US2575179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water treating compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-12-15
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Granted: 1951-11-13
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Expires: 1967-12-15
Abstract
No abstract record available.
Inventors
- 👤 John W Lefforge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:13
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SUBSTANTIALLY NON-MATTING WATER TREATING COMPOSITION CONSISTING ESSENTIALLY OF A SUBSTANTIALLY HOMOGENEOUS MIXTURE OF THE FOLLOWING MATERIALS IN THE INDICATED PROPORTIONS: A WATER SOLUBLE MOLECULARLY DEHYDRATED SODIUM PHOSPHATE HAVING A SODIUM OXIDE/P2O5 MOLECULAR RATIO OF ABOUT 1.0 TO ABOUT 1.3, 80%-96% BY WEIGHT; A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SODIUM CARBONATE, SODIUM BICARBONATE AND SODIUM PERCARBONATE, 20%-2% BY WEIGHT; AN UNSATURATED ALIPHATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF "PROPYLENE POLYMER" AND OCTENE, 0.02%-2% BY WEIGHT.
Claim 2
Dependent Claim
78 words
A SUBSTANTIALLY NON-MATTING WATER TREATING COMPOSITION CONSISTING ESSENTIALLY OF A SUBSTANTIALLY HOMOGENEOUS MIXTURE OF THE FOLLOWING MATERIALS IN THE INDICATED PROPORTIONS: A WATER SOLUBLE MOLECULARLY DEHYDRATED SODIUM PHOSPHATE HAVING A SODIUM OXIDE/P2O5 MOLECULAR RATIO OF ABOUT 1.0 TO ABOUT 1.3, 80%-96% BY WEIGHT; A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SODIUM CARBONATE, SODIUM BICARBONATE AND SODIUM PERCARBONATE, 20%-2% BY WEIGHT; AN UNSATURATED ALIPHATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF "PROPYLENE POLYMER" AND OCTENE, 0.02%-2% BY WEIGHT.
References Cited (Backward Citations)
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Cited
US1979925A
Cited
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Cited
US2244158A
Cited
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Cited
US2414969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |