US3016299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumaric acid composition
Assignee: General Foods Corp
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Filing: 1959-02-09
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Granted: 1962-01-09
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Raffensperger
- 👤 Thomas T Takashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A METHOD OF PREPARING A FUMARIC ACID CONTAINING COMPOSITION HAVING AN INCREASED RATE OF SOLUBILITY WHICH COMPRISES ADMIXING WATER, FUMARIC ACID POWDER AND A CRYSTALLINE SUGAR IN SUCH PROPORTIONS THAT THE CRYSTALLINE CHARACTER OF THE SUGAR IS NOT COMPLETELY DESTROYED AND THE SUGAR IS IN SOLUTION TO AN EXTENT SUFFICIENT TO COAT FUMARIC ACID POWDER AND SUGAR CRYSTALS, COMBINING SAID MOISTENED SUGAR WITH FUMARIC ACID POWDER IN PROPORTIONS WHEREAT SAID SUGAR AND POWDER ARE AGGREGATED BY SAID SUGAR SOLUTION, SAID FUMARIC ACID POWDER BEING OF A SIZE WHEREAT ID DOES NOT FLOAT AT THE TOP OF AND DOES NOT SINK TO THE BOTTOM OF A BODY OF AQUEOUS FLUID, DRYING THE AGGREGATED OF SAID WETTED SUGAR AND AISD FUMARIC ACID POWDER AT A TEMPERATURE BELOW THE MELTING POINT OF THE SUGAR AND FOR A SUFFICIENT LENGHT OF TIME TO PRESERVE THE CRYSTALLINITY THEREOF WHILE PRODUCING A FRIABLE, SUBSTANTIALLY ANHYDROUS PRODUCT, AND BREAKING UP SAID DRIED PRODUCT INTO GRANULES.
Claim 2
Independent Claim
158 words
A METHOD OF PREPARING A FUMARIC ACID CONTAINING COMPOSITION HAVING AN INCREASED RATE OF SOLUBILITY WHICH COMPRISES ADMIXING WATER, FUMARIC ACID POWDER AND A CRYSTALLINE SUGAR IN SUCH PROPORTIONS THAT THE CRYSTALLINE CHARACTER OF THE SUGAR IS NOT COMPLETELY DESTROYED AND THE SUGAR IS IN SOLUTION TO AN EXTENT SUFFICIENT TO COAT FUMARIC ACID POWDER AND SUGAR CRYSTALS, COMBINING SAID MOISTENED SUGAR WITH FUMARIC ACID POWDER IN PROPORTIONS WHEREAT SAID SUGAR AND POWDER ARE AGGREGATED BY SAID SUGAR SOLUTION, SAID FUMARIC ACID POWDER BEING OF A SIZE WHEREAT ID DOES NOT FLOAT AT THE TOP OF AND DOES NOT SINK TO THE BOTTOM OF A BODY OF AQUEOUS FLUID, DRYING THE AGGREGATED OF SAID WETTED SUGAR AND AISD FUMARIC ACID POWDER AT A TEMPERATURE BELOW THE MELTING POINT OF THE SUGAR AND FOR A SUFFICIENT LENGHT OF TIME TO PRESERVE THE CRYSTALLINITY THEREOF WHILE PRODUCING A FRIABLE, SUBSTANTIALLY ANHYDROUS PRODUCT, AND BREAKING UP SAID DRIED PRODUCT INTO GRANULES.
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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |