Filter paper

Details Filter paper Filter paper

1983-10-14

1985-06-18

Lipman, Bernard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428339, B32B 700

Patent

active

045241031

ABSTRACT:
Filter paper having highly advantageous properties is made, by conventional paper-making techniques, from a slurry of polyaramid fibrous material. This has been prepared by the treatment of polyaramid filaments to reduce their diameter by splitting them into fibrilated material.

REFERENCES:
patent: 3992223 (1976-11-01), Gutbier
patent: 4008339 (1977-02-01), Matsuda et al.
patent: 4053052 (1977-10-01), Jasper
patent: 4132528 (1979-01-01), Eikenberry et al.
patent: 4147114 (1979-04-01), Holmes

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