| PATENT CLAIMS |
An open cell, hydrophilic static-dissipative, PU foam article for cleaning under clean room conditions & having a surface resistivity < 10 to 12th power ohms/square.cm, the article having at least one cut surface & having been laundered after the article has been cut so that the article, if tested by being immersed in deionized water, releases < 36 million particles of size > 0.5 micro.m/square.m of apparent surface area of the article including particles resulting from the article having been cut, & < 2.5 ppm of chloride
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