Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
1993-05-28
2001-05-29
Siegel, Alan (Department: 1621)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S458000, C514S544000, C514S570000, C514S720000, C514S721000
Reexamination Certificate
active
06239170
ABSTRACT:
The invention relates to the inhibition of hair growth.
Arachidonic acid is released from membrane lipids in response to injury or other irritation. The enzyme 5-lipoxygenase converts arachidonic acid into 5-hydroperoxyercosa-6,8,11,14-tetraenoic acid, which subsequently is converted into a family of compounds known as leukotrienes. The exact biological role of leukotrienes has not yet been determined.
It has now been found that mammalian (including human) hair growth can be inhibited by applying to the skin a composition including an inhibitor of 5-lipoxygenase in an amount effective to reduce hair growth in the applied area.
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Ahluwalia Gurpreet S.
Shander Douglas
Fish & Richardson P.C.
Siegel Alan
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