US2885414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of partial glycerides
Assignee: Individual
•
Filing: 1957-10-16
•
Granted: 1959-05-05
•
Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Beal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:20
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; A; A23; A23J; A23J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR PREPARING PARTIAL GLYCERIDES WHICH COMPRISES SUBJECTING A REACTION MIXTURE CONTAINING A PHOSPHATIDE, WATER, AN ANION EXCHANGE MATERIAL, AND A CATION EXCHANGE MATERIAL TO A TEMPERATURE ABOUT FROM 100 TO 150* C. UNTIL THE PHOSPHATE ESTER GROUPS OF THE PHOSPHATIDE ARE HYDROLYZED TO A SUBSTANTIAL DEGREE, THE REACTION MIXTURE BEING FREE FROM ADDED EMULSIFYING AGENT, AND THEREAFTER RECOVERING A MIXTURE OF PARTIAL GLYCERIDES SUBSTANTIALLY FREE OF PHOSPHORUS.
Claim 2
Dependent Claim
69 words
A PROCESS FOR PREPARING PARTIAL GLYCERIDES WHICH COMPRISES SUBJECTING A REACTION MIXTURE CONTAINING A PHOSPHATIDE, WATER, AN ANION EXCHANGE MATERIAL, AND A CATION EXCHANGE MATERIAL TO A TEMPERATURE ABOUT FROM 100 TO 150* C. UNTIL THE PHOSPHATE ESTER GROUPS OF THE PHOSPHATIDE ARE HYDROLYZED TO A SUBSTANTIAL DEGREE, THE REACTION MIXTURE BEING FREE FROM ADDED EMULSIFYING AGENT, AND THEREAFTER RECOVERING A MIXTURE OF PARTIAL GLYCERIDES SUBSTANTIALLY FREE OF PHOSPHORUS.
References Cited (Backward Citations)
US2550558A
Cited
US2447715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |