Devices for storing and dispensing compositions

US7374040B2 · kind B2 · utility

Assignees

• 3M INNOVATIVE PROPERTIES COMPANY · US
• 3M ESPE AG · DE

Inventors

• Robert Lee · Lawrenceville, US
• Brian A. Shukla · Woodbury, US
• Robert W. Petrich · Woodbury, US
• Arno Hohmann · Munich, DE
• Marc Peuker · Schorndorf, DE
• John W. Dubbe · Oakdale, US

Key dates

• Filing date: Dec 22, 2004
• Grant date: May 20, 2008
• Expiry date: Apr 30, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1352
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The present invention is a packaging article that includes a first chamber defined by a sealed connection between a first film and a second film, a second chamber defined by a sealed connection between a third film and a fourth film, where the third film at least partially abuts the second film, and a third chamber defined by a sealed connection between the first film and the fourth film.