Filter material and method of making same

Gas separation: apparatus – Solid sorbent apparatus – Plural diverse separating means

Reexamination Certificate

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Details

C096S154000, C055S512000, C055S528000

Reexamination Certificate

active

06878193

ABSTRACT:
Non-shedding light duty fibrous filter material containing activated carbon and/or other sorbtive granules is disclosed having a thickness of ⅛ inch to ⅜ inch and composed entirely of low melt fibers of 4 to 15 denier. Heavy duty filter material, also of a non-shedding clean character, is of ¾ to 1 inch thickness and comprises a mixture of 70% structural fibers and 30% low melt fibers.

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Rando Product Improvement Bulletin, Oct., 1993 for “Rando Webber w/Split-Air Option” Rando Machine Corporation of Macedon, NY 14502.

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