US3013975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust preventive compositions containing heterocyclic ketone condensates of acyclic succinic acids
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-05-26
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Granted: 1961-12-19
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Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Donald D Staker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:01
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C07F9/3205; C07F9/3211; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10L1/18; C10L1/185; C10L1/1852; C10L1/1855; C10L1/232; C10M2207/00; C10M2207/28; C10M2207/287; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/12; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A RUST PREVENTIVE COMPOSITION COMPRISING A MAJOR PROPORTION OF A LIQUID PETROLEUM HYDROCARBON CARRIER AND A MINOR PROPORTION SUFFICIENT TO INHIBIT RUSTING OF A REACTION PRODUCT OBTAINED BY HEATING AT 95-120*C. EQUAL MOLAR PROPORTIONS OF A MEMBER OF THE GROUP CONSISTING OF 2-PYRROLIDINONE, 5-METHYL-2-PYRROLIDINONE, N-METHYLPYRROLIDINONE, 2-PIPERIDONE, 3-METHYL-2-PIPERIDONE, 3ETHYL-2-PIPERIDONE, 3-PROPYL-2-PIPERIDONE, OXINDOLE, DIOXINDOLE AND BUTYROLACTONE WITH A MEMBER OF A GROUP CONSISTING OF ALKENYL SUCCINIC ANHYDRIDES AND ALKENYL SUCCINIC ACIDS, THE ALKENYL RADICAL CONTAINING 8-15 CARBON ATOMS.
Claim 2
Dependent Claim
75 words
A RUST PREVENTIVE COMPOSITION COMPRISING A MAJOR PROPORTION OF A LIQUID PETROLEUM HYDROCARBON CARRIER AND A MINOR PROPORTION SUFFICIENT TO INHIBIT RUSTING OF A REACTION PRODUCT OBTAINED BY HEATING AT 95-120*C. EQUAL MOLAR PROPORTIONS OF A MEMBER OF THE GROUP CONSISTING OF 2-PYRROLIDINONE, 5-METHYL-2-PYRROLIDINONE, N-METHYLPYRROLIDINONE, 2-PIPERIDONE, 3-METHYL-2-PIPERIDONE, 3ETHYL-2-PIPERIDONE, 3-PROPYL-2-PIPERIDONE, OXINDOLE, DIOXINDOLE AND BUTYROLACTONE WITH A MEMBER OF A GROUP CONSISTING OF ALKENYL SUCCINIC ANHYDRIDES AND ALKENYL SUCCINIC ACIDS, THE ALKENYL RADICAL CONTAINING 8-15 CARBON ATOMS.
References Cited (Backward Citations)
US2604451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |