US2585843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for inhibiting rusting
Assignee: Standard Oil Development Co
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Filing: 1949-01-08
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Granted: 1952-02-12
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Expires: 1969-01-08
Abstract
No abstract record available.
Inventors
- 👤 Dilworth T Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:40
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR INHIBITING THE RUSTING OF THE INTERNAL SURFACES OF INTERNAL COMBUSTION ENGINES DURING PERIODS OF IDLENESS AFTER SAID SURFACES HAD BEEN EXPOSED TO COMBUSTION UTILIZING LEADED MOTOR FUELS CONTAINING AN ORGANIC HALIDE SCAVENGING AGENT WHICH COMPRISES BURNING IN SAID ENGINE PRIOR TO ITS PERIOD OF IDLENESS A MOTOR FUEL CONTAINING FROM ABOUT .01% TO 1.0% BY WEIGHT OF A PARTIAL ESTER FORMED FROM AN ALIPHATIC POLYHYDROXY ALCOHOL AND AT LEAST ONE MONOCARBOXYLIC ACID WHICH IS CHARACTERIZED BY CONTAINING FROM ABOUT 8 TO 24 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
89 words
A PROCESS FOR INHIBITING THE RUSTING OF THE INTERNAL SURFACES OF INTERNAL COMBUSTION ENGINES DURING PERIODS OF IDLENESS AFTER SAID SURFACES HAD BEEN EXPOSED TO COMBUSTION UTILIZING LEADED MOTOR FUELS CONTAINING AN ORGANIC HALIDE SCAVENGING AGENT WHICH COMPRISES BURNING IN SAID ENGINE PRIOR TO ITS PERIOD OF IDLENESS A MOTOR FUEL CONTAINING FROM ABOUT .01% TO 1.0% BY WEIGHT OF A PARTIAL ESTER FORMED FROM AN ALIPHATIC POLYHYDROXY ALCOHOL AND AT LEAST ONE MONOCARBOXYLIC ACID WHICH IS CHARACTERIZED BY CONTAINING FROM ABOUT 8 TO 24 CARBON ATOMS PER MOLECULE.
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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |