Abstract
Fiber material for adsorbing contaminants is prepared according to the steps of preparing coating a glass or mineral fiber substrate with a resin, cross-linking the resin, heating the coated fiber substrate and resin to carbonize the resin, and exposing the coated fiber substrate to an etchant to activate the coated fiber substrate.
| Original language | English (US) |
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| U.S. patent number | 5834114 |
| Filing date | 5/31/95 |
| State | Published - Nov 10 1998 |