US3251906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of detergent oil-additive graft copolymers by delayed addition of a lower alkyl acrylate to a partially polymerized long chain alkyl acrylate
Assignee: Rohm and Haas Co
•
Filing: 1962-11-13
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Granted: 1966-05-17
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 La Verne N Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C08; C08F; C08F20/00; C08F20/62; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1812; C08F220/1818; C08F265/00; C08F265/04; C08F265/06; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10L1/18; C10L1/192; C10L1/195; C10M3/00; C10L1/196; C10L1/1963; C10L1/1966; C10L1/198; C10L1/1985; C10L1/22; C10L1/234; C10L1/236; C10L1/2362; C10L1/2364; C10L1/2366; C10L1/24; C10L1/2462; C10L1/2468; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/20; C10M2215/204; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/024; C10M2217/026; C10M2217/028; C10M2217/04; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2221/00; C10M2221/02; C10M2221/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2225/00; C10M2225/02; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
THE PROCESS FOR PREPARING OIL-SOLUBLE COPOLYMERS WHICH COMPRISES FIRST POLYMERIZING UNDER THE INFLUENCE OF A FREE RADICAL POLYMERIZATION INITIATOR AT LEAST ONE ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
26 words
THE PROCESS FOR PREPARING OIL-SOLUBLE COPOLYMERS WHICH COMPRISES FIRST POLYMERIZING UNDER THE INFLUENCE OF A FREE RADICAL POLYMERIZATION INITIATOR AT LEAST ONE ESTER HAVING THE FORMULA
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US2396192A
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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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |