US2632695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibitor for light petroleum products
Assignee: ExxonMobil Oil Corp
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Filing: 1951-09-20
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Granted: 1953-03-24
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Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Phillip S Landis
- 👤 Elwood B Backensto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:46
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1881; C10L1/1883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A NORMALLY LIQUID, NON-LUBRICATING MINERAL OIL FRACTION CONTAINING A MINOR PROPORTION, SUFFICIENT TO PREVENT RUSTING OF FERROUS METAL SURFACES IN CONTACT THEREWITH, OF AN ANTIRUST AGENT SELECTED FROM THE GROUP CONSISTING OF (1) DIMERIC ACIDS PRODUCED BY THE CONDENSATION OF UNSATURATED, ALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (2) DIMERIC ACIDS PRODUCED BY THE CONDENSATION OF HYDROXYALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (3) TRIMERIC ACIDS PRODUCED BY THE CONDENSATION OF UNSATURATED, ALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (4) TRIMERIC ACIDS PRODUCED BY THE CONDENSATION OF HYDROXYALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
122 words
A NORMALLY LIQUID, NON-LUBRICATING MINERAL OIL FRACTION CONTAINING A MINOR PROPORTION, SUFFICIENT TO PREVENT RUSTING OF FERROUS METAL SURFACES IN CONTACT THEREWITH, OF AN ANTIRUST AGENT SELECTED FROM THE GROUP CONSISTING OF (1) DIMERIC ACIDS PRODUCED BY THE CONDENSATION OF UNSATURATED, ALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (2) DIMERIC ACIDS PRODUCED BY THE CONDENSATION OF HYDROXYALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (3) TRIMERIC ACIDS PRODUCED BY THE CONDENSATION OF UNSATURATED, ALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE, (4) TRIMERIC ACIDS PRODUCED BY THE CONDENSATION OF HYDROXYALIPHATIC MONOCARBOXYLIC ACIDS HAVING BETWEEN ABOUT 16 AND ABOUT 18 CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
US2334158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |