US4001033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for soil stabilization
Assignee: Individual
•
Filing: 1974-09-26
•
Granted: 1977-01-04
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Expires: 1994-09-26
Abstract
Abstract A composition, useful for stabilizing soil, comprised of lignin sulfonate and a combination of dispersants, and a method of stabilizing soil utilizing the composition. The composition and method are particularly useful in preparing a road base.
Inventors
- 👤 Robert Anthone
- 👤 Michael P. Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/14; C09K17/18; C09K17/32; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
34 words
A composition for stabilizing soil particles comprising: a major part of lignin sulfonate; and a minor part of an additive consisting essentially of fatty acid ester of polyglycerol and polyoxyethylene ether of dialkyl phenol.
Claim 2
Dependent Claim
34 words
A composition for stabilizing soil particles comprising: a major part of lignin sulfonate; and a minor part of an additive consisting essentially of fatty acid ester of polyglycerol and polyoxyethylene ether of dialkyl phenol.
Claim 3
Dependent Claim
24 words
The composition of claim 1 wherein the additive is present in an amount of at least 0.5 gallons per 10,000 gallons of lignin sulfonate.
Claim 4
Dependent Claim
27 words
The composition of claim 1 wherein the fatty acid ester of polyglycerol and the polyoxyethylene ether of dialkyl phenol are present in approximately equal amounts by volume.
Claim 5
Dependent Claim
21 words
The composition of claim 3 wherein two parts by volume of additive are present for each 10,000 parts of lignin sulfonate.
Claim 6
Independent Claim
53 words
A method of preparing a base course for a road comprising mixing with soil particles to be used for said base course a stabilizing composition comprising: a major part of lignin sulfonate; and a minor part of an additive consisting essentially of fatty acid ester of polyglycerol and polyoxyethylene ether of dialkyl phenol.
Claim 7
Independent Claim
53 words
A method of preparing a base course for a road comprising mixing with soil particles to be used for said base course a stabilizing composition comprising: a major part of lignin sulfonate; and a minor part of an additive consisting essentially of fatty acid ester of polyglycerol and polyoxyethylene ether of dialkyl phenol.
References Cited (Backward Citations)
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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) | 1980-01-04 | 1980-07-05 | 1981-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-04 | 1984-07-05 | 1985-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-04 | 1988-07-05 | 1989-01-04 | $7700.00 | Window Closed / Lapsed |