US2874175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making fatty acid diglyceride, diesters of dibasic acids
Assignee: Individual
•
Filing: 1955-10-04
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Granted: 1959-02-17
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Reuben O Feuge
- 👤 Truman L Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS COMPRISING DIESTERIFYING GLYCEROL WITH A LONG-CHAIN, ALIPHATIC, MONOBASIC, FATTY ACID CONTAINING FROM 12 TO 22 CARBON ATOMS TO PRODUCE A REACTION PRODUCT COMPRISING A MIXTURE OF THE CORRESPONDING MONOGLYCERIDE, DIGLYCERIDE, AND TRIGLYCERIDE, SAID MIXTURE PREDOMINATING IN THE DIGLYCERIDE, ISOLATING SAID DIGLYCERIDE FROM THE MIXTURE, AND THEN ESTERIFYING TWO MOLES OF THE DIGLYCERIDE WITH ONE MOLE OF AN ALIPHATIC, DICRBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF SATURATED AND MONOOLEFINIC STRAIGHT-CHAIN, ALIPHATIC DICRBOXYLIC ACIDS CONTAINING FROM 4 TO 10 CARBON ATOMS AT A TEMPERATURE OF ABOUT 50* C. TO PRODUCE THE CORRESPONDING DIGLYCERIDE DIESTER.
Claim 2
Dependent Claim
95 words
A PROCESS COMPRISING DIESTERIFYING GLYCEROL WITH A LONG-CHAIN, ALIPHATIC, MONOBASIC, FATTY ACID CONTAINING FROM 12 TO 22 CARBON ATOMS TO PRODUCE A REACTION PRODUCT COMPRISING A MIXTURE OF THE CORRESPONDING MONOGLYCERIDE, DIGLYCERIDE, AND TRIGLYCERIDE, SAID MIXTURE PREDOMINATING IN THE DIGLYCERIDE, ISOLATING SAID DIGLYCERIDE FROM THE MIXTURE, AND THEN ESTERIFYING TWO MOLES OF THE DIGLYCERIDE WITH ONE MOLE OF AN ALIPHATIC, DICRBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF SATURATED AND MONOOLEFINIC STRAIGHT-CHAIN, ALIPHATIC DICRBOXYLIC ACIDS CONTAINING FROM 4 TO 10 CARBON ATOMS AT A TEMPERATURE OF ABOUT 50* C. TO PRODUCE THE CORRESPONDING DIGLYCERIDE DIESTER.
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |