US2659705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventing agent
Assignee: Standard Oil Development Co
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Filing: 1950-07-01
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Granted: 1953-11-17
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Expires: 1970-07-01
Abstract
No abstract record available.
Inventors
- 👤 Louis A Mikeska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:36
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; 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; C10M2223/042; C10M2223/045; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A COMPOSITION CONSISTING ESSENTIALLY OF 3 PETROLEUM HYDROCARBON PRODUCT TO WHICH HAS BEEN ADDED AT LEAST AN OXIDATION INHIBITING AMOUNT OF A SOLUBLE METAL SALT OF AN ACIDIC PRODUCT OBTAINED BY REACTING A MIXTURE OF A SULFURIZED UNSATURATED MONOHYDRIC ALIPHATIC ALCOHOL HAVING 2 TO 20 CARBON ATOMS PER MOLECULE AND A SATURATED MONOHYDRIC ALIPHATIC ALCOHOL HAVING 1 TO 20 CARBN ATOMS PER MOLECULE, THE TOTAL NUMBER OF CARBON ATOMS IN THE SAID MIXTURE OF ALCOHOLS BEING NOT LESS THAN 16, AND THE MOLAR RATIO OF THE SULFURIZED ALCOHOL TO THE UNSULFURIZED ALCOHOL BEING FROM 2:1 TO 1:2, WITH A DULFIDE OF PHOSPHORUS OF THE CLASS CONSISTING OF PHOSPHORUS PENTASULFIDE AND PHOSPHORUS HEPTASULFIDE, IN SUCH A MOLAR RATIO THAT TWO MOLECULES OF ALCOHOL ARE PRESENT FOR EACH ATOM OF PHOSPHORUS, THE REACTION BETWEEN THE ALCOHOLS AND THE SULFIDE OF PHOSPHORUS BEING CONDUCTED AT A TEMPERATURE OF 50-150* C., AND THE METAL OF TH METAL SALT BEING CHOSEN FROM METALS OF GROUPS I TO III OF THE PERIODIC TABLE.
Claim 2
Dependent Claim
167 words
A COMPOSITION CONSISTING ESSENTIALLY OF 3 PETROLEUM HYDROCARBON PRODUCT TO WHICH HAS BEEN ADDED AT LEAST AN OXIDATION INHIBITING AMOUNT OF A SOLUBLE METAL SALT OF AN ACIDIC PRODUCT OBTAINED BY REACTING A MIXTURE OF A SULFURIZED UNSATURATED MONOHYDRIC ALIPHATIC ALCOHOL HAVING 2 TO 20 CARBON ATOMS PER MOLECULE AND A SATURATED MONOHYDRIC ALIPHATIC ALCOHOL HAVING 1 TO 20 CARBN ATOMS PER MOLECULE, THE TOTAL NUMBER OF CARBON ATOMS IN THE SAID MIXTURE OF ALCOHOLS BEING NOT LESS THAN 16, AND THE MOLAR RATIO OF THE SULFURIZED ALCOHOL TO THE UNSULFURIZED ALCOHOL BEING FROM 2:1 TO 1:2, WITH A DULFIDE OF PHOSPHORUS OF THE CLASS CONSISTING OF PHOSPHORUS PENTASULFIDE AND PHOSPHORUS HEPTASULFIDE, IN SUCH A MOLAR RATIO THAT TWO MOLECULES OF ALCOHOL ARE PRESENT FOR EACH ATOM OF PHOSPHORUS, THE REACTION BETWEEN THE ALCOHOLS AND THE SULFIDE OF PHOSPHORUS BEING CONDUCTED AT A TEMPERATURE OF 50-150* C., AND THE METAL OF TH METAL SALT BEING CHOSEN FROM METALS OF GROUPS I TO III OF THE PERIODIC TABLE.
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |