Patent US2034185A successfully refreshed from Google Patents.
Patent US3016713A successfully refreshed from Google Patents.
US3016713A
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Method of treating soil with aqueous slurry of lattice clay and anionic polyelectrolyte
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-05-15
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Granted: 1962-01-16
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 John M Deming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:40
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/40; E; E02; E02D; E02D19/00; E02D19/06; E02D19/12; E02D19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PREVENTING SEEPAGE OF WATER FROM EXCAVATIONS IN POROUS SOILS, WHICH COMPRISES TREATING THE SOIL SURFACES OF THE SAID EXCAVATIONS WITH AN AQUEOUS SLURRY CONTAINING 0.1 TO 2.0 PERCENT BY WEIGHT OF AN EXPANDING LATTICE CLAY AND FROM 0.00005 TO 0.001 PERCENT OF A WATER-SOLUBLE ANIONIC POLYELECTROLYTE HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF AT LEAST 10,000 AND A STRUCTURE DERIVED BY THE POLYMERIZATION OF AT LEAST ONE MONOOLEFINIC COMPOUND THROUGH ITS ALIPHATIC UNSATURATED GROUP.
Claim 2
Independent Claim
77 words
A METHOD OF PREVENTING SEEPAGE OF WATER FROM EXCAVATIONS IN POROUS SOILS, WHICH COMPRISES TREATING THE SOIL SURFACES OF THE SAID EXCAVATIONS WITH AN AQUEOUS SLURRY CONTAINING 0.1 TO 2.0 PERCENT BY WEIGHT OF AN EXPANDING LATTICE CLAY AND FROM 0.00005 TO 0.001 PERCENT OF A WATER-SOLUBLE ANIONIC POLYELECTROLYTE HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF AT LEAST 10,000 AND A STRUCTURE DERIVED BY THE POLYMERIZATION OF AT LEAST ONE MONOOLEFINIC COMPOUND THROUGH ITS ALIPHATIC UNSATURATED GROUP.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |