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

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US Patent No: 5618520
Photostable filtering cosmetic composition containing a UV-A filter and a filtering polymer of the
benzotriazole silcone type
A photostable, filtering cosmetic composition for protecting human epidermis and hair against UV
rays comprises, in a cosmetically acceptable carrier having at least one fatty phase 0.5 to 4% by
weight of 4-(tert.-butyl) 4'-methoxy dibenzoylmethane and 0.1 to 20% by weight of a filtering
polymer of the benzotriazole silicone type containing at least one unit of formula (1), where R' is a
C.sub.1 -C.sub.30 hydrocarbon group, a C.sub.1 -C.sub.8 halogenated hydrocarbon group or a
trimethylsilyloxy group; a is 1 or 2; X=--A--Y where A is an aliphatic or aromatic bivalent
hydrocarbon radical having at least 2 carbon atoms and optionally containing one or more oxygen
atoms; Y is a 2-(2'-hydroxyphenyl)benzotriazole residue optionally containing one or more C.sub.1
-C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, halogen, alkoxy, carboxy, hydroxy or amino substituents,
the weight ratio of the benzotriazole silicone to the 4-(tert.-butyl) 4'-methoxy dibenzoylmethane
being between 1 and 10.
US Patent No: 5618521
Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of
human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, whether
before, during and/or after exposure to such UV irradiation, particularly solar radiation, comprise a
photoprotecting effective amount of (i) at least one antioxidant, for example tocopherol or
derivative thereof, and (ii) at least one extract of at least one nonphotosynthetic and nonfructifying
filamentous bacteria, for example of the order Beggiatoales, in a cosmetically acceptable vehicle,
diluent or carrier therefor.
US Patent No: 5635163
Screening cosmetic compositions containing a hydrophilic agent comprising at least one sulphonic acid
radical
The invention relates to screening cosmetic compositions containing at least one hydrophilic agent
which screens ultraviolet radiation and contains at least one sulphonic acid radical --SO.sub.3 H
and at least one amino-functional silicone derivative. Application to the protection of skin and hair
against the effects of ultraviolet radiation.
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