US3151986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-flowing fumaric and adipic acid compositions
Assignee: Monsanto Co
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Filing: 1962-05-02
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Granted: 1964-10-06
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 John H Van Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:48
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/14; A; A23; A23L; A23L2/00; A23L2/52; A23L2/68; C07; C07C; C07C51/00; C07C51/42; C07C51/50; C09; C09K; C09K3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD FOR THE PREPARATION OF A FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER WHICH COMPRISES SPRAYING A POWDERED CRYSTALLINE ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ADIPIC ACID WITH BETWEEN ABOUT 0.1% AND ABOUT 1% OF A DIALKYL SODIUM SULFOSUCCINATE HAVING BETWEEN ABOUT 7 AND ABOUT 11 CARBON ATOMS IN EACH OF THE ALKYL CHAINS, AND SUBSEQUENTLY MILLING THE MIXTURE, THE ACID AFTER MILLING HAVING A MAXIMUM PARTICLE SIZE OF ABOUT 75 MICRONS.
Claim 2
Dependent Claim
61 words
A FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER WHICH COMPRISES A POWDERED ACID HAVING A MAXIMUM PARTICLE SIZE OF ABOUT 75 MICRONS AND SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ADIPIC ACID COATED WITH BETWEEN ABOUT 0.1 AND ABOUT 1% OF A DIALKYL SODIUM SULFOSUCCINATE HAVING BETWEEN 7 AND 11 CARBON ATOMS IN EACH OF THE ALKYL CHAINS.
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |