Patent · US Expired

Patch with reduced cold flow

US7115276B1 · kind B1 · utility

1Cited by

6References

9Claims

0Family size

Assignee

Novosis AG · DE

Inventors

Wilfried Fischer · Holzkirchen, DE
Hubert Kaffl · Munich, DE
Petra Huber · Munich, DE
Clifton Zimmermann · Karlsruhe, DE

Key dates

Filing date	Jun 23, 2000
Grant date	Oct 3, 2006
Priority date	—
Expiry date	Jun 23, 2020

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L15/58
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention refers to a flat self-adhering plaster having a multi-layer construction and reduced cold flow, characterized in that the layer of adhesive possesses a core of adhesive being a flowable adhesive and a ring of adhesive being an adhesive having reduced flowability which surrounds the core.

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