Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Reexamination Certificate
2002-09-27
2008-09-16
Padmanabhan, Sreeni (Department: 1617)
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
C424S401000, C514S351000, C514S353000, C514S356000
Reexamination Certificate
active
07425319
ABSTRACT:
The present invention is directed to methods of using pro-NAD agents capable of enhancing the dermal and epidermal skin cell NAD content. These pro-NAD agents may be administered topically, orally, or parenterally to enhance DNA repair and other protective responses to DNA damage. The invention further relates to pharmaceutical compositions comprising pro-NAD agents that effectively elevate intracellular NAD content. Finally, the invention relates to the method of using the pro-NAD agents to treat disorders such as sunburn and other skin deterioration that results from DNA damage in skin cells.
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patent: 4683310 (1987-07-01), Dalton et al.
patent: 4775763 (1988-10-01), Dalton et al.
patent: 4847260 (1989-07-01), Abe et al.
patent: 5939082 (1999-08-01), Oblong et al.
Jacobson Elaine L.
Jacobson Myron K.
Fulbright & Jaworski LLP
Padmanabhan Sreeni
Soroush Layla
University of Kentucky Research Foundation
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