Patent · US Active

Transdermal therapeutic system having urea components

US9066887B2 · kind B2 · utility

0Cited by

9References

15Claims

0Family size

Assignee

LTS Lohmann Therapie-Systeme AG · DE

Inventors

Michael Horstmann · Neuwied, DE
Gerd Hoffmann · Bruchköbel, DE
Sandra Wiedersberg · Kalzendorf, DE

Key dates

Filing date	Dec 9, 2008
Grant date	Jun 30, 2015
Priority date	—
Expiry date	May 20, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/26
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a transdermal therapeutic system (TTS) for administering pharmaceutical agents through the skin, comprising a back layer (R) impermeable to the agent and at least one layer (S) comprising the agent, wherein the layer (H) facing the skin comprises urea in solid form, allowing continuous administration of large quantities of agent over a long period of time.

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