Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1978-03-15
1978-12-19
Van Balen, W. J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
156 77, 156306, 15209B, 428195, 428255, 428306, 428310, 428327, 428532, B32B 302
Patent
active
041306830
ABSTRACT:
Disclosed is a porous sponge-like material having an improved scrubbing and cleaning ability which comprises a porous cellulose hydrate body having at least one netting attached to at least a portion of the surface of the body. In order to improve cleaning ability, the porous cellulose hydrate body contains a thermoplastic filler material. In the preferred embodiment, moreover, the filler material is comprised of a heat-sealable thermoplastic material and the netting at least partially comprised of a heat-sealable thermoplastic material to enable the facile bonding of the netting to the porous cellulose body by heat-sealing.
REFERENCES:
patent: 2885703 (1959-05-01), Elliott
patent: 3080688 (1963-03-01), Politzer
patent: 3629896 (1971-12-01), Sirnec
patent: 3634183 (1972-01-01), Viola
patent: 3974319 (1976-08-01), Alibeckoff
patent: 4015306 (1977-04-01), Fenster
Kalberger Heinz
Michel Wolfgang
Hoechst Aktiengesellschaft
Van Balen W. J.
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