US2652414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of saturated fatty acids of improved color and color stability
Assignee: General Mills Inc
•
Filing: 1950-11-13
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Granted: 1953-09-15
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 David E Terry
- 👤 Donald T Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:52
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/08; C11C1/10; C11C1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
PROCESS OF TREATING HIGHER SATURATED FATTY ACIDS WHICH COMPRISES MIXING FROM 1% TO 3% BY WEIGHT OF CONCENTRATED SULFURIC ACID WHICH THE FATTY ACID, HEATING THE MIXTURE TO A TEMPERATURE WITHIN THE APPROXIMATE RANGE OF 150-175* C. FOR A PERIOD OF FROM APPROXIMATELY 2 TO 6 HOURS, THEREAFTER WASHING THE MIXTURE WITH WATER TO REMOVE SULFURIC ACID, AND DISTILLING THE RESIDUE TO RECOVER THE FATTY ACID.
Claim 2
Dependent Claim
66 words
PROCESS OF TREATING HIGHER SATURATED FATTY ACIDS WHICH COMPRISES MIXING FROM 1% TO 3% BY WEIGHT OF CONCENTRATED SULFURIC ACID WHICH THE FATTY ACID, HEATING THE MIXTURE TO A TEMPERATURE WITHIN THE APPROXIMATE RANGE OF 150-175* C. FOR A PERIOD OF FROM APPROXIMATELY 2 TO 6 HOURS, THEREAFTER WASHING THE MIXTURE WITH WATER TO REMOVE SULFURIC ACID, AND DISTILLING THE RESIDUE TO RECOVER THE FATTY ACID.
References Cited (Backward Citations)
US1106509A
Cited
US2434699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |