US3185704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formamide of mono-alkenyl succinimide
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-09-04
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Granted: 1965-05-25
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Donald J Kahn
- 👤 Roger E Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:40
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10M; C10M133/00; C10M133/52; C10M133/56; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/32; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A FORMAMIDE OF 1 TO 2 MAJOR PROPORTIONS OF FORMIC ACID AND 1 MOLAR PROPORTION OF MONO-ALKENYL SUCCINIMIDE WHEREIN SAID ALKENYL GROUP IS UNSUBSTITUTED AND CONTAINS 40 TO 250 CARBON ATOMS AND SAID SUCCINIMIDE IS THE SUCCINIMIDE OF MONO-ALKENYL SUCCINIC ANHYDRIDE AND A POLYAMINE OF THE FORMULA:
Claim 2
Dependent Claim
47 words
A FORMAMIDE OF 1 TO 2 MAJOR PROPORTIONS OF FORMIC ACID AND 1 MOLAR PROPORTION OF MONO-ALKENYL SUCCINIMIDE WHEREIN SAID ALKENYL GROUP IS UNSUBSTITUTED AND CONTAINS 40 TO 250 CARBON ATOMS AND SAID SUCCINIMIDE IS THE SUCCINIMIDE OF MONO-ALKENYL SUCCINIC ANHYDRIDE AND A POLYAMINE OF THE 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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |