Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1987-10-26
1989-07-11
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514305, 514356, 514418, 514652, A61K 3140, A61K 3140, A61K 3144, A61K 31135
Patent
active
048472603
ABSTRACT:
A composition for percutaneous administration containing a nicotinic ester represented by formula (I) ##STR1## or an isonicotinic ester represented by formula (II) ##STR2## wherein R and R' each represents an alkyl group having 5 or more carbon atoms,
with or without a specific polar compound. The composition improves percutaneous absorption of an active ingredient.
REFERENCES:
patent: 2431558 (1947-12-01), Huber
Chem. Abst., vol. 66-103779c (1967) vol. 82-68706h (1975).
Abe Yoko
Hori Mitsuhiko
Satoh Susumu
Yamanaka Naoko
Friedman Stanley J.
Nitto Denko Corporation
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