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Patent US3514383A successfully refreshed from Google Patents.
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US3514383A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing prostaglandins and analogs thereof

Assignee: Pharmacia and Upjohn Co
•
Filing: 1967-06-26
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Granted: 1970-05-26
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Expires: 1987-06-26
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Abstract

No abstract record available.

Inventors

  • 👤 Philip F Beal
  • 👤 Gunther S Fonken
  • 👤 John E Pike
  • 👤 William P Schneider

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:51
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/16; C07C17/26; C07C17/263; C07C17/2632; C07C17/35; C07C17/354; C07C253/00; C07C253/14; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/17; C07C405/00; C07C407/00; C07C409/00; C07C409/02; C07C409/04; C07C409/06; C07C45/00; C07C45/004; C07C45/27; C07C45/29; C07C45/292; C07C47/00; C07C47/20; C07C47/21; C07C49/00; C07C49/20; C07C49/203; C07C51/00; C07C51/09; C07C57/00; C07C57/02; C07C57/03; C07C57/12; C07D; C07D317/00; C07D317/02; C07D317/06; C07B; C07B2200/00; C07B2200/09; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y10; Y10S; Y10S204/00; Y10S204/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2732338A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-25 1973-11-24 1974-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-25 1977-11-24 1978-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-25 1981-11-24 1982-05-26 $7700.00 Window Closed / Lapsed

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