Absorbent products and their manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 5, 1991
Grant Date -
N/A
app pub date -
May 19, 1989
filing date -
May 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Film or fibre is made from a polymer of water soluble ethylenically unsaturated monomeric material that includes ionic monomer by extrusion and stretching, and a counterionic lubricant compound is absorbed into the surface of the fibre or film before or during the stretching. The counterionic lubricant compound is also of use for providing a lubricated film on other extruded or comminuted elements of water swellable or water soluble polymeric material.
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