Porous non-asbestos separator and method of making same

Details Porous non-asbestos separator and method of making same Porous non-asbestos separator and method of making same

2006-09-07

2010-12-14

Bell, Bruce F (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S295000, C204S283000, C204S252000, C427S243000, C427S372200, C427S376200, C427S375000, C427S384000, C427S385500, C162S157200, C162S157500

Reexamination Certificate

active

07850832

ABSTRACT:
The present invention relates to an inert, non-asbestos separator and method of making same, the separator comprising an inorganic/polymer fibrid and agglomeration composite material containing from about 5 weight percent to about 70 weight percent of organic halocarbon polymer fibers together with from about 30 wt percent to about 95 weight percent of a finely divided non-organic particulate, which non-organic particulate is firmly bound in said composite fibrids and agglomerates; a natural gum thickening agent in an amount to provide a viscosity of about 6270 to about 590 cP at 0.22 sec−1; and an inert inorganic particulate powder whereby the inert inorganic particulate remains unbound from the inorganic/polymer fibrid and agglomeration composite, the inorganic particulate powder having a mean particle size of not greater than 1.0 μm and being present in an amount to provide a ratio of polymer fiber composite to unbound inorganic particulate in a range from about 1 to 25.

REFERENCES:
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patent: WO86/01841 (1986-03-01), None
International Search Report; PCT/US2006/-34668.

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