Porous film

Details Porous film Porous film

1987-12-04

1989-04-25

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428286, 4283155, 4283159, B32B 310, B32B 702, B32B 704, B32B 3300

Patent

active

048247189

ABSTRACT:
A disposable article such as a diaper or feminine hygiene product having a rattle-free, liquid impermeable, vapor permeable, microporous, polymeric film having pores defining passages extending therethrough, the passages being partially filled with a rattle-reducing additive material and a method for making same is disclosed.

REFERENCES:
patent: 3044467 (1962-07-01), Campau
patent: 3214501 (1965-10-01), Strauss
patent: 3426754 (1969-02-01), Bierenbaum
patent: 3570491 (1971-03-01), Sneider
patent: 3640829 (1972-02-01), Elton
patent: 3643154 (1972-02-01), Van Riemsdijk
patent: 3844865 (1974-10-01), Elton et al.
patent: 3870593 (1975-03-01), Elton et al.
patent: 3881490 (1975-05-01), Whitehead et al.
patent: 4059114 (1977-11-01), Richards
patent: 4194041 (1980-03-01), Gore et al.
patent: 4341216 (1982-07-01), Obenour
patent: 4539256 (1985-09-01), Shipman
patent: 4609584 (1986-09-01), Cutler et al.
patent: 4626252 (1986-12-01), Nishizawa et al.
patent: 4699733 (1987-10-01), Matsumura et al.

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