Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Reexamination Certificate
2008-01-08
2008-01-08
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
C210S660000, C210S916000, C210S902000
Reexamination Certificate
active
10918298
ABSTRACT:
A fuel filter for removing fuel impurities, particularly thiophenes, includes a hollow housing having a filter element therein. The filter element includes a substrate, which may include a nonwoven fiber web, a plurality of particles, or both of these. Where particles are used, the substrate may be homogeneous or may be a mixture of different particles. The substrate may include a sorbent selected from the group consisting of metals, metal oxides, metallic salts, organometallic compounds, catalysts, and oxidizing agents. Optionally, a sulfur-treating reactant may be operatively associated with the substrate to reduce the concentration of thiophenes in fuel passing through the filter.
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International Search Report, PCT/US02/32372, Feb. 20, 2003.
Bause Damiel E.
Johnson Russell
Jones Gordon William
Rohrbach Ronald Paul
Unger Peter D.
Barry Chester T.
Honeywell International , Inc.
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