US3009810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumaric acid composition
Assignee: General Foods Corp
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Filing: 1959-01-07
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Granted: 1961-11-21
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Raffensperger
- 👤 Thomas T Takashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:07
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/52; A23L2/68; C; C07; C07C; C07C51/00; C07C51/42; C07C51/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD OF PREPARING A FUMARIC ACID-CONTAINING COMPOSITION HAVING AN INCREASED RATE OF SOLUBILITY WHICH COMPRISES MIXING A PARTIAL LONG CHAIN FATTY ACID ESTER OF A POLYOXYETHYLENE DERIVATIVE OF A HEXITOL ANHYDRIDE DERIVED FROM SORBITOL WITH FUMARIC ACID POWDER.
Claim 2
Independent Claim
39 words
A METHOD OF PREPARING A FUMARIC ACID-CONTAINING COMPOSITION HAVING AN INCREASED RATE OF SOLUBILITY WHICH COMPRISES MIXING A PARTIAL LONG CHAIN FATTY ACID ESTER OF A POLYOXYETHYLENE DERIVATIVE OF A HEXITOL ANHYDRIDE DERIVED FROM SORBITOL WITH FUMARIC ACID POWDER.
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |