HAIR STYLING PATENTS FOR 2006 - Patent and Intellectual ...

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US Patent No: 5925035
Hair removal method
A process for the permanent destruction of unwanted human hair. Hair duct in a section of skin in
which the unwanted hair is growing is contaminated with a contaminant having a very large
number of small particles having a high absorption at at least one frequency band of light. The skin
section is then illuminated with a series of short pulses of light at the frequency band of high
absorption, the first of the short pulses having sufficient energy to cause a large number of the
particles to explode into two or more fragments so as to spread said contaminant in the hair ducts
and subsequent pulses having sufficient energy to cause a large number of the fragments to further
explode into additional fragments to further spread the contaminant in the hair duct. The explosions
and energy is transferred to and from the particles and fragments causing damage to skin tissue
surrounding said hair ducts so as to cause death to the hairs growing in the ducts. In a preferred
embodiment the particles are 1 micron graphite particles and each section is illuminated with about
5 laser pulses at 1.06 micron wavelength produced by a Nd:YAG laser, each pulse having an
energy density of about 3 Joules/cm.sup.2 and a pulse width of about 10 nano seconds.
US Patent No: 5925364
Cosmetic or dermatological composition comprising an oil-in-water emulsion comprising oily globules
with a lamellar liquid crystal coating
The present invention relates to a cosmetic or dermatological composition comprising an emulsion
of oil-in-water type formed of oily globules which are each provided with a lamellar liquid crystal
coating and are dispersed in an aqueous phase. Each oily globule containing at least one lipophilic
compound which is cosmetically or dermatologically active is individually coated with a
monolamellar or aligolamellar layer obtained from at least one lipophilic surface-active agent, from
at least one hydrophilic surface-active agent and from at least one ionic amphiphilic lipid imparting
to the emulsion a pH ranging from 5.5 to 7.5, the coated oily globules having a mean diameter of
less than 500 nanometers.
US Patent No: 5928630
Benzalmalonate/phenylcyanoacrylate-substituted s-triazine compounds and photoprotective/cosmetic
compositions comprised thereof
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