US3011894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumaric acid composition
Assignee: General Foods Corp
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Filing: 1959-01-27
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Granted: 1961-12-05
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Expires: 1979-01-27
Abstract
No abstract record available.
Inventors
- 👤 Harry W Block
- 👤 Paul B Touher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:36
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/52; A23L2/68; C; C07; C07C; C07C51/00; C07C51/42; C07C51/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A METHOD OF INCREASING THE RATE OF SOLUBILITY OF FUMARIC ACID BY FORMING AGGREGATES OF FUNARIC ACID POWDER AND A CHLORIDE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE AND AMMONIUM CHLORIDE WHICH COMPRISES MIXING 0.05-1.0 PART BY WEIGHT OF SAID CHLORIDE SALT WITH ONE PART BY WEIGHT OF FUMARIC ACID, ADDING 5-10% WATER TO SAID MIXTURE, MIXING THE WATER INTO SAID MIXTURE UNDER CONDITIONS WHERE AT LEAST ONE CONSTITUTENT OF THE MIXTURE IS NOT COMPLETELY DISSOLVED, AND DRYING SAID MOISTENED MIXTURE.
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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |