Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1988-07-14
1989-08-15
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283159, 428480, 428483, 428910, B32B 326
Patent
active
048573965
ABSTRACT:
A film is disclosed, which comprises an at least uniaxially stretched finely cellulated polyester film of a high surface roughness having an apparent specific gravity in the range of 0.4 to 1.3 and an opacifying power of not less than 0.2, and a coating applied to either or both of the opposite surfaces of the polyester film.
The coating applied to the minute-cellular polyester film serves the purpose of improving the adhesive property of the polyester film.
REFERENCES:
patent: 3755499 (1973-08-01), Heijo et al.
Kotani Tomoyuki
Masuda Narihiro
Otonari Satoshi
Sato Yoshinori
Buckley Linda M.
Conlin David G.
Daifoil Company, Ltd.
Eisenstein Ronald I.
Van Balen William J.
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