US3308068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition
Assignee: Pan American Petroleum Corp
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Filing: 1963-04-25
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Granted: 1967-03-07
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Loyd W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D3/00; C11D3/16; C11D3/18; C11D3/20; C11D3/2068; C11D3/43; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936; Y10S507/937; Y10S507/938; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SUBSTANTIALLY CLEAR AQUEOUS SOLUTION TO WHICH AN INFINITE AMOUNT OF WATER CAN BE ADDED WITHOUT A PHASE CHANGE CONSISTING ESSENTIALLY OF DIETHYLENE-GLYCOL MONOHEXYL ETHER AND A PETROLEUM ALKALI METAL SULFONATE, SAID MONO-HEXYL ETHER AND SULFONATE BEING PRESENT IN A WEIGHT RATIO RANGING FROM ABOUT 9:1 TO ABOUT 3:7, AND A MINERAL OIL, THE PERCENTAGE OF SAID MONO-HEXYL ETHER, SAID SULFONATE, WATER, AND SAID OIL BEING DEFINED BY A POINT LYING TO THE LEFT OF CURVE IN FIGURES 1, 2 AND 3.
Claim 2
Dependent Claim
82 words
A SUBSTANTIALLY CLEAR AQUEOUS SOLUTION TO WHICH AN INFINITE AMOUNT OF WATER CAN BE ADDED WITHOUT A PHASE CHANGE CONSISTING ESSENTIALLY OF DIETHYLENE-GLYCOL MONOHEXYL ETHER AND A PETROLEUM ALKALI METAL SULFONATE, SAID MONO-HEXYL ETHER AND SULFONATE BEING PRESENT IN A WEIGHT RATIO RANGING FROM ABOUT 9:1 TO ABOUT 3:7, AND A MINERAL OIL, THE PERCENTAGE OF SAID MONO-HEXYL ETHER, SAID SULFONATE, WATER, AND SAID OIL BEING DEFINED BY A POINT LYING TO THE LEFT OF CURVE IN FIGURES 1, 2 AND 3.
References Cited (Backward Citations)
US2355591A
Cited
US2637703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |