We have collected information about Transdermal Drug Delivery Patents for you. Follow the links to find out details on Transdermal Drug Delivery Patents.
https://patents.google.com/patent/US4687481A/en
A transdermal drug delivery system useful for the controlled, for example zero order release of one or more drugs to a selected skin area of a user, which system comprises an impervious backing sheet and a face membrane, the backing sheet and membrane secured together to form an intermediate reservoir.Author: Robert B. Royds, John Lim, Joel D. Rosen
https://patents.google.com/patent/US4624665A/en
A transdermal drug delivery system useful for the controlled, for example zero order, release of one or more drugs to a selected skin area of a user, which system comprises an impervious backing sheet and a face membrane, the backing sheet and membrane secured together to form an intermediate reservoir.Author: Elie S. Nuwayser
https://patents.google.com/patent/US5667798A/en
The active ingredient is released into a water retaining matrix, which acts as a reservoir, and transdermal drug penetration is driven by the resulting concentration gradient. The delivery system is enclosed in a patch comprising a composite shell, which acts as an occlusive covering when attached to skin, thus enhancing the hydration of the skin area and fostering absorption of the drug.Author: Robert B. Royds, John Lim, Joel D. Rosen
https://patents.justia.com/patent/20160184246
Dec 29, 2015 · Transdermal delivery systems (adhesive patches) as dosage forms have been the subject of a vast number of patent applications over the last 25 years, yielding many patents but few commercial products in comparison. To those working in the field, the relatively small number of commercial products is not surprising.
https://patents.justia.com/patent/10231938
A transdermal drug delivery system for the topical application of one or more active agents contained in one or more polymeric and/or adhesive carrier layers, proximate to a non-drug containing polymeric backing layer which can control the delivery rate and profile of the transdermal drug delivery system by adjusting the moisture vapor transmission rate of the polymeric backing layer.
https://patents.google.com/patent/US5817332A/en
A controlled release transdermal system for the delivery of at least one therapeutic agent comprises: a reservoir comprising (a) the therapeutic agent in ionized form and (b) a pH adjusting agent which upon uptake of water is converted to a buffer solution and (c) a cyclized polysaccharide selected from a group consisting of cyclodextrin, cyclodextrin derivative and cyclodextrin polymer, the cyclized …Author: Robert B. Royds, John Lim, Joel D. Rosen
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