US2522476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing and process for preparing stabilized unsaturated fatty oils
Assignee: Standard Oil Development Co
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Filing: 1947-07-19
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Granted: 1950-09-12
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Expires: 1967-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jones I Wasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:37
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C323/00; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
THE METHOD OF STABILIZING AGAINST OXIDATION AND IMPROVING THE RUST INHIBITING EFFECT OF A PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND A LONG CHAIN UNSATURATED FATTY ACID WHICH CONSISTS OF HEATING SAID ESTER WITH AN ELKYL MERCAPTAIN HAVING 6 TO 20 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF A FRIEDEL-CRAFTS METAL HALIDE CATALYST TO A TEMPERATURE OF 50* TO 300*F. TO AT LEAST PARTIALLY SATURATE SAID FATTY OIL COMPONENT.
Claim 2
Independent Claim
70 words
THE METHOD OF STABILIZING AGAINST OXIDATION AND IMPROVING THE RUST INHIBITING EFFECT OF A PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND A LONG CHAIN UNSATURATED FATTY ACID WHICH CONSISTS OF HEATING SAID ESTER WITH AN ELKYL MERCAPTAIN HAVING 6 TO 20 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF A FRIEDEL-CRAFTS METAL HALIDE CATALYST TO A TEMPERATURE OF 50* TO 300*F. TO AT LEAST PARTIALLY SATURATE SAID FATTY OIL COMPONENT.
Claim 3
Dependent Claim
57 words
A COMPOSITION CONSISTING ESSENTIALLY OF MINERAL BASE LUBRICATING OIL CONTAINING ABOUT 0.1 TO 10% OF THE REACTION PRODUCT OF A C18 UNSATURATED FATTY ACID PARTIAL ESTER OF A POLYHYDRIC ALCOHOL REACTED WITH AN ALKYL MERCAPTAN OF 10 TO 20 CARBON ATOMS IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST AND AT A TEMPERATURE BETWEEN ABOUT 100* AND 325*F.
Claim 4
Dependent Claim
57 words
A COMPOSITION CONSISTING ESSENTIALLY OF MINERAL BASE LUBRICATING OIL CONTAINING ABOUT 0.1 TO 10% OF THE REACTION PRODUCT OF A C18 UNSATURATED FATTY ACID PARTIAL ESTER OF A POLYHYDRIC ALCOHOL REACTED WITH AN ALKYL MERCAPTAN OF 10 TO 20 CARBON ATOMS IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST AND AT A TEMPERATURE BETWEEN ABOUT 100* AND 325*F.
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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |