Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1990-06-01
1991-03-26
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283157, 428323, 428331, B32B 326
Patent
active
050028251
ABSTRACT:
Disclosed is a surface porous film which is suited as a base film for printing such as offset printing and for ink-jet recording. The surface porous film of the present invention comprises a plastic base film; and a porous layer formed on at least one of the surfaces of said plastic base film, said porous layer having a peak pore diameter of 0.06-2.0 .mu.m and an undulation index of 0.035-0.3 .mu.m.
REFERENCES:
patent: 4460637 (1984-07-01), Miyamoto et al.
Adachi Kouichi
Mimura Takashi
Tsunashima Kenji
Miller Austin R.
Toray Industries Inc.
Van Balen William J.
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