Inventors:
Theodore B. Rydell - Schawano WI
Joseph D. Wahlquist - Green Bay WI
Gerald W. Tumanic - Shawano WI
Assignee:
Little Rapids Corporation - Green Bay WI
International Classification:
B01D 3904
B01D 3918
Abstract:
Disposable paper filters suitable for removal of contaminants from fluids such as water or air are disclosed. Specific embodiments include single-ply and multi-ply filters in which metal removal additives and/or halogen and organic contaminant removal additives have been distributed during the manufacturing process. Special manufacturing methods for producing such composite filters are also described.