Paper or cardboard product

Details Paper or cardboard product Paper or cardboard product

1995-03-09

1998-06-30

Yamnitzky, Marie

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 21, 428 342, 428 363, 428 367, 428342, 428507, 428511, 428514, 428515, 428519, 428521, 428522, 4285375, 162137, B32B 310

Patent

active

057731314

ABSTRACT:
A paper product has a base body with an upper surface and a bottom surface. A primer coating is applied in the form of a primer coating mixture to at least one of the upper and the bottom surfaces of the base body. A cover coating is applied to the primer coating. The primer coating mixture is selected from the group consisting of a first composition comprised of water, amorphous silicon dioxide, aluminum dioxide, polyvinyl alcohol, and a copolymer of butadiene/styrene and acrylonitrile, and a second composition comprised of water, a silicon compound selected from the group consisting of silicic acid and silica gel, polyvinyl alcohol, and a copolymer of butadiene-styrene and acrylonitrile.

REFERENCES:
patent: 3896065 (1975-07-01), Reardon et al.
patent: 4304626 (1981-12-01), Shaw et al.
patent: 4487657 (1984-12-01), Gomez
patent: 5330845 (1994-07-01), Anderson et al.
patent: 5506011 (1996-04-01), Farrell et al.

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