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US3424810A Expired / Lapsed US ⏱️ 0.0 years remaining

Reduction in vinylidene content in an alpha-olefin mixture containing the same

Assignee: Gulf Research and Development Co
•
Filing: 1967-02-08
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Granted: 1969-01-28
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Expires: 1987-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph Charles Suatoni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 12:21
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2425858A Cited
CA502417A Cited

USPTO Annuity & Maintenance Windows

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

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