US3012047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of esterification product
Assignee: Zeneca Inc
•
Filing: 1958-12-24
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Granted: 1961-12-05
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 George E Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:45
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE PROCESS OF PREPARING AN EDIBLE EMULSIFYING AGENT WHICH COMPRISES THE STEPS OF FORMING AN ESTERIFICATION PRODUCT OF GLYCEROL, A FATTY ACID CONTAINING FROM 16 TO 18 CARBON ATOMS, AND LACTIC ACID, SAID ESTERIFICATION PRODUCT CONTAINING FROM ABOUT 0.5 TO ABOUT 1.5 MOLAR PROPORTIONS OF LACTATE RADICAL AND FROM ABOUT 0.75 TO ABOUT 1.5 MOLAR PROPORTIONS OF FATTY ACID RADICAL PER MOL OF GLYCEROL, AND SUBJECTING THE ESTERIFICATION PRODUCT SO-FORMED TO VACUUMSTEAM STRIPPING UNTIL THE MOLAR PROPORTION OF FATTY ACID RADICAL PER MOL OF GLYCEROL IS INCREASED BY AT LEAST 0.05 AND LIES BETWEEN ABOUT 1.25 AND ABOUT 1.6, WHEREIN A PORTION OF THE GLYCEROL, FATTY ACID AND LACTIC ACID EMPLOYED IN FORMING THE SAID ESTERIFICATION PRODUCT IS IN THE FORM OF CONDENSED VACUUM-STEAM STRIPPINGS OBTAINED FROM A PRECEDING SIMILAR PROCESS.
Claim 2
Dependent Claim
131 words
THE PROCESS OF PREPARING AN EDIBLE EMULSIFYING AGENT WHICH COMPRISES THE STEPS OF FORMING AN ESTERIFICATION PRODUCT OF GLYCEROL, A FATTY ACID CONTAINING FROM 16 TO 18 CARBON ATOMS, AND LACTIC ACID, SAID ESTERIFICATION PRODUCT CONTAINING FROM ABOUT 0.5 TO ABOUT 1.5 MOLAR PROPORTIONS OF LACTATE RADICAL AND FROM ABOUT 0.75 TO ABOUT 1.5 MOLAR PROPORTIONS OF FATTY ACID RADICAL PER MOL OF GLYCEROL, AND SUBJECTING THE ESTERIFICATION PRODUCT SO-FORMED TO VACUUMSTEAM STRIPPING UNTIL THE MOLAR PROPORTION OF FATTY ACID RADICAL PER MOL OF GLYCEROL IS INCREASED BY AT LEAST 0.05 AND LIES BETWEEN ABOUT 1.25 AND ABOUT 1.6, WHEREIN A PORTION OF THE GLYCEROL, FATTY ACID AND LACTIC ACID EMPLOYED IN FORMING THE SAID ESTERIFICATION PRODUCT IS IN THE FORM OF CONDENSED VACUUM-STEAM STRIPPINGS OBTAINED FROM A PRECEDING SIMILAR PROCESS.
References Cited (Backward Citations)
US2480332A
Cited
US2634278A
Cited
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 |