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Patent US3282836A successfully refreshed from Google Patents.
US3282836A
Expired / Lapsed
US
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Corrosion resistant liquid hydrocarbons containing mixture of alkyl succinic acid and polyamine salt thereof
Assignee: Shell USA Inc
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Filing: 1963-03-22
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Granted: 1966-11-01
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 James R Miller
- 👤 Howard M Lurton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:22
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/188; C10L1/1881; C10L1/1883; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/232; C10L1/234; C10L1/238; C10L1/2383; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2227/00; C10M2227/08; C10M2227/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A LIQUID HYDROCARBON COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNRT OF A LIQUID HYDROCARBON AND FROM ABOUT 0.001% TO ABOUT 2% BY WEIGHT OF A MIXTURE OF (1) A C6-36 HYDROCARBYL SUCCINIC ACID, SAID HYDROCARBON RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF C6-36 ALKYL AND C6-36 ALKENYL RADICALS, AND (2) A POLYAMINE SALT OF A C6-36 HYDROCARBYL SUCCINIC ACID, THE HYDROCARBYL RADICAL BEING THE SAME AS IN THE FREE ACID COMPOUND, THE POLYAMINE BEING SELECTED FROM THR GROUP CONSISTING OF NTETRAPROPENYL PROPYLENE DIAMINE, N-OCTYL DIETHYLENE TRIAMINE, N-C12-18 ALKENYL PROPYLENE DIAMINE, N-COCOANUT PROPYLENE DIAMINE, 1-AMINOETHYL-2-HEPTADECEBNYL IMIDAZOLINE; THE FREE C6-36 ALKENYL OR ALKYL SUCCINIC ACID CONSTITUTING FROM ABOUT C6-36 ALKENYL TO ABOUT 30% OF THE ADDITIVE MIXTURE IN THE BALANCE, 99% TO 80%, BEING THE POLYAMINE SALT. BALANCE, 99% TO 80%, BEING THE POLYAMINE SALT.
Claim 2
Dependent Claim
134 words
A LIQUID HYDROCARBON COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNRT OF A LIQUID HYDROCARBON AND FROM ABOUT 0.001% TO ABOUT 2% BY WEIGHT OF A MIXTURE OF (1) A C6-36 HYDROCARBYL SUCCINIC ACID, SAID HYDROCARBON RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF C6-36 ALKYL AND C6-36 ALKENYL RADICALS, AND (2) A POLYAMINE SALT OF A C6-36 HYDROCARBYL SUCCINIC ACID, THE HYDROCARBYL RADICAL BEING THE SAME AS IN THE FREE ACID COMPOUND, THE POLYAMINE BEING SELECTED FROM THR GROUP CONSISTING OF NTETRAPROPENYL PROPYLENE DIAMINE, N-OCTYL DIETHYLENE TRIAMINE, N-C12-18 ALKENYL PROPYLENE DIAMINE, N-COCOANUT PROPYLENE DIAMINE, 1-AMINOETHYL-2-HEPTADECEBNYL IMIDAZOLINE; THE FREE C6-36 ALKENYL OR ALKYL SUCCINIC ACID CONSTITUTING FROM ABOUT C6-36 ALKENYL TO ABOUT 30% OF THE ADDITIVE MIXTURE IN THE BALANCE, 99% TO 80%, BEING THE POLYAMINE SALT. BALANCE, 99% TO 80%, BEING THE POLYAMINE SALT.
References Cited (Backward Citations)
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Cited
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US2638450A
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US2779740A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |