US4233174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-break cleaning compositions
Assignee: Diamond Shamrock UK Ltd
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Filing: 1979-01-12
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Granted: 1980-11-11
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Expires: 1999-01-12
Abstract
Abstract A cleaning composition which comprises: (a) from 35 to 80 wt % of one or both of a fatty alcohol ethoxylate (having from 8 to 18 carbon atoms in the alcohol moiety and from 2 to 10 moles ethylene oxide per mole alcohol) and a higher alkyl phenol ethoxylate (having from 8 to 12 carbon atoms in the alkyl moiety and from 4 to 10 moles ethylene oxide per mole phenol); and (b) from 65 to 20 wt % of a phenol, or lower alkyl phenol, ethoxylate having from 1 to 4 carbon atoms in the alkyl group (if present) and from 3 to 10 moles ethylene oxide per mole phenol. The composition forms emulsions with oily soils which break quickly on standing. The compositions may therefore be used to emulsify oil sludge in oil storage or transport tanks, the oil being recoverable when the emulsion with the cleaning agent breaks.
Inventors
- 👤 Geoffrey P. Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:07
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/72; C11D1/825; C11D1/8255; C11D1/02; C11D1/12; C11D1/123
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
100 words
A cleaning composition which comprises: (a) from 35 to 80 wt % of a surfactant selected from the group consisting of a fatty alcohol ethoxylate having from 8 to 18 carbon atoms in the alcohol moiety and from 2 to 10 moles ethylene oxide per mole alcohol, a higher alkyl phenol ethoxylate having from 8 to 12 carbon atoms in the alkyl moiety and from 4 to 10 moles ethylene oxide per mole phenol and mixtures thereof; and (b) from 65 to 20 wt % of phenol ethoxylate having from 3 to 10 moles ethylene oxide per mole of phenol.
Claim 2
Dependent Claim
100 words
A cleaning composition which comprises: (a) from 35 to 80 wt % of a surfactant selected from the group consisting of a fatty alcohol ethoxylate having from 8 to 18 carbon atoms in the alcohol moiety and from 2 to 10 moles ethylene oxide per mole alcohol, a higher alkyl phenol ethoxylate having from 8 to 12 carbon atoms in the alkyl moiety and from 4 to 10 moles ethylene oxide per mole phenol and mixtures thereof; and (b) from 65 to 20 wt % of phenol ethoxylate having from 3 to 10 moles ethylene oxide per mole of phenol.
Claim 3
Dependent Claim
19 words
A cleaning composition as claimed in claim 1 containing from 40 to 70 wt % of the said surfactant.
Claim 4
Dependent Claim
26 words
A cleaning composition as claimed in claim 1 wherein said surfactant is a fatty alcohol ethoxylate derived from an alcohol having 12 to 15 carbon atoms.
Claim 5
Dependent Claim
33 words
A cleaning composition as claimed in claim 1 wherein said surfactant is a fatty alcohol ethoxylate formed by ethoxylating a fatty alcohol with from 2 to 6 moles of ethylene oxide per mole.
Claim 6
Dependent Claim
25 words
A cleaning composition as claimed in claim 1 wherein said surfactant is a higher alkyl phenol ethoxylate containing 9 carbon atoms in the alkyl moiety.
Claim 7
Dependent Claim
31 words
A cleaning composition as claimed in claim 1 wherein said surfactant is a higher alkyl phenol ethoxylate containing the residues of from 4 to 8 moles of ethylene oxide per mole.
Claim 8
Dependent Claim
15 words
A cleaning composition as claimed in claim 1 containing an alkyl sulphosuccinate cloud point elevator.
Claim 9
Dependent Claim
21 words
A composition as claimed in claim 1 dissolved in a solvent selected from the group consisting of water and a hydrocarbon.
Claim 10
Dependent Claim
18 words
A composition as claimed in claim 8 containing from 95 to 50 percent by weight of the solvent.
Claim 11
Dependent Claim
31 words
A method of removing an oily soil from a substrate which comprises applying a composition as claimed in claim 1 to the soil whereby the oily soil is emulsified and removed.
Claim 12
Dependent Claim
25 words
A method as claimed in claim 10 wherein the emulsion is allowed to stand until it breaks, and the oily and composition phases are separated.
Claim 13
Dependent Claim
67 words
A composition as claimed in claim 1 which is a solution in a solvent selected from the group consisting of white spirit, kerosene and gas-oil of about equal parts by weight of a C 12 to C 15 fatty alcohol ethoxylate containing about 4 moles of ethylene oxide per mole and about 50% by weight of phenol ethoxylate containing about 4 moles of ethylene oxide per mole.
Claim 14
Dependent Claim
49 words
A method of cleaning an oil storage tank which comprises cleaning the tank with a composition as claimed in claim 12 to form an oil emulsion removing the emulsion from the tank and allowing the emulsion to stand until it breaks, and recovering the oil from the broken emulsion.
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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) | 1983-11-11 | 1984-05-12 | 1984-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-11 | 1988-05-12 | 1988-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-11 | 1992-05-12 | 1992-11-11 | $7700.00 | Window Closed / Lapsed |