US3194812A
Expired / Lapsed
US
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High molecular weight alkenyl-n-para amino-phenyl succinimide
Assignee: Lubrizol Corp
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Filing: 1962-08-31
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Granted: 1965-07-13
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 George R Norman
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C10; C10M; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/086; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SUCCINIMIDE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A SUCCINIMIDE HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US3004987A
Cited
US3018250A
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US3018291A
Cited
US3024237A
Cited
US3024195A
Cited
US3017416A
Cited
US3029250A
Cited
US3087936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |