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US3586674A Expired / Lapsed US ⏱️ 0.0 years remaining

Organometallic derivatives of 6-lower alkoxy 1-phenazinol 5,10-dioxide

Assignee: F Hoffmann La Roche AG
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Filing: 1969-04-08
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Granted: 1971-06-22
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Expires: 1989-04-08
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Abstract

Abstract COPPER DERIVATIVES OF 6-LOWER ALKOXY-1-PHENAZINOL 5,10DIOXIDE PREPARED BY TREATING A 6-LOWER ALKOXY-1-PHENAZINOL 5,10-DIOXIDE WITH A COPPER SALT POSSESS BROAD SPECTRUM ANTI-MICROBIAL ACTIVITY.

Inventors

  • 👤 Willy Leimgruber
  • 👤 Gian Paolo Maestrone
  • 👤 Milan Mitrovic
  • 👤 Manfred Weigele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:05
CPC Classifications
C; C07; C07D; C07D241/00; C07D241/36; C07D241/50; C07D241/52

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-21 1974-12-21 1975-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-21 1978-12-21 1979-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-21 1982-12-21 1983-06-22 $7700.00 Window Closed / Lapsed

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