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US3399141A Expired / Lapsed US ⏱️ 0.0 years remaining

Heterocyclic esters of alkenylsuccinic anhydrides

Assignee: Rohm and Haas Co
•
Filing: 1967-10-27
•
Granted: 1968-08-27
•
Expires: 1987-10-27
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Abstract

No abstract record available.

Inventors

  • 👤 David H Clemens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:33
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/58; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/78; C08; C08F; C08F8/00; C08F8/14; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L1/24; C10L1/2462; C10L1/2475; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; 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; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/12; 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; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/063; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/14; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3219666A Cited
US3269946A Cited
US3311558A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-08-27 1972-02-26 1972-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-08-27 1976-02-26 1976-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-08-27 1980-02-26 1980-08-27 $7700.00 Window Closed / Lapsed

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