US3077054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion control
Assignee: Scholtens Chemische Fabrieken NV
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Filing: 1960-06-20
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Granted: 1963-02-12
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Niemeijer Heiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:31
CPC Classifications
A; A01; A01G; A01G7/00; C; C09; C09K; C09K17/00; C09K17/14; C09K17/18; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S260/00; Y10S260/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF STABILIZING THE SOIL SURFACE AGAINST WIND AND WATER EROSION WHICH COMPRISES APPLYING TO SAID SURFACE AN AQUEOUS DISPERSION OF A WATER-INSOLUBLE POLYVINYL COMPOUND, SAID DISPERSION CONTAINING A WATERSOLUBLE HIGH POLYMERIC COLLOID, THEREBY FORMING A WATERINSOLUBLE RESILIENT CRUST ON SAID SURFACE IN WHICH THE SOIL PARTICLES ARE BONDED TOGETHER.
Claim 2
Independent Claim
51 words
A METHOD OF STABILIZING THE SOIL SURFACE AGAINST WIND AND WATER EROSION WHICH COMPRISES APPLYING TO SAID SURFACE AN AQUEOUS DISPERSION OF A WATER-INSOLUBLE POLYVINYL COMPOUND, SAID DISPERSION CONTAINING A WATERSOLUBLE HIGH POLYMERIC COLLOID, THEREBY FORMING A WATERINSOLUBLE RESILIENT CRUST ON SAID SURFACE IN WHICH THE SOIL PARTICLES ARE BONDED TOGETHER.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |