US2625471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizing compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1952-02-20
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Granted: 1953-01-13
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Expires: 1972-02-20
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
- 👤 Ross M Hedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:48
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/01; C; C05; C05G; C05G3/00; C05G3/70; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S260/00; Y10S260/14; Y10S47/00; Y10S47/10; Y10S71/00; Y10S71/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A SOIL CONDITIONING FERTILIZER WHICH COMPRISES A MIXTURE OF A FINELY DIVIDED FLOWABLE SOLID PLANT NUTRIENT AND A FINELY DIVIDED SOLID SYNTHETIC POLYMERIC WATER-SOLUBLE POLYELETROLYTE HAVING A MOLECULAR WEIGHT SUCH AS TO IMPROVE THE WATER-STABILITY OF AGGREGATES IN SAID SOIL, SAID POLYELECTROLYTE BEING DERIVED SUBSTANTIALLY ENTIRELY BY OLEFINIC POLYMERIZATION.
Claim 2
Dependent Claim
49 words
A SOIL CONDITIONING FERTILIZER WHICH COMPRISES A MIXTURE OF A FINELY DIVIDED FLOWABLE SOLID PLANT NUTRIENT AND A FINELY DIVIDED SOLID SYNTHETIC POLYMERIC WATER-SOLUBLE POLYELETROLYTE HAVING A MOLECULAR WEIGHT SUCH AS TO IMPROVE THE WATER-STABILITY OF AGGREGATES IN SAID SOIL, SAID POLYELECTROLYTE BEING DERIVED SUBSTANTIALLY ENTIRELY BY OLEFINIC POLYMERIZATION.
References Cited (Backward Citations)
US2582194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |