Patent US3897357A successfully refreshed from Google Patents.
US3897357A
Expired / Lapsed
US
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Bacteriostatic toilet bowl cleaner compositions
Assignee: Reckitt and Colman Subsidiary Corp
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Filing: 1972-12-06
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Granted: 1975-07-29
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Expires: 1992-12-06
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
2026-10-24 16:34
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; A; A01; A01N; A01N31/00; A01N31/08; A01N31/16
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
30 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 LIQUID COMPOSITION CONSISTING ESSENTIALLY OF:
Claim 2
Independent Claim
30 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 LIQUID COMPOSITION CONSISTING ESSENTIALLY OF:
Claim 3
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
Claim 4
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
Claim 5
Dependent Claim
20 words
A composition according to claim 2, wherein the linear alkyl aryl sulfonate salts have alkyl carbon chain length from C1-C15.
Claim 6
Dependent Claim
31 words
A composition according to claim 2 wherein the alkoxylated primary fatty alcohol is a 50% ethylene oxide, 10% propylene oxide adduct of a linear alcohol whose carbon chain length is C12-C15.
Claim 7
Dependent Claim
16 words
A composition according to claim 3 wherein the alkyl aryl sulfonate salt is sodium xylene sulfonate.
Claim 8
Dependent Claim
14 words
A composition according to claim 3 wherein the alkyl aryl sulfonate salt is tri-ethanolaminedodecylbenzenesulfonate.
Claim 9
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 2 into the water of a toilet to prevent such growth.
Claim 10
Dependent Claim
16 words
A composition according to claim 2 wherein 5-chloro-2-(2,4-dichlorophenoxy)phenol has a lower limit of about 1.1 percent.
Claim 11
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
Claim 12
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
Claim 13
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
Claim 14
Dependent Claim
7 words
An antibacterial liquid composition consisting essentially of:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |