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US3183249A Expired / Lapsed US ⏱️ 0.0 years remaining

Diepoxides of butadiene cyclopentadiene codimers

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-03-05
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Granted: 1965-05-11
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Expires: 1979-03-05
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert K Wiese

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:33
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/45; C07C13/465; C07C13/39; C07C13/42; C07C13/43; C07D; C07D303/00; C07D303/02; C07D303/04; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2537638A Cited
US2543419A Cited
US2752403A Cited
US2785185A Cited
AT187900B Cited
US2776301A Cited
US2786067A Cited
US2882279A Cited
US2927934A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-10 1968-11-09 1969-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-10 1972-11-09 1973-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-10 1976-11-09 1977-05-11 $7700.00 Window Closed / Lapsed

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