Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coated or impregnated natural fiber fabric
Reexamination Certificate
2006-09-29
2009-02-03
Salvatore, Lynda (Department: 1794)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Coated or impregnated natural fiber fabric
C442S149000
Reexamination Certificate
active
07485590
ABSTRACT:
This invention is directed to an improvement in nonwoven products comprised of a nonwoven web of fibers bonded together with polymeric binder comprised of emulsion polymerized units of vinyl acetate, ethylene, and a crosslinking monomer. The polymer is stabilized with a surfactant having a critical micelle concentration of about 0.5 to 3% by weight. The surfactant is employed in the polymerization in an amount less than 1% by weight, based upon the total weight of polymer.
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Boylan John Richard
Jones Ronald Bernal
Rabasco John Joseph
Sagl Dennis
Salvatore Lynda
Wacker Chemical Corporation
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