The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 1989
Filed:
Jan. 12, 1987
Vithal J Rajadhyaksha, Mission Viejo, CA (US);
Other;
Abstract
A method and compositions for topically administering physiologically active agents through the skin and mucous membranes of humans and animals in a transdermal device or formulation for systemic use or to the skin of humans and animals for localized use comprising applying to such skin or membrane a mixture of said physiologically active agent and a non-toxic, effective penetrating amount of penetration enhancing compound having the structural formula I: ##STR1## wherein: R is a saturated or unsaturated hydrocarbon group with from 5 to 19 carbon atoms; R' and R' are hydrogen, lower alkyl, trifluoromethyl, lower hydroxyalkyl or lower alkyl ester of lower hydroxyalkyl, with the proviso that both R' and R' are not lower hydroxyalkyl; X is O or NR.sub.1 ; R.sub.1 being hydrogen, lower alkyl, lower alkenyl, lower hydroxyalkyl or lower alkyl ester of lower hydroxyalkyl are disclosed.