US3155178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous foams and foaming agents
Assignee: ChampionX LLC
•
Filing: 1960-12-05
•
Granted: 1964-11-03
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Willard H Kirkpatrick
- 👤 Virgil L Seale
- 👤 Richard E Berkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:23
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/14; Y; Y10; Y10S; Y10S507/00; Y10S507/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR RAISING WATER FROM A SUBTERRANEAN ZONE TO THE SURFACE WHICH COMPRISES MIXING WITH SAID WATER TO FORM PRODUCING QUANTITY OF A POLYOXYETHYLATED MONOHYDRIC, ALIPHATIC ALCOHOL HAVING 12-24 CARBONS AND AN AVERAGE OF MORE THAN 20 OXYETHYLENE GROUPS PER MOL, AND FLOWING A GAS THROUGH SAID SUBTERRANEAN ZONE AND THEN TO THE SURFACE TO CAUSE SAID WATER TO FORM AN AQUEOUS FORM AND RAISE SAID FORM TO THE SURFACE WITH SAID GAS.
Claim 2
Dependent Claim
74 words
A PROCESS FOR RAISING WATER FROM A SUBTERRANEAN ZONE TO THE SURFACE WHICH COMPRISES MIXING WITH SAID WATER TO FORM PRODUCING QUANTITY OF A POLYOXYETHYLATED MONOHYDRIC, ALIPHATIC ALCOHOL HAVING 12-24 CARBONS AND AN AVERAGE OF MORE THAN 20 OXYETHYLENE GROUPS PER MOL, AND FLOWING A GAS THROUGH SAID SUBTERRANEAN ZONE AND THEN TO THE SURFACE TO CAUSE SAID WATER TO FORM AN AQUEOUS FORM AND RAISE SAID FORM TO THE SURFACE WITH SAID GAS.
References Cited (Backward Citations)
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Cited
US2748867A
Cited
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Cited
US3111178A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |