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US2479632A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic production of allyl alcohol from propylene oxide

Assignee: Wyandotte Chemicals Corp
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Filing: 1945-04-16
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Granted: 1949-08-23
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Expires: 1965-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 Lester G Lundsted
  • 👤 Edward J Schwoegler
  • 👤 Edward C Jacobs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:45
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1787205A Cited
GB320424A Cited
GB331185A Cited
US1917179A Cited
US2159507A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-08-22 1953-02-21 1953-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-08-22 1957-02-21 1957-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-08-22 1961-02-21 1961-08-23 $7700.00 Window Closed / Lapsed

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