| US 7,601,262 B1 | ||
| Sub-micron filter | ||
| Frederick Tepper, Sanford, Fla. (US); and Leonid Kaledin, Port Orange, Fla. (US) | ||
| Assigned to Argonide Corporation, Sanford, Fla. (US) | ||
| Filed on Dec. 27, 2004, as Appl. No. 11/23,281. | ||
| Application 11/023281 is a continuation in part of application No. 10/177709, filed on Jun. 21, 2002, granted, now 6,838,005. | ||
| Claims priority of provisional application 60/300184, filed on Jun. 22, 2001. | ||
| Int. Cl. B01D 39/00 (2006.01) | ||
| U.S. Cl. 210—502.1 [55/527; 96/108; 210/503; 210/505; 502/407; 502/415] | 8 Claims |
| 1. A fibrous electropositive sorbent comprising a blended mixture of non-spherical nano alumina particles comprising AlOOH blended with and a second matrix solid, wherein said electropositive sorbent adsorbs at least one electropositive particle from a fluid. |