US2753306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-metallic derivatives of phosphorus sulfide-hydrocarbon reaction products and lubricants containing same
Assignee: Standard Oil Co
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Filing: 1952-12-30
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Granted: 1956-07-03
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Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:11
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/10; C10N2010/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
161 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT RESULTING FROM THE REACTION AT A TEMPERATURE IN THE RANGE OF FORM 25* TO ABOUT 200* F. OF (1) HYDROGEN PEROXIDE, (2) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES AND SULFIDES MOLYBDENUM AND VANADIUM AND THE SALTS OF MOLYBDIC AND VANADIC ACIDS WITH WEAK BASES HAVING A DISSOCIATION CONSTANT NO GREATER THAN ABOUT 1X10-3, WHICH COMPOUND IS CAPABLE OF AFFORDING AN OXIDE OF THE RESPECTIVE METAL UNDER REACTION CONDITIONS, AND (3) AN OIL-SOLUBLE MATERIAL OBTAINED BY REACTING AN UNNEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, PHENOLS, MERCAPTANS, AND THIOPHENOLS, SAID OIL-SOLUBLE MATERIAL BEING PREPARED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 150* F. TO ABOUT 500* F.; SAID THREE COMPONENTS OF THE REACTION BEING CONTACTED IN THE FOLLOWING APPROXIMATE PROPORTIONS BASED UPON ONE PART OF COMPONENT (2), 1 TO 40 PARTS OF COMPONENT (3), AND 0.05 TO 4 PATES OF COMPONENT (1).
Claim 2
Dependent Claim
161 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT RESULTING FROM THE REACTION AT A TEMPERATURE IN THE RANGE OF FORM 25* TO ABOUT 200* F. OF (1) HYDROGEN PEROXIDE, (2) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES AND SULFIDES MOLYBDENUM AND VANADIUM AND THE SALTS OF MOLYBDIC AND VANADIC ACIDS WITH WEAK BASES HAVING A DISSOCIATION CONSTANT NO GREATER THAN ABOUT 1X10-3, WHICH COMPOUND IS CAPABLE OF AFFORDING AN OXIDE OF THE RESPECTIVE METAL UNDER REACTION CONDITIONS, AND (3) AN OIL-SOLUBLE MATERIAL OBTAINED BY REACTING AN UNNEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, PHENOLS, MERCAPTANS, AND THIOPHENOLS, SAID OIL-SOLUBLE MATERIAL BEING PREPARED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 150* F. TO ABOUT 500* F.; SAID THREE COMPONENTS OF THE REACTION BEING CONTACTED IN THE FOLLOWING APPROXIMATE PROPORTIONS BASED UPON ONE PART OF COMPONENT (2), 1 TO 40 PARTS OF COMPONENT (3), AND 0.05 TO 4 PATES OF COMPONENT (1).
Claim 3
Dependent Claim
22 words
A LUBRICANT COMPRISING A MINERAL FUBRICATING ON AND FROM ABOUT 0.01% TO ABOUT 10% BY WEIGHT OF THE COMPOSITION OF CLAIM 1.
References Cited (Backward Citations)
US2637722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |