US3639255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dispersing oil slicks
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1968-04-24
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Granted: 1972-02-01
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Expires: 1988-04-24
Abstract
Abstract A process of dispersing oil slicks on natural water areas using a water-insoluble condensate of 1 mole of monohydric aliphatic alcohol having 11 to 20 carbon atoms (or mixtures) with from 1.5 to 6.0 moles of ethylene oxide as an emulsifier is disclosed.
Inventors
- 👤 Guy Boardman
- 👤 Fred Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/32; C10L1/328; C02; C02F; C02F1/00; C02F1/68; C02F1/682; C09; C09K; C09K23/00; C09K23/42; D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/6498; D06P3/00; D06P3/34; D06P3/36; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/925; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
27 words
A process as claimed in claim 1 wherein the emulsifying agent is the condensation product of a mixture of cetyl alcohol and oleyl alcohol with ethylene oxide.
Claim 2
Dependent Claim
32 words
A process as claimed in claim 1 wherein the emulsifying agent is the condensation product of 1 molecular proportion of said alcohol with from 2.0 to 4.0 molecular proportions of ethylene oxide.
Claim 3
Dependent Claim
34 words
A process as claimed in claim 1 wherein the emulsifying agent is the condensation product of 3.5 molecular proportions of ethylene oxide with one molecular proportion of a mixture of cetyl and oleyl alcohols.
Claim 4
Dependent Claim
32 words
A process as claimed in claim 1 wherein the emulsifying agent is used in conjunction with a solvent therefore selected from the group consisting of solvent naphtha, xylene and light oil distillates.
Claim 5
Dependent Claim
27 words
A process as claimed in claim 1 wherein the mixture of water, oil and emulsifying agent is subjected to mechanical agitation To increase the rate of emulsification.
References Cited (Backward Citations)
US1970578A
Cited
US3284352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |