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US3781418A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for coloring the skin with ypsilon-dialdehydes

Assignee: L'Oréal SA
•
Filing: 1970-10-21
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Granted: 1973-12-25
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Expires: 1990-10-21
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Abstract

Abstract A PROCESS FOR COLORING THE SKING COMPRISING APPLYING TO THE SKIN IN AMOUNTS SUFFICIENT TO DEVELOP A COLORING OF THE SKIN WHICH RESEMBLES THE TAN COLORING OBTAINED BY PROLONGED EXPOSURE TO SUNLIGHT, A COMPOSITION COMPRISING A SOLUTION OF GAMMA-DIALDEHYDE.

Inventors

  • 👤 J Pomot
  • 👤 G Rosenbaum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:18
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-24 1977-06-25 1977-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-24 1981-06-25 1981-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-24 1985-06-25 1985-12-25 $7700.00 Window Closed / Lapsed

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