US2769834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adducts of monoalkenylsuccinates with fumarates
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-03-12
•
Granted: 1956-11-06
•
Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Dazzi Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:26
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ADDITION PRODUCT IN WHICH THERE IS COMBINED 1 MOLE OF A DIALKYL MONOALKENYLSUCCINATE IN WHICH THE ALKYL RADICAL HAS FROM 1 TO 6 CARBON ATOMS AND THE ALKENYL RADICAL HAS FROM 5 TO 18 CARBON ATOMS WITH 1 MOLE OF A DIALKYL FUMARATE OF FROM 6 TO 16 CARBON ATOMS.
Claim 2
Dependent Claim
51 words
AN ADDITION PRODUCT IN WHICH THERE IS COMBINED 1 MOLE OF A DIALKYL MONOALKENYLSUCCINATE IN WHICH THE ALKYL RADICAL HAS FROM 1 TO 6 CARBON ATOMS AND THE ALKENYL RADICAL HAS FROM 5 TO 18 CARBON ATOMS WITH 1 MOLE OF A DIALKYL FUMARATE OF FROM 6 TO 16 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |