US3970576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bacteriostatic toilet bowl cleaner compositions
Assignee: Reckitt and Colman Subsidiary Corp
•
Filing: 1975-03-21
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Granted: 1976-07-20
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Expires: 1995-03-21
Abstract
Abstract New automatic toilet bowl cleaner compositions that are capable of inhibiting the growth or multiplication of microbiological organisms are described herein. The bacteriostatic agent in the above compositions is 5-chloro-2-(2,4-dichlorophenoxy)phenol.
Inventors
- 👤 Robert Carmello
- 👤 Barry A. Salka
- 👤 Garland G. Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:43
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; A; A01; A01N; A01N31/00; A01N31/08; A01N31/16
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
99 words
An anti-bacterial solid composition consisting essentially of: Component % By Weight
______________________________________
5-Chloro-2-(2,4 dichlorophenoxy)phenol
1-3
Ethoxylated alcohol adduct
20-90
Alkoxylated primary fatty alcohol
0.1-10
Polyethylene glycol 0.1-10
Sodium sulfate, perfume, dye
Sufficient to
make up to 100%
______________________________________ wherein 5-chloro-2-(2,4-dichlorophenoxy)phenol is present at a use dilution of about 0.1 parts per million to less than 1.0 parts per million, wherein the alkyl chain length of the alkoxylated primary alcohol is from about 12 carbon atoms to 15 carbon atoms and the alkyl chain length of the ethoxylated alcohol adduct is from 16 carbon atoms to about 20 carbon atoms.
Claim 2
Dependent Claim
99 words
An anti-bacterial solid composition consisting essentially of: Component % By Weight
______________________________________
5-Chloro-2-(2,4 dichlorophenoxy)phenol
1-3
Ethoxylated alcohol adduct
20-90
Alkoxylated primary fatty alcohol
0.1-10
Polyethylene glycol 0.1-10
Sodium sulfate, perfume, dye
Sufficient to
make up to 100%
______________________________________ wherein 5-chloro-2-(2,4-dichlorophenoxy)phenol is present at a use dilution of about 0.1 parts per million to less than 1.0 parts per million, wherein the alkyl chain length of the alkoxylated primary alcohol is from about 12 carbon atoms to 15 carbon atoms and the alkyl chain length of the ethoxylated alcohol adduct is from 16 carbon atoms to about 20 carbon atoms.
Claim 3
Dependent Claim
44 words
A composition according to claim 1 wherein the components have the following proportions: Components % By Weight
______________________________________
5-Chloro-2-(2,4 dichlorophenoxy)phenol
1-3
Ethoxylated alcohol adduct
25-35
Alkoxylated primary fatty alcohol
2-8
Polyethylene glycol 2-8
Sodium sulfate, perfume, dye
Sufficient to
make up to 100%.
______________________________________
Claim 4
Dependent Claim
25 words
A composition according to claim 1 wherein the alkoxylated primary fatty alcohol is a 50% ethylene oxide, 10% propylene oxide adduct of a linear alcohol.
Claim 5
Dependent Claim
17 words
A composition according to claim 1, wherein the polyethylene glycol has a molecular weight of approximately 6000.
Claim 6
Independent Claim
124 words
A method for preventing the growth or multiplication of E. coli in toilet bowls which comprises dispensing into the water of a toilet an antibacterial solid composition consisting essentially of: Component % By Weight
______________________________________
5-Chloro-2-(2,4 dichlorophenoxy)phenol
1-3
Ethoxylated alcohol adduct
20-90
Alkoxylated primary fatty alcohol
0.1-10
Polyethylene glycol 0.1-10
Sodium sulfate, perfume, dye
Sufficient to
make up to 100%
______________________________________ wherein 5-chloro-2-(2,4-dichlorophenoxy)phenol is present at a use dilution in amounts of about 0.1 parts per million to less than 3.0 parts per million, wherein the alkyl chain length of the alkoxylated primary alcohol is from about 12 carbon atoms to 15 carbon atoms and the alkyl chain length of the ethoxylated alcohol adduct is from 16 carbon atoms to about 20 carbon atoms.
Claim 7
Independent Claim
124 words
A method for preventing the growth or multiplication of E. coli in toilet bowls which comprises dispensing into the water of a toilet an antibacterial solid composition consisting essentially of: Component % By Weight
______________________________________
5-Chloro-2-(2,4 dichlorophenoxy)phenol
1-3
Ethoxylated alcohol adduct
20-90
Alkoxylated primary fatty alcohol
0.1-10
Polyethylene glycol 0.1-10
Sodium sulfate, perfume, dye
Sufficient to
make up to 100%
______________________________________ wherein 5-chloro-2-(2,4-dichlorophenoxy)phenol is present at a use dilution in amounts of about 0.1 parts per million to less than 3.0 parts per million, wherein the alkyl chain length of the alkoxylated primary alcohol is from about 12 carbon atoms to 15 carbon atoms and the alkyl chain length of the ethoxylated alcohol adduct is from 16 carbon atoms to about 20 carbon atoms.
Claim 8
Dependent Claim
37 words
A method for preventing the growth or multiplication of S. aureus, P. mirabilis and E. coli in toilet bowls which comprises dispensing the composition of claim 1 into the water of a toilet to prevent such growth.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |