Patent US2948598A successfully refreshed from Google Patents.
US2948598A
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Anti-rust compositions
Assignee: Standard Oil Co
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Filing: 1956-10-17
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Granted: 1960-08-09
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Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 Allen E Brehm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:58
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C10L1/18; C10L1/188; C10L1/1881; C10L1/1883; C10L1/22; C10L1/222; C10L1/2222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A NORMALLY LIQUID NON-LUBRICATING MINERAL OIL FRACTION, FROM ABOUT 0.0001% TO ABOUT 1.0% OF A POLYMERIC HIGH MOLECULAR WEIGHT UNSATURATED CARBOXYLIC ACID HAVING A MOLECULAR WEIGHT ABOVE ABOUT 300 SELECTED FROM THE GROUP CONSISTING OF DILINOLEIC ACID AND POLYMERIZED CASTOR OIL FATTY ACIDS CONSISTING ESSENTIALLY OF FROM ABOUT 45% TO ABOUT 55% OF A MONOMER AND DIMER FRACTION HAVING A MOLECULAR WEIGHT OF FROM ABOUT 300 TO ABOUT 600 AND FROM ABOUT 45% TO ABOUT 55% OF A TRIMER AND HIGHER POLYMER FRACTION HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 600, AND FROM ABOUT 0.0001% TO ABOUT 1.0% OF A PERFLUOROALKLY SURFACE ACTIVE AGENT HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A NORMALLY LIQUID NON-LUBRICATING MINERAL OIL FRACTION, FROM ABOUT 0.0001% TO ABOUT 1.0% OF A POLYMERIC HIGH MOLECULAR WEIGHT UNSATURATED CARBOXYLIC ACID HAVING A MOLECULAR WEIGHT ABOVE ABOUT 300 SELECTED FROM THE GROUP CONSISTING OF DILINOLEIC ACID AND POLYMERIZED CASTOR OIL FATTY ACIDS CONSISTING ESSENTIALLY OF FROM ABOUT 45% TO ABOUT 55% OF A MONOMER AND DIMER FRACTION HAVING A MOLECULAR WEIGHT OF FROM ABOUT 300 TO ABOUT 600 AND FROM ABOUT 45% TO ABOUT 55% OF A TRIMER AND HIGHER POLYMER FRACTION HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 600, AND FROM ABOUT 0.0001% TO ABOUT 1.0% OF A PERFLUOROALKLY SURFACE ACTIVE AGENT HAVING THE GENERAL FORMULA
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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |