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US3262930A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel 5-nitro-furfurylidene-(2) derivatives and process for producing the same

Assignee: Bayer AG
•
Filing: 1963-11-13
•
Granted: 1966-07-26
•
Expires: 1983-11-13
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Abstract

No abstract record available.

Inventors

  • 👤 Herlinger Heinz
  • 👤 Mayer Karl-Heinrich
  • 👤 Petersen Siegfried
  • 👤 Bock Marianne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:59
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/70; C07D307/71; C07D307/72; C07D307/74; C07D327/00; C07D327/02; C07D327/06; C07D405/00; C07D405/02; C07D405/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US3001992A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-25 1970-01-24 1970-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-25 1974-01-24 1974-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-25 1978-01-24 1978-07-26 $7700.00 Window Closed / Lapsed

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