×

Highly absorbent open cell polymer foam and food package comprised thereof

  • US 7,175,021 B2
  • Filed: 12/23/2003
  • Issued: 02/13/2007
  • Est. Priority Date: 11/20/2002
  • Status: Active Grant
First Claim
Patent Images

1. A highly absorptive open cell polymer foam, wherein:

  • (a) said polymer foam is of between 50 to about 90 percent open cells;

    (b) said polymer foam has an average cell diameter of between about 1 and about 10 thousandths of an inch;

    (c) said polymer foam has a ratio of cell size to pore size of about 1 to about 10;

    (d) said polymer foam has a density of between 1 and about 20 pounds per cubic foot; and

    (e) said polymer foam has a contact angle when placed with water of about 0 to 70 degrees.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×