Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations – Aromatic acid or derivative containing
Patent
1985-02-08
1986-06-03
Helfin, Bernard
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
Aromatic acid or derivative containing
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.
Graesser Laboratories, Ltd.
Helfin Bernard
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