Porous sheet and process for preparation thereof

Details Porous sheet and process for preparation thereof Porous sheet and process for preparation thereof

1980-12-29

1982-09-07

Lesmes, George F.

Surgery

Respiratory method or device

Ozone or ion generation

428325, 428327, 428331, 428323, 156 77, 156229, 428338, A61F 544

Patent

active

043478441

ABSTRACT:
A porous sheet comprising a flexible sheet in which a rigid substance is incorporated, wherein pores are formed in the sheet by breaking the rigid substance.

REFERENCES:
patent: 3597297 (1971-08-01), Buchholtz et al.
patent: 3844865 (1974-10-01), Elton et al.
patent: 3983287 (1976-09-01), Goossen et al.

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