US3708319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing soils and accumulations of fine particulate material
Assignee: Dow Chemical Co
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Filing: 1970-04-03
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Granted: 1973-01-02
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Expires: 1990-04-03
Abstract
Abstract SURFACES OF FINELY DIVIDED MATERIAL, E.G. SOILS, MINE TAILINGS, COAL DUST, LIME, OR THE LIKE, ARE STABILIZED AGAINST MOVEMENT CAUSED BY WIND AND/OR WATER BY APPLYING TO THE SURFACE A DRYING OIL WHICH MAY OPTIONALLY CONTAIN AN ACCELERATOR TO THE DRYING PROCESS AND/OR WATER-SWELLABLE POLYMER.
Inventors
- 👤 K Nimerick
- 👤 L Eilers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:42
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/22; C09K17/00; C09K17/14; C09K17/18; C09K17/32; E; E21; E21F; E21F5/00; E21F5/18; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |