Water in oil microemulsion peroxide compositions for use in coloring hair and related methods

Patent 6315989 Issued on November 13, 2001. Estimated Expiration Date:

December 22, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Application

No. 470392 filed on 12/22/1999

US Classes:

424/62, BLEACH FOR LIVE HAIR OR SKIN (E.G., PEROXIDES, ETC.)8/405, Hair dyeing8/406, Oxidation dye424/70.1, LIVE HAIR OR SCALP TREATING COMPOSITIONS (NONTHERAPEUTIC)424/70.19, Two or more designated surfactant containing424/70.21, Amphoteric or zwitterionic surfactant containing424/70.22, Anionic surfactant containing424/70.27, Cationic surfactant containing424/70.31Nonionic surfactant containing

Examiners

Primary: Page, Thurman K.
Assistant: Seidleck, Brian K.

Attorney, Agent or Firm

Blackburn; Julie

International Classes

A61K 007/135
A61K 007/06

Abstract

A water in oil microemulsion peroxide composition for coloring or lightening of hair comprising 1-99% of an aqueous phase in the form of dispersed microdroplets having a droplet size of 100 to 1500 Angstroms, 0.1-75% of a continuous oil phase; and 1-65% of an organic, surface active ingredient capable of interacting with the water phase and the oil phase to cause formation of the dispersed aqueous phase microdroplets, all percentages by weight of the total composition; and a method for coloring or lightening hair using the peroxide composition, and a method for reducing the amount of time necessary to permanently color hair using the peroxide composition.