Patent · US Active

Transdermal patch

US9656441B2 · kind B2 · utility

9Cited by

0References

17Claims

0Family size

Assignee

ALFRED E. TIEFENBACHER (GMBH & CO. KG) · DE

Inventors

John LeDonne · Ridgewood, US
Claudia Meyer · Goldkronach, DE

Key dates

Filing date	Jan 8, 2015
Grant date	May 23, 2017
Priority date	—
Expiry date	Jan 8, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2571/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A transdermal patch includes a protective layer, a matrix layer, an adhesive layer, and a cover layer. The cover layer is at least partially bi-elastic, and the adhesive layer comprises an acrylic copolymer having hydroxyl functional groups. The matrix layer comprises a physiologically effective amount of buprenorphine or pharmaceutically acceptable salts thereof.

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