of microorganisms therewith
Assignee: CARAGEST/AG
•
Filing: 1981-07-08
•
Granted: 1983-07-19
•
Expires: 2001-07-08
Abstract
Abstract The growth of bacteria, fungi or the like is inhibited by contacting such microorganisms with an effective amount of certain silyl quaternary ammonium salts, e.g., 3-(trimethoxysilyl) propyldidecylmethyl ammonium chloride.
Inventors
- 👤 Stewart E. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:12
CPC Classifications
A; A01; A01N; A01N55/00; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
25 words
A silyl quaternary ammonium compound having the formula ##STR1## wherein X is selected from the group consisting of fluoride, chloride, bromide, iodide, sulfate and acetate.
Claim 2
Dependent Claim
25 words
A silyl quaternary ammonium compound having the formula ##STR1## wherein X is selected from the group consisting of fluoride, chloride, bromide, iodide, sulfate and acetate.
Claim 3
Dependent Claim
3 words
3-(trimethoxysilyl)propyldidecylmethyl ammonium chloride.
Claim 4
Dependent Claim
3 words
3-(trimethoxysilyl)propyldidecylmethyl ammonium chloride.
Claim 5
Independent Claim
57 words
A method of inhibiting the growth of Staph aureus and/or K. pneumoniae on surface reactive substrates by contacting said organisms with a silyl quaternary ammonium compound of the formula ##STR2## wherein X is selected from the group consisting of fluoride, chloride, bromide, iodide, sulfate and acetate, in an amount effective to inhibit the growth of said organisms.
Claim 6
Independent Claim
57 words
A method of inhibiting the growth of Staph aureus and/or K. pneumoniae on surface reactive substrates by contacting said organisms with a silyl quaternary ammonium compound of the formula ##STR2## wherein X is selected from the group consisting of fluoride, chloride, bromide, iodide, sulfate and acetate, in an amount effective to inhibit the growth of said organisms.
Claim 7
Dependent Claim
14 words
The method of claim 3, wherein the quaternary ammonium compound is 3-(trimethoxysilyl)propyldidecylmethyl ammonium chloride.
Claim 8
Dependent Claim
12 words
The method of claim 3 wherein said substrate is a siliceous material.
Claim 9
Dependent Claim
11 words
The method of claim 3 wherein said substrate is a metal.
Claim 10
Dependent Claim
20 words
The method of claim 3 wherein said substrate is selected from the group consisting of leather, wood, rubber and plastic.
Claim 11
Dependent Claim
16 words
The method of claim 3 wherein said substrate is made of natural or synthetic textile fibers.
Claim 12
Dependent Claim
25 words
The method of claim 8 wherein the quaternary compound is employed in an amount of from 0.1 to 1.0% by weight of said textile substrate.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-18 | 1987-01-17 | 1987-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-18 | 1991-01-17 | 1991-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-18 | 1995-01-17 | 1995-07-19 | $7700.00 | Window Closed / Lapsed |