The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2006
Filed:
Dec. 13, 2001
Mohamed Ali Barakat, 140-65123 Pescara, IT;
Gianluca Brotto, Palermo, IT;
Rainer Link, Bodenheim, DE;
Gianfranco Palumbo, Eschborn, DE;
Mohamed Ali Barakat, 140-65123 Pescara, IT;
Gianluca Brotto, Palermo, IT;
Rainer Link, Bodenheim, DE;
Gianfranco Palumbo, Eschborn, DE;
Other;
Abstract
The present invention relates to face masks to control and improve the quality of inhaled air. Claimed and described is a respiratory face mask comprising a flange and a filter layer, the flange having an inner periphery and an outer periphery and a first and a second width measured perpendicular to the inner periphery between the inner periphery and the outer periphery, characterised in that the first width is greater than the second width. Preferably, such face masks are strapless and rely on a hydrogel adhesive for attachment and sealing. Further claimed and described is an improved cover layer for an adhesive of such a face mask.