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US3458530A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-purpose polyalkenyl succinic acid derivative

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-05-06
•
Granted: 1969-07-29
•
Expires: 1983-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Joel R Siegel
  • 👤 Beverly A Pawson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:09
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/14; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; C10N2070/00; C10N2070/02; F; F02; F02B; F02B3/00; F02B3/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 9 words
A NOVEL COMPOSITION OF MATTER HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim 9 words
A NOVEL COMPOSITION OF MATTER HAVING THE STRUCTURAL FORMULA:

References Cited (Backward Citations)

GB269840A Cited
US2984654A Cited
US3039860A Cited
US3131150A Cited
US3087936A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-28 1973-01-27 1973-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-28 1977-01-27 1977-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-28 1981-01-27 1981-07-29 $7700.00 Window Closed / Lapsed

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