Biodegradable diaper

  • US 5,185,009 A
  • Filed: 10/28/1991
  • Issued: 02/09/1993
  • Est. Priority Date: 07/10/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A biodegradable diaper comprising:

  • a) an outer sheet having a periphery of biodegradable material able to resist water absorption;

    b) an inner sheet of biodegradable material able to allow passage of water therethrough and attached to the periphery of said outer sheet by a biodegradable adhesive to form an envelope having walls and defining a space therein;

    c) said envelope having a waist portion and leg portions formed therein;

    d) a biodegradable super absorbent core disposed within said envelope comprising a uniform material and substantially occupying all of said space within said envelope;

    e) a water resistant film of biodegradable material having a peripheral edge surface, said film positioned within said core for assisting in fluid distribution into said core, said film edge surface substantially spaced from said envelope walls and extending substantially parallel to said inner and outer sheet of said envelope; and

    f) strips of resilient biodegradable polyurethane polyester foam attached at said waist portion to allow said diaper to gather about a user'"'"'s waist.

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