US3309316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low corrosivity nitrogen and sulfurcontaining detergent for lubricant oil formulations
Assignee: Standard Oil Co
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Filing: 1964-07-02
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Granted: 1967-03-14
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Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Mcninch
- 👤 Robert E Karll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C10M2205/00; C10M2205/02; C10M2205/026; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
92 words
A MINERAL OIL-SOLUBLE SULFUR CONTAINING ACYLATED AMINE PRODUCT OBTAINED FROM THE ACYLATION REACTION OF 0.5 TO 1.0 MOLE OF A POLYALKYLENE POLYAMINE SELECTED FROM THE CLASS CONTAINING OF POLYETHYLENE POLYAMINES, AND POLYPROPYLENE POLYAMINES HAVING 1 TO 4 OF SAID ALKYLENE GROUPS AND FROM 2 TO 5 NITROGEN PER MOLE OF SULFURIZED ALKENYL SUCCINIC ANHYDRIDE WHOSE ALKENYL GROUP BEFORE SULFURIZATION HAS AT LEAST 50 CARBON ATOMS AND WHOSE SULFUR CONTENT CORRESPONDS TO FROM 0.5 TO 2.0 GRAM ATOM OF SULFUR PER MOLE OF THE ALKENYL SUCCINIC ANHYDRIDE UNDER ACYLATION CONDITIONS FAVORING IMIDE FORMATION.
Claim 2
Dependent Claim
92 words
A MINERAL OIL-SOLUBLE SULFUR CONTAINING ACYLATED AMINE PRODUCT OBTAINED FROM THE ACYLATION REACTION OF 0.5 TO 1.0 MOLE OF A POLYALKYLENE POLYAMINE SELECTED FROM THE CLASS CONTAINING OF POLYETHYLENE POLYAMINES, AND POLYPROPYLENE POLYAMINES HAVING 1 TO 4 OF SAID ALKYLENE GROUPS AND FROM 2 TO 5 NITROGEN PER MOLE OF SULFURIZED ALKENYL SUCCINIC ANHYDRIDE WHOSE ALKENYL GROUP BEFORE SULFURIZATION HAS AT LEAST 50 CARBON ATOMS AND WHOSE SULFUR CONTENT CORRESPONDS TO FROM 0.5 TO 2.0 GRAM ATOM OF SULFUR PER MOLE OF THE ALKENYL SUCCINIC ANHYDRIDE UNDER ACYLATION CONDITIONS FAVORING IMIDE FORMATION.
Claim 3
Dependent Claim
35 words
A LUBRICANT MINERAL OIL COMPOSITION HAVING DISSOLVED THEREIN AS ITS ESSENTIAL DETERGENT-DISPERSANT AND ANTI-COR ROSION AGENTS FROM 1 TO 10 PERCENT BY WEIGHT OF THE TOTAL COMPOSITION A SULFURIZED ACYLATED AMINE PRODUCT OF CLAIM 1.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |