US3681264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bilge cleaner composition
Assignee: CHESTER J PIGULSKI
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Filing: 1971-01-08
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Granted: 1972-08-01
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Expires: 1991-01-08
Abstract
Abstract A COMPOSITION WHICH IS PARTICULARLY USEFUL AS A BILGE CLEANER AND AS AN OIL SLICK DISPERSANT IS COMPRISED OF AN AQUEOUS SOLUTION OF FROM ABOUT 5 TO 7 PERCENT BY WEIGHT OF A MIXTURE OF ALKYLOLAMIDE ALKYL ARYL SULFONATE AND MONOBUTYLBIPHENYL SODIUM MONOSULFONATE AND OF FROM ABOUT 1.5 TO 3.0 PERCENT BY WEIGHT OF TETRASODIUM PYROPHOSPHATE.
Inventors
- 👤 Gerard Prial
- 👤 Chester J Pigulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/682; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/26; C11D3/30; C11D3/32; C11D3/34; C11D3/3418; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/925; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/03; Y10S516/05
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |