US2911437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of glycerol triesters
Assignee: Sinclair Refining Co
•
Filing: 1957-04-02
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Granted: 1959-11-03
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Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 Willis C Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/12; C07C69/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD FOR THE MANUFACTURE OF A TRI-ESTER OF GLYCEROL WHICH COMPRISES PASSING MOLECULAR OXYGEN INTO A LIQUID PHASE MIXTURE OF ALLYL ACETATE AND A MONOCARBOXYLIC ACID OF THE CLASS RCOOH WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS CONTAINING FROM 1 TO 3 CARBON ATOMS, THE SAID MIXTURE ALSO CONTAINING A CATALYTIC AMOUNT OF A BROMIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THOSE METALS HAVING ATOMIC NUMBER OF FROM 23 THROUGH 28, 42, 74, 50 AND 58 THROUGH 71 AND THE SAID MIXTURE BEING MAINTAINED AT A TEMPERATURE OF FROM 25* C. TO 200* C.
Claim 2
Independent Claim
104 words
A METHOD FOR THE MANUFACTURE OF A TRI-ESTER OF GLYCEROL WHICH COMPRISES PASSING MOLECULAR OXYGEN INTO A LIQUID PHASE MIXTURE OF ALLYL ACETATE AND A MONOCARBOXYLIC ACID OF THE CLASS RCOOH WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS CONTAINING FROM 1 TO 3 CARBON ATOMS, THE SAID MIXTURE ALSO CONTAINING A CATALYTIC AMOUNT OF A BROMIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THOSE METALS HAVING ATOMIC NUMBER OF FROM 23 THROUGH 28, 42, 74, 50 AND 58 THROUGH 71 AND THE SAID MIXTURE BEING MAINTAINED AT A TEMPERATURE OF FROM 25* C. TO 200* C.
References Cited (Backward Citations)
US2316604A
Cited
US2444924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |