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US5071441A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair treatment and conditioning agents

Assignee: Revlon Consumer Products LLC
•
Filing: 1990-09-06
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Granted: 1991-12-10
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Expires: 2010-09-06
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Abstract

Abstract Mercaptyl-containing quaternary nitrogen compounds, which may contain additional functional moieties such as dye, polysiloxane, or polyoxyalkylenes groups, are useful in the treatment of hair, used in hair-treating compositions, to impart properties such as conditioning, shape, color, sheen, and manageability.

Inventors

  • 👤 Richard Schnetzinger
  • 👤 Joseph Ciaudelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:52
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A45; A45D; A45D7/00; A45D7/04; A61K8/46; A61K8/72; A61K8/84; A61K8/89; A61K8/896; A61K8/899; A61Q; A61Q5/00; A61Q5/04

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 14 words
A hair-treating composition comprising an effective hair-treating amount of a mercapto-containing quaternary nitrogen compound.
Claim 2
Dependent Claim 14 words
A hair-treating composition comprising an effective hair-treating amount of a mercapto-containing quaternary nitrogen compound.
Claim 3
Dependent Claim 16 words
A composition according to claim 1 including an effective catalytic amount of a mercaptyl-disulfide interchange catalyst.

References Cited (Backward Citations)

US2944942A Cited
US3093146A Cited
US3257449A Cited
US3549602A Cited
GB1199776A Cited
US4344763A Cited
US4378345A Cited
US4423032A Cited
US4597962A Cited
US4919924A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-12-09 1995-06-10 1995-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-12-09 1999-06-10 1999-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-12-09 2003-06-10 2003-12-10 $7700.00 Window Closed / Lapsed

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