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US3377334A Expired / Lapsed US ⏱️ 0.0 years remaining

Disproportionation of rosin

Assignee: Kraton Chemical LLC
•
Filing: 1966-09-16
•
Granted: 1968-04-09
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Expires: 1986-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Mcbride Joseph James
  • 👤 Wheelus Charles Glenn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:53
CPC Classifications
C; C09; C09F; C09F1/00; C09F1/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA512304A Cited
GB294526A Cited
US3211794A Cited
US3157517A Cited
US3253042A Cited
US3281473A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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