06923182 is referenced by 57 patents and cites 54 patents.

A filtering face mask that includes a mask body that is adapted to fit over the nose and mouth of a person and a harness that is attached to the mask body. The mask body comprises i) a first shaping layer that has been molded; ii) a second shaping layer that has been molded; iii) a filtration layer that is disposed between the first and second shaping layers; iv) a first adhesive layer that adheres the first shaping layer to the filtration layer; and v) a second adhesive layer that adheres the second shaping layer to the filtration layer.

Title
Crush resistant filtering face mask
Application Number
10/198563
Publication Number
6923182 (B2)
Application Date
July 18, 2002
Publication Date
August 2, 2005
Inventor
Thomas I Insley
Lake Elmo
MN, US
James E Springett
Hudson
WI, US
Seyed Abolhassan Angadjivand
Woodbury
MN, US
Agent
Karl G Hanson
Assignee
3M Innovative Properties Company
MN, US
IPC
A41M 043/00
A62B 007/10
View Original Source