Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1995-04-19
1999-11-09
Le, Hoa T.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428175, 4283084, 4283171, 428327, 428521, 428523, B32B 518, B32B 310
Patent
active
059810319
ABSTRACT:
The inventive polymeric membrane has the feature that porous agglomerates of at least one powder of hydrophobic thermoplastic material, formed by influence of heat, are fixed onto at least one side of a carrier material or of a mixture of carrier materials by a mechanical anchoring in the carrier material and/or by an adhering onto the carrier material.
Also a method of producing of this polymeric membrane and its use are described.
REFERENCES:
patent: 4684568 (1987-08-01), Lou
patent: 5310590 (1994-05-01), Tochacek et al.
Unold Hansrudolf
Vogt Jurg
Le Hoa T.
Sarna Patent- und Lizenz-AG
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