US3136748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfurized esters
Assignee: FMC Corp
•
Filing: 1960-06-22
•
Granted: 1964-06-09
•
Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Miller Richard
- 👤 Harold K Latourette
- 👤 Jr Ernest J Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:43
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/06; C07; C07G; C07G99/00; C07G99/002; C10M2219/00; C10M2219/02; C10M2219/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE COMPOSITION FORMED BY REACTING A DIESTER OF AN ALKYLENYLSUCCINIC ACID IN WHICH THE ALKENYL RADICAL CONTAINS AT LEAST 3 CARBON ATOMS WITH ELEMENTAL SULFUR AT A TEMPERATURE ABOVE 200*C. FOR A TIME SUFFICIENT TO PRODUCE A SUBSTANTIAL EVOLUTION OF HYDROGEN SULFIDE.
Claim 2
Dependent Claim
42 words
THE COMPOSITION FORMED BY REACTING A DIESTER OF AN ALKYLENYLSUCCINIC ACID IN WHICH THE ALKENYL RADICAL CONTAINS AT LEAST 3 CARBON ATOMS WITH ELEMENTAL SULFUR AT A TEMPERATURE ABOVE 200*C. FOR A TIME SUFFICIENT TO PRODUCE A SUBSTANTIAL EVOLUTION OF HYDROGEN SULFIDE.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |