Heat-resistant filter

Gas separation – Specific media material

Reexamination Certificate

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Details

C055S526000, C055S527000, C055S528000, C428S299700, C428S208000, C428S921000, C428S181000, C428S220000, C428S208000, C428S034200, C442S103000, C442S358000, C442S402000

Reexamination Certificate

active

10485255

ABSTRACT:
To provide a heat resistant filter of which the reduction of tensile strength and folding endurance is small even when used as a filter material for a filter used at high temperatures, failure of the filter material is difficult even when used at high temperatures, and which is capable of achieving a long life. The heat resistant filter contains: a heat resistant organic fiber base material, and a resin composition which contains an alkaline substance and which adheres to the heat resistant organic fiber base material.

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