US3042620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-seep agent
Assignee: ConocoPhillips Co
•
Filing: 1959-03-09
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Granted: 1962-07-03
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Neal E Dry
- 👤 William P Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:16
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE METHOD OF IMPARTING ANTI-SEPAGE PROPERTIES TO AN AQUEOUS ETHYLENE GLYCOL COMPOSITION WHICH COMPRISES INCORPORATING IN SAID AQUEOUS COMPOSITION TRIBUTOXY ETHYLPHOSPHATE AS AN ANTI-SEEP AGENT IN AN AMOUNT ON A WEIGHT BASIS VARYING FROM ABOUT .01 TO 50 PART OF THE PHOSPHATE PER 100 PARTS OF THE ETHYLENE GLYCOL.
Claim 2
Independent Claim
49 words
THE METHOD OF IMPARTING ANTI-SEPAGE PROPERTIES TO AN AQUEOUS ETHYLENE GLYCOL COMPOSITION WHICH COMPRISES INCORPORATING IN SAID AQUEOUS COMPOSITION TRIBUTOXY ETHYLPHOSPHATE AS AN ANTI-SEEP AGENT IN AN AMOUNT ON A WEIGHT BASIS VARYING FROM ABOUT .01 TO 50 PART OF THE PHOSPHATE PER 100 PARTS OF THE ETHYLENE GLYCOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |