US2689173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating soil
Assignee: Atlantic Richfield Co
•
Filing: 1952-01-24
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Granted: 1954-09-14
•
Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:14
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR TREATING SOIL TO ENHANCE THE WATER PENETRATION AND RETENTION CHARACTERISTICS THEREOF AND TO STIMULATE THE GROWTH OF VEGETATION, WHICH COMPRISES APPLYING TO SAID SOIL AN ALKYL BENZENE SULFONATE HAVING FROM 9 TO 15 CARBON ATOMS IN THE ALKYL GROUP.
Claim 2
Dependent Claim
42 words
A PROCESS FOR TREATING SOIL TO ENHANCE THE WATER PENETRATION AND RETENTION CHARACTERISTICS THEREOF AND TO STIMULATE THE GROWTH OF VEGETATION, WHICH COMPRISES APPLYING TO SAID SOIL AN ALKYL BENZENE SULFONATE HAVING FROM 9 TO 15 CARBON ATOMS IN THE ALKYL GROUP.
References Cited (Backward Citations)
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Cited
US2350709A
Cited
US2614917A
Cited
US2624662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |