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US3694141A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of hair conditioning

Assignee: L'Oréal SA
•
Filing: 1968-08-01
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Granted: 1972-09-26
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Expires: 1988-08-01
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Abstract

Abstract IN WHICH: COSMETIC COMPOSITION COMPRISING, IN A SUITABLE CARRIER, AT LEAST ONE ACTIVE COMPOUND INCLUDING BOTH AT LEAST ONE DISULFIDE FUNCTION AND AT LEAST ONE GROUP RESPONDING TO THE FORMULA: -N(-R)-CH2-O-R'' THE NITROGEN ATOM IN SAID GROUP BEING ATTACHED TO A REMAINDER WHICH IS SUFFICIENTLY ELECTROPHILE TO PREVENT THE IMMEDIATE RELEASE OF FORMOL. R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, A LOWER ALKYL, A HYDROXY-METHYL OR AN ALKOXY METHYL RADICAL; R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, AND A LOWER ALKYL RADICAL;

Inventors

  • 👤 Gregorie Kalopissis
  • 👤 Jean-Louis Abegg
  • 👤 Guiliana Ghilardi
  • 👤 Henri Philippe De Beaulieu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:15
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/39; C07C323/43; C07C323/44; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61Q; A61Q5/00; A61Q5/12

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) 1975-09-26 1976-03-27 1976-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-09-26 1980-03-27 1980-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-09-26 1984-03-27 1984-09-26 $7700.00 Window Closed / Lapsed

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