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Electrostatically charged porous water-impermeable absorbent laminate for protecting work surfaces from contamination

  • US 7,785,699 B1
  • Filed: 09/06/2000
  • Issued: 08/31/2010
  • Est. Priority Date: 09/06/2000
  • Status: Active Grant
First Claim
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1. A protective covering comprising:

  • a water-impermeable electrostatically charged sheet having a top and bottom surface; and

    an absorbent layer having top and bottom surfaces, said bottom surface of said absorbent layer being bonded to said top surface of said electrostatically charged sheet, said absorbent layer being divided into a plurality of cells for containing liquid within the boundaries of said cells, said liquid being prevented from moving between said cells.

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