US3127444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-caking agent and composition
Assignee: Dow Chemical Co
•
Filing: 1961-10-30
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Granted: 1964-03-31
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 William F Tousignant
- 👤 Wesley J Tacey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:27
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/50; C07C53/00; C07C53/15; C07C53/16; C07C53/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COMPOSITION COMPRISING FROM 0.1 TO 10 PERCENT BY WEIGHT OF A METAL LIGNO-SULFONATE IN ADMIXTURE WITH A WATER SOLUBLE ORGANIC PRODUCT, THE METAL LIGNO-SULFONATE BEING SELECTED FROM THE GROUP CONSISTING OF THE ALKALIMETAL LIGNO-SULFONATES AND ALKALINE EARTH METAL LIGNOSULFONATES AND THE ORGANIC PRODUCT BEING AN ALKALI METAL SALT OF A CHLOROALKANOIC ACID CONTAINING FROM 2 TO 5 CARBON ATOMS, INCLUSIVE.
Claim 2
Dependent Claim
61 words
A COMPOSITION COMPRISING FROM 0.1 TO 10 PERCENT BY WEIGHT OF A METAL LIGNO-SULFONATE IN ADMIXTURE WITH A WATER SOLUBLE ORGANIC PRODUCT, THE METAL LIGNO-SULFONATE BEING SELECTED FROM THE GROUP CONSISTING OF THE ALKALIMETAL LIGNO-SULFONATES AND ALKALINE EARTH METAL LIGNOSULFONATES AND THE ORGANIC PRODUCT BEING AN ALKALI METAL SALT OF A CHLOROALKANOIC ACID CONTAINING FROM 2 TO 5 CARBON ATOMS, INCLUSIVE.
References Cited (Backward Citations)
US2721840A
Cited
US2685494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |