Drug – bio-affecting and body treating compositions – Manicure or pedicure compositions
Reexamination Certificate
2006-04-11
2006-04-11
McClendon, Sanza L. (Department: 1711)
Drug, bio-affecting and body treating compositions
Manicure or pedicure compositions
C424S078030, C522S081000, C522S178000, C522S179000, C522S182000, C522S065000, C522S066000, C522S104000
Reexamination Certificate
active
07025954
ABSTRACT:
In the disclosed method for the reshaping (adornment, repair, covering, prosthetic extension, etc.) of essentially rigid, keratinaceous surfaces such as nail plates with a free radical-polymerizable acrylic ester, the free radical initiator contains an encapsulated compound of the formula IIIwherein R1through R4are identical to or different from each other and are hydrogen, a mononuclear carbocyclic aromatic group, a C1-C18aliphatic group, a C1-C18aliphatic radical substituted with a mononuclear carbocyclic aromatic group, a cycloaliphatic group or an aromatic radical having from 6 to 10 ring carbon atoms and up to five aliphatic or oxy- or oxo-aliphatic substituents, with the proviso that at least R3or R4is hydrogen. The compound of formula III, in chemically-curable systems is encapsulated into the polymer matrix and utilized in combination with a metal salt co-catalyst that is mixed with the polymer and, optionally, an organic buffering compound and a crosslinker.
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Connolly Bove Lodge & Hutz
Esstech, Inc.
McClendon Sanza L.
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