US2734869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil additive
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:39
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/086; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A PETROLEUM HYDROCARBON PRODUCT AND A MINOR OXIDATION INHIBITING QUANTITY OF PRODUCT OBTAINED BY REACTING A MONO-CARBONYL KETONE CONTAINING AT LEAST ONE OLEFINIC DOUBLE BOND, AND HAVING IN THE RANGE OF 4 TO 30 CARBON ATOMS, WITH A SULFUR HALIDE SELECTED FROM THE CLASS CONSISTING OF SULFUR CHLORIDES AND SULFUR BROMIDES, WHEREBY AN INTERMEDIATE PRODUCT CONTAINING ADDED SULFUR AND HALOGEN IS FORMED, FURTHER REACTING SUCH INTERMEDIATE PRODUCT WITH A SULFUR BEARING COMPOUND OF THE FORMULA GY WHEREIN G IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF-SR,
Claim 2
Dependent Claim
94 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A PETROLEUM HYDROCARBON PRODUCT AND A MINOR OXIDATION INHIBITING QUANTITY OF PRODUCT OBTAINED BY REACTING A MONO-CARBONYL KETONE CONTAINING AT LEAST ONE OLEFINIC DOUBLE BOND, AND HAVING IN THE RANGE OF 4 TO 30 CARBON ATOMS, WITH A SULFUR HALIDE SELECTED FROM THE CLASS CONSISTING OF SULFUR CHLORIDES AND SULFUR BROMIDES, WHEREBY AN INTERMEDIATE PRODUCT CONTAINING ADDED SULFUR AND HALOGEN IS FORMED, FURTHER REACTING SUCH INTERMEDIATE PRODUCT WITH A SULFUR BEARING COMPOUND OF THE FORMULA GY WHEREIN G IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF-SR,
References Cited (Backward Citations)
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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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |