US3598735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkylene glycol mercaptosuccinimides dispersants for lubricant fluids
Assignee: Atlantic Richfield Co
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Filing: 1968-10-08
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Granted: 1971-08-10
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Expires: 1988-10-08
Abstract
Abstract A NEW CLASS OF COMPOUNDS AND A SERIES OF NOVEL LUBRICANT COMPOSITIONS ARE DISCLOSED. POLYALKYLENE GLYCOL MERCAPTOSUCCINIMIDES WHICH ARE USEFUL AS DISPERSANTS IN POLYALKYLENE GLYCOL LUBRICANT FLUIDS AS SLUDGE DISPERSANTS AND LUBRICANT FLUID COMPOSITIONS INCLUDING SUCH MERCAPTOSUCCINIMIDES ARE DESCRIBED.
Inventors
- 👤 Ting-I Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:43
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/20; C10M135/22; C10M135/26; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2221/00; C10M2221/02; C10N; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |