Acrylamide type soil stabilizer containing either sodium or ammonium acrylate
Abstract
Abstract A NOVEL ACRYLAMIDE TYPE SOIL STABILIZER COMPRISING (1) AN ACRYLAMIDE, (2) A WATER-SOLUBLE CROSS LINKING AGENT, (3) A MEMBER SELECTED FROMTHE GROUP CONSISTING OF SODIUM ACRYLATE AND AMMONIUM ACRYLATE IN AN AMOUNT OF LESS THAN 10% BASED ON THE ACRYLAMIDE, AND (4) AT LEAST ONE MEMBER SELECTED FORM THE GROUP CONSISTING OF SODIUM METHACRYLATE, AMMONIUM METHACRYLATE, MAGNESIUM METHACRYLATE AND 2-HYDROXYETHYL METHACRYLATE. THIS SOIL STABILIZER PROVIDES A HOMOGENEOUS AQUEOUS SOLUTION WHICH IS STABLE EVEN AT A HIGH CONCENTRATION AND HAS EXCELLENT SOIL STABILIZING EFFEC. THE SOIL STABILIZER IS APPLIED IN THE FORM OF AQUEOUS SOLUTION HAVING A CONCENTRATION OF 2-20% TOGETHER WITH A REDOX CATALYST TO SOIL TO STABILIZE THE SAME.
Inventors
- 👤 Einosuke Higashimura
- 👤 Eiichi Nakamura
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |