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US3432479A
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Reaction product of monoamine,polyamine and polymer of a monovinyl monomer and maleic anhydride
Assignee: Sinclair Research Inc
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Filing: 1967-09-18
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Granted: 1969-03-11
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Verdol
- 👤 Donald J Carrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:08
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/16; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C08F2800/00; C08F2800/10; C08F2810/00; C08F2810/20; C10M2205/00; C10M2205/04; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/304; C10M2207/32; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/11; C10M2209/112; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2698316A
Cited
US3048544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |