US3585194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formamide-containing hydroxy compounds
Assignee: Rohm and Haas Co
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Filing: 1969-01-17
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Granted: 1971-06-15
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Expires: 1989-01-17
Abstract
Abstract FORMAMIDO-CONTAINING ALKENYLSUCCINATES USEFUL AS DISPERSANTS, CORROSION INHIBITORS AND ANTI-WEAR AGENTS, PARTICULARLY IN LUBRICATING OIL AND FUEL COMPOSITIONS ARE DISCLOSED. THE FORMAMIDE COMPOUNDS ARE PREPARED BY REACTING (1) AN ALKENYLSUCCINIC ANHYDRIDE, AN ALKENYLSUCCINIC ACID OR AN ALKENYLSUCCINAMIC ACID AND (2) AT LEAST ONE FORMAMIDO-CONTAINING HYDROXY COMPOUND OF THE PRESENT INVENTION HAVING THE FORMULA: H(O-A)X-N(-CH=O)-((CH2)Z-CH(-R2)-N(-CH(=O))-)Y-R1, H(O-CH(-R3)-CH2)A-N(-CH(=O))-(CH2-CH(-R3)-O)B-H, OR 1-(H(O-CH(-R3)-CH2)C-),4-(O=CH-)PIPERAZINE WHEREIN A IS ALKYLENE R1, R2 AND R3 ARE HYDROGEN OR HYDROCARBON, A, B, C, X, Y AND Z ARE INTEGERS AND Y MAY BE ZERO.
Inventors
- 👤 Norman A Leister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:33
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10M; C10M133/00; C10M133/52; C10L1/222; C10L1/2222; C10L1/2225; C10L1/232; C10L1/234; C10L1/238; C10L1/2383; C10L1/2387; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/101; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/028; C10M2217/04; C10M2217/044; C10M2217/045; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
Claims Analysis
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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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |