US2843549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-seep agent
Assignee: ConocoPhillips Co
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Filing: 1954-08-12
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Granted: 1958-07-15
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Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 William H Harwood
- 👤 Warren W Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:55
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF IMPARTING ANTI-SEEPAGE PROPERTIES TO AN AQUEOUS ETHYLENE GLUCOL COMPOSITIOIN WHICH COMPRISES INCORPORATING IN SAID AQUEOUS COMPOSITION AN ANTI-SEEP AGENT, COMPRISING ON A WEIGHT BASIS 95 TO 99.8 PERCENT OF A WATER INSOLUBLE PETROLEUM HYDROCARBON BOILING WITHIN THE RANGE OF 300 TO 630*F.; AN NON-IONIC EMULSIFYING AGENT WHEREIN SAID NON-IONIC EMULSIFYING AGENT IS AN ESTER OF A POLYHYDROXY ALCOHOL WITH A HIGHER FATTY ACID, .1 TO 2.0 PERCENT; AND A LIQUID ORGANIC SILICON COMPOUND, .1 TO 3.0 PERCENT OF THE GENERAL FORMULA:
Claim 2
Independent Claim
84 words
THE METHOD OF IMPARTING ANTI-SEEPAGE PROPERTIES TO AN AQUEOUS ETHYLENE GLUCOL COMPOSITIOIN WHICH COMPRISES INCORPORATING IN SAID AQUEOUS COMPOSITION AN ANTI-SEEP AGENT, COMPRISING ON A WEIGHT BASIS 95 TO 99.8 PERCENT OF A WATER INSOLUBLE PETROLEUM HYDROCARBON BOILING WITHIN THE RANGE OF 300 TO 630*F.; AN NON-IONIC EMULSIFYING AGENT WHEREIN SAID NON-IONIC EMULSIFYING AGENT IS AN ESTER OF A POLYHYDROXY ALCOHOL WITH A HIGHER FATTY ACID, .1 TO 2.0 PERCENT; AND A LIQUID ORGANIC SILICON COMPOUND, .1 TO 3.0 PERCENT OF THE GENERAL FORMULA:
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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |