Ultra-violet absorbing compounds and compositions containing sai

Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations – Aromatic acid or derivative containing

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560 19, A61K 744, C07C10146

Patent

active

045929068

ABSTRACT:
2-Ethylhexyl and 2-octyl p-dimethylaminocinnamates unexpectedly are liquid at room temperature and miscible with liquid paraffin (i.e. mineral oil) unlike related alkyl p-dimethylaminocinnamates such as 1-octyl p-dimethylaminocinnamate. They absorb light in the melanogenic range 320 to 420 nm and are dermatologically acceptable and hence useful as UVA absorbers in sunscreen and cosmetic compositions.

REFERENCES:
patent: 3390051 (1968-06-01), Baker et al.
Yalkowsky, Design of Biopharmaceutical Properties through Prodrugs and Analogs (1977) 392-408.

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