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US3188346A Expired / Lapsed US ⏱️ 0.0 years remaining

4-amino-3-nitro methylamino-aniline and process for the preparation thereof

Assignee: L'Oréal SA
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Filing: 1961-10-18
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Granted: 1965-06-08
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Expires: 1981-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Kalopissis Gregoire
  • 👤 Bugaut Raymond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/418; A61Q; A61Q5/00; A61Q5/06; A61Q5/065

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)

US2687431A Cited
US2750326A Cited
US3049393A Cited
US3088978A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-07 1968-12-07 1969-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-07 1972-12-07 1973-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-07 1976-12-07 1977-06-08 $7700.00 Window Closed / Lapsed

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