High temperature filter material

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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55524, 55527, 521 54, 521 55, 521 82, 521 91, 521 92, 521918, 521134, 521137, 521139, 524449, B32B 516, B65B 124, B65B 6302

Patent

active

047132850

ABSTRACT:
A high temperature filter material, comprising a non-woven glass fiber matrix including mica particles, polymer micro-bits and a uniformly distributed binder system, is made by a wet laid procedure, as used in paper-making. A composition comprising the mica particles and polymer micro-bits, used in making the filter material, and a method of preparing the composition are also disclosed.

REFERENCES:
patent: 4200679 (1980-04-01), Klein
patent: 4207378 (1980-06-01), Klein
patent: 4560818 (1987-03-01), Oka et al.
patent: 4576856 (1986-03-01), Kuwajima et al.
patent: 4590123 (1986-05-01), Hashimoto et al.
patent: 4652602 (1987-03-01), Liu

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