US2595170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized mineral oil
Assignee: Standard Oil Development Co
•
Filing: 1949-11-14
•
Granted: 1952-04-29
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Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rudel
- 👤 Abraham D Kirshenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C10M2205/00; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL OIL AND AN OXIDATION INHIBITING QUANTITY OF A PRODUCT OBTAINED BY REACTING A DOUBLEBONDED NON-AROMATIC, NON-ACETYLENIC HYDROCARBON CONTAINING AT LEAST 3 CARBON ATOMS WITH A SULFUR HALIDE SELECTED FROM THE CLASS CONSISTING OF SULFUR CHLORIDES AND SULFUR BROMIDES, WHEREBY AN INTERMEDIATE PRODUCT CONTAINING ADDED SULPHUR AND HALOGEN IS FORMED, AND HEATING TOGETHER AT A TEMPERATURE IN THE RANGE OF ABOUT 50* TO 150* C. SUCH INTERMEDIATE PRODUCT AND A DITHIOPHOSPHATE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
81 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL OIL AND AN OXIDATION INHIBITING QUANTITY OF A PRODUCT OBTAINED BY REACTING A DOUBLEBONDED NON-AROMATIC, NON-ACETYLENIC HYDROCARBON CONTAINING AT LEAST 3 CARBON ATOMS WITH A SULFUR HALIDE SELECTED FROM THE CLASS CONSISTING OF SULFUR CHLORIDES AND SULFUR BROMIDES, WHEREBY AN INTERMEDIATE PRODUCT CONTAINING ADDED SULPHUR AND HALOGEN IS FORMED, AND HEATING TOGETHER AT A TEMPERATURE IN THE RANGE OF ABOUT 50* TO 150* C. SUCH INTERMEDIATE PRODUCT AND A DITHIOPHOSPHATE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2413648A
Cited
US2494332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |