Patent · US Active

Transdermal therapeutic system with high rate of utilization of active substance and dosing accuracy

US9421174B2 · kind B2 · utility

1Cited by

4References

22Claims

0Family size

Assignee

LTS Lohmann Therapie-Systeme AG · DE

Inventors

Michael Horstmann · Neuwied, DE
Walter Mueller · Andernach, DE

Key dates

Filing date	May 11, 2015
Grant date	Aug 23, 2016
Priority date	—
Expiry date	May 11, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/402
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A transdermal therapeutic system for administering at least one active pharmaceutical ingredient, including a polymer layer which is remote from the skin and is based on polyisobutylenes with a rate of application of at least 80 g/m2, and an adhesive skin-contact layer which is adjacent to the polymer layer remote from the skin and is based on acrylate copolymers with a rate of application of not more than 50 g/m2. The at least one active pharmaceutical ingredient is present in both the layer remote from the skin and the skin-contact layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.